Academic literature on the topic 'Gluteal muscles'
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Journal articles on the topic "Gluteal muscles"
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Diachkova, G. V., Yu Zeynalov, M. A. Korabel’nikov, K. A. Diachkov, T. A. Larionova, and I. V. Sutyagin. "Multislice Computed Tomography in Diagnosing Changes in the Gluteal Muscles of Patients with Scoliosis at Different Ages and with Different Magnitudes of Deformation Before Treatment." Journal of radiology and nuclear medicine 101, no. 3 (June 30, 2020): 147–54. http://dx.doi.org/10.20862/0042-4676-2020-101-3-147-154.
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Objective. To study the gluteal muscles in patients with scoliosis of various etiologies using multislice computed tomography (MSCT).Material and methods. MSCT was first used to study the gluteal muscles of 27 patients with idiopathic scoliosis. The patients were examined to study the vertebral column in order to determine a method and tactics for scoliosis treatment. The muscles were additionally examined using workstations and programs for MSCT data processing. In a control group of 18 patients with no clinical manifestations of spinal and hip joint abnormalities or those detected on CT, their gluteal muscles were examined due to their pelvic organ diseases.Results. Patients younger than 18 years of age who had spinal deformations of not more than 60 degrees had muscle changes as moderate hypotrophy, increased density, especially that of the gluteus medius muscle to 62.01 ± 7.20 HU. In patients over 18 years of age, the muscle density decreased at any magnitude of deformation and was the smaller the older patients were. In patients with spinal deformation greater than 90 degrees, the density of the gluteus maximus muscle on the convex side was significantly different from that on the concave side and was less on the concave side (p <0.05) than in those with a deformation of 60–90 degrees.Conclusion. The results showed that in patients with scoliosis, the gluteal muscles were affected not only by the magnitude of deformation, but also by age. In patients over 18 years of age, muscle changes with equal magnitudes of deformation were more pronounced and were manifested by hypotrophy, atrophy, and fatty degeneration.
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Lepley, Adam S., Allison M. Strouse, Hayley M. Ericksen, Kate R. Pfile, Phillip A. Gribble, and Brian G. Pietrosimone. "Relationship Between Gluteal Muscle Strength, Corticospinal Excitability, and Jump-Landing Biomechanics in Healthy Women." Journal of Sport Rehabilitation 22, no. 4 (November 2013): 239–47. http://dx.doi.org/10.1123/jsr.22.4.239.
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Context:Components of gluteal neuromuscular function, such as strength and corticospinal excitability, could potentially influence alterations in lower extremity biomechanics during jump landing.Objective:To determine the relationship between gluteal muscle strength, gluteal corticospinal excitability, and jump-landing biomechanics in healthy women.Setting:University laboratory.Design:Descriptive laboratory study.Participants:37 healthy women (21.08 ± 2.15 y, 164.8 ± 5.9 cm, 65.4 ± 12.0 kg).Interventions:Bilateral gluteal strength was assessed through maximal voluntary isometric contractions (MVIC) using an isokinetic dynamometer. Strength was tested in the open chain in prone and side-lying positions for the gluteus maximus and gluteus medius muscles, respectively. Transcranial magnetic stimulation was used to elicit measures of corticospinal excitability. Participants then performed 3 trials of jump landing from a 30-cm box to a distance of 50% of their height, with an immediate rebound to a maximal vertical jump. Each jump-landing trial was video recorded (2-D) and later scored for errors.Main Outcome Measures:MVICs normalized to body mass were used to assess strength in the gluteal muscles of the dominant and nondominant limbs. Corticospinal excitability was assessed by means of active motor threshold (AMT) and motor-evoked potentials (MEP) elicited at 120% of AMT. The Landing Error Scoring System (LESS) was used to evaluate jump-landing biomechanics.Results:A moderate, positive correlation was found between dominant gluteus maximus MEP and LESS scores (r = .562, P = .029). No other significant correlations were observed for MVIC, AMT, or MEP for the gluteus maximus and gluteus medius, regardless of limb.Conclusions:The findings suggest a moderate relationship between dominant gluteus maximus corticospinal excitability and a clinical measure of jump-landing biomechanics. Further research is required to substantiate the findings and expand our understanding of the central nervous system’s role in athletic movement.
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DeJong, Alexandra F., L. Colby Mangum, and Jay Hertel. "Ultrasound Imaging of the Gluteal Muscles During the Y-Balance Test in Individuals With or Without Chronic Ankle Instability." Journal of Athletic Training 55, no. 1 (January 1, 2020): 49–57. http://dx.doi.org/10.4085/1062-6050-363-18.
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Context Impairments in dynamic postural control and gluteal muscle activation have been associated with the development of symptoms related to long-term injury, which are characteristic of chronic ankle instability (CAI). Ultrasound imaging (USI) provides a visual means to explore muscle thickness throughout movement; however, USI functional-activation ratios (FARs) of the gluteal muscles during dynamic balance exercises have not been investigated. Objective To determine differences in gluteus maximus and gluteus medius FARs using USI, Y-Balance Test (YBT) performance, and lower extremity kinematics in individuals with or without CAI. Design Cross-sectional study. Setting University laboratory. Patients or Other Participants Twenty adults with CAI (10 men, 10 women; age = 21.70 ± 2.32 years, height = 172.74 ± 11.28 cm, mass = 74.26 ± 15.24 kg) and 20 adults without CAI (10 men, 10 women; age = 21.20 ± 2.79 years, height = 173.18 ± 15.16 cm, mass = 70.89 ± 12.18 kg). Intervention(s) Unilateral static ultrasound images of the gluteal muscles during quiet stance and to the point of maximum YBT reach directions were obtained over 3 trials. Hip, knee, and ankle sagittal-plane kinematics were collected with motion-capture software. Main Outcome Measure(s) Gluteal thickness was normalized to quiet stance to yield FARs for each muscle in each YBT direction. We averaged normalized reach distances and obtained average peak kinematics. Independent t tests, mean differences, and Cohen d effect sizes were calculated to determine group differences for all outcome measures. Results The CAI group had anterior-reach deficits compared with the control group (mean difference = 4.37%, Cohen d = 0.77, P = .02). The CAI group demonstrated greater anterior gluteus maximus FARs than the control group (mean difference = 0.08, Cohen d = 0.57, P = .05). Conclusions The CAI group demonstrated YBT reach deficits and alterations in proximal muscle activation. Increased reliance on the gluteus maximus during dynamic conditions may contribute to distal joint dysfunction in this population.
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Kumar, Shalini, Priyanka Rana, and Shayama Kumari Razdan. "Variations in the gluteal region and its clinical significance – A cadaveric study." Indian Journal of Clinical Anatomy and Physiology 7, no. 4 (January 15, 2021): 346–49. http://dx.doi.org/10.18231/j.ijcap.2020.073.
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Anatomical structures involving muscles and nerves in the gluteal region are important as any variations of Sciatic nerve (SN) and its surrounding muscles like piriformis muscle (PM) can lead to entrapment or compression of this nerve causing sciatica and piriformis syndrome. To find out variations in the gluteal region related to piriformis muscle and the nerves surrounding it. The study was done on 20 embalmed cadavers (total 40 gluteal regions) during routine cadaveric dissection. The anatomical relations of the piriformis and surrounding nerves i.e. sciatic nerve, its divisions and gluteal nerves were studied. The dissection was done on 40 gluteal regions. In 36 gluteal regions (90%) the sciatic nerve emerged below the piriformis as a single trunk. While in 4 gluteal regions (10%) there was a higher division of sciatic nerve. In one cadaver we observed an accessory piriformis muscle just inferior to the main piriformis muscle. The sciatic nerve was also dividing higher up into common peroneal nerve and tibial nerve in the gluteal region. The common peroneal nerve (CPN) was observed emerging between the main and the accessory piriformis muscle. Along with it the inferior gluteal nerves were also seen traversing between the main and the accessory piriformis muscle.Knowledge of anatomical variations in the gluteal region is important to explain the myalgia and neuropathies in this region. This knowledge is also important in performing hip surgeries and giving intramuscular injections in the gluteal region.
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Pavlova, V., R. Paskaleva, and V. Ivanova. "EFFECT OF THE PHYSICAL ACTIVITY OF PRESCHOOL CHILDREN ON THE STRENGTH ENDURANCE OF ABDOMINAL, TRUNK AND GLUTEAL MUSCLES." Trakia Journal of Sciences 18, Suppl.1 (2020): 180–86. http://dx.doi.org/10.15547/tjs.2020.s.01.033.
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PURPOSE. The objective of this study is to investigate the static strength endurance of abdominal, trunk and gluteal muscles both in physically active and physically inactive overweight children. MATERIAL AND METHODS. The object of study are 104 children aged 5-6 years in the period 2017-2018 on the territory of the town of Stara Zagora. To investigate the motor activity of children the survey method was used. To determine efficiency of trunk, abdominal and gluteal muscles modified Kraus-Weber test was used according to V. Zhelev, L. Venova. RESULTS. Weaker abdominal and trunk muscles were found in physically inactive children with no statistically significant differences (Р>0.05) between physically active and physically inactive ones. However, the results show the presence of statistically significant differences (P=0.01) of the mean values for the static strength endurance of gluteal muscles in physically active children 13,9±8,6 sec. and physically inactive children 10,3±9,4 sec. with the latter having weaker gluteal muscles, respectively. CONCLUSIONS. Further studies are needed to establish the relationship between the increased body mass of children and the strength endurance of abdominal, trunk and gluteal muscles of physically active and physically inactive children as an indicator counteracting total muscle hypotonia.
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Oliver, Gretchen D., Audrey Stone, and Jessica Washington. "Hamstring and Gluteal Muscle Activation During the Assessment of Dynamic Movements." International Journal of Athletic Therapy and Training 21, no. 4 (July 2016): 30–33. http://dx.doi.org/10.1123/ijatt.2015-0050.
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Recently, sports medicine professionals have shown interest in using dynamic movement assessments to help identify biomechanical risk factors for musculoskeletal injury. Thus the purpose of this study was to propose two movements (single leg step down and single leg lateral hop) that could predict injury and determine if these proposed movements elicited muscle activation of the hamstrings and gluteals. Surface electromyography was employed and muscle activations of the hamstrings and gluteus medius muscles were classified as strong during both the single leg step down (SLSD) and single leg lateral hop (SLLH). Both the hamstrings and gluteus medius muscles are associated with musculoskeletal injury. The SLSD and SLLH cause significantly high muscle activation of both these muscle groups and should be considered for use in dynamic movement assessments.
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Lin, Cindy Y., Liang-Ching Tsai, Joel Press, Yupeng Ren, Sun G. Chung, and Li-Qun Zhang. "Lower-Limb Muscle-Activation Patterns During Off-Axis Elliptical Compared With Conventional Gluteal-Muscle-Strengthening Exercises." Journal of Sport Rehabilitation 25, no. 2 (May 2016): 164–72. http://dx.doi.org/10.1123/jsr.2014-0307.
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Context:Gluteal-muscle strength has been identified as an important component of injury prevention and rehabilitation in several common knee injuries. However, many conventionally prescribed gluteal-strengthening exercises are not performed during dynamic weight-bearing activities, which is when most injuries occur.Objectives:To compare lower-limb muscle-activation patterns between conventional gluteal-strengthening exercises and off-axis elliptical exercises with motorized foot-plate perturbations designed to activate gluteal muscles during dynamic exercise.Evidence Acquisition:Twelve healthy volunteers (26.1 ± 4.7 y) participated in the study. They performed 3 conventional exercises (single-leg squat, forward lunge, and clamshell) and 3 elliptical exercises (regular, while resisting an adduction force, and while resisting an internal-rotation torque). Gluteus medius (GMed) and maximus (GMax), quadriceps, hamstrings, and gastrocnemius muscle activations during each exercise were recorded using surface electromyography (EMG) and normalized to maximal voluntary isometric contraction (MVIC).Evidence Synthesis:Normalized GMed EMG was the highest during the adduction-resistance elliptical exercise (22.4% ± 14.8% MVIC), significantly greater than forward lunge (8.2% ± 3.8% MVIC) and regular elliptical (6.4% ± 2.5% MVIC) and similar to clamshell (19.1% ± 8.8% MVIC) and single-leg squat (18.4% ± 7.9% MVIC). Normalized GMax EMG during adduction-resistance (11.1% ± 7.6% MVIC) and internal-rotation-resistance elliptical (7.4% ± 3.8% MVIC) was significantly greater than regular elliptical (4.4% ± 2.4% MVIC) and was similar to conventional exercises. The single-leg squat required more muscle activation from the quadriceps and gastrocnemius than the elliptical exercises.Conclusions:Off-axis elliptical exercise while resisting an adduction force or internal-rotation torque activates gluteal muscles dynamically while avoiding excessive quadriceps activation during a functional weight-bearing activity compared with conventional gluteal-strengthening exercises.
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Soares, Nayane Peixoto, Vanessa de Souza Vieira, Dayane Kelly S. Pereira, Fabiano Campos Lima, Eugênio Gonçalves Araújo, and Kleber Fernando Pereira. "Comparative anatomy of the gluteal muscles of Sapajus libidinosus 1." Pesquisa Veterinária Brasileira 36, no. 11 (November 2016): 1127–31. http://dx.doi.org/10.1590/s0100-736x2016001100012.
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ABSTRACT: New World primates Sapajus sp. unexpectedly display cognitive aspects, tool use, social behavior, memory and anatomical aspects similar to Old World primates, such as chimpanzees and baboons. Convergent evolutionary aspects must have occurred between Sapajus and Old World primates and should be verified not only in terms of behavior analysis, but also of anatomical structure. The pelvic region can provide data for evolutionary verification trends, since taking standing position is one of the characteristics associated to the use of tools by early humans and pongids. We used eight specimens of Sapajus libidinosus to describe the deep muscular structure of the pelvis. Unlike humans, the gluteus medius muscle in S. libidinosus is completely covered by the gluteus maximus and elongated as compared to humans and chimpanzees, putatively by the elongated pelvis of S. libidinosus. Considering origin and insertion, the gluteus maximus muscle resembles more its counterpart in baboons than in humans and chimpanzees, since this muscle in baboons is associated to semibiped posture and to the tail. Gluteus minimum, piriformis, superior gemellus, internal shutter, gemellus and lower square muscles are positioned in this order in relation to the cranial-caudal axis, with all of its tendons converging for a common insertion in the greater trochanter. The muscles of the gluteal region of S. libidinosus are similar to the baboon, especially regarding the gluteus maximus, which points to the evolutionary kinship of these animals.
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Chyndyn-ool, E. S., V. V. Pavlov, and A. G. Samokhin. "Extension-abduction contracture of the hip joint as a consequence of gluteal fibrosis." Genij Ortopedii 27, no. 5 (October 2021): 658–68. http://dx.doi.org/10.18019/1028-4427-2021-27-5-658-668.
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Abstract. Introduction The disease that is manifested by primarily induced fibrotic changes in the gluteal muscles resulting in hip contractures and, in particular, in extension-abduction contracture of the hip joints has been known in the English literature as the “gluteal muscle contracture” and “gluteal fibrosis”. The world literature on the subject covers this pathology mostly in pediatric and adolescent patients, whereas this disease has not been sufficiently discussed in the adult patients, even in foreign studies. Therefore, diagnostic methods, methods of examination and treatment of adult patients have not been systematized and this nosology presents certain clinical and diagnostic difficulties for many domestic orthopedists. Materials and methods We searched the PubMed and eLibrary systems for studies on the topic and used combinations of key words “gluteus muscle contracture”, “gluteal fibrosis”, “gluteus maximus contracture”, “abduction contracture of the hip”, ”extension-abduction contracture of the hip”, “aplasia of gluteal muscles” published from October 1974 to February 2020 and found a total of 106 results. The first publication coincides with the date of the initial search period. The criteria for including studies in the analysis were a discussion of the issues of etiology and pathogenesis, epidemiology, diagnostic criteria, clinical presentation, and approaches to the treatment of this pathology. We excluded articles related to the installation of gluteal implants and other pathology of the gluteal region, so the number of articles decreased to 67, what means little investigation of this problem. Results Our analysis showed that out of 67 articles, only 9 articles were related to issues of etiology and pathogenesis, five articles dealt with epidemiology, 15 dealt with diagnostic criteria, treatment options were described in 12 articles, and the majority of publications focused on the results of surgical treatment of clinical samples including 1-2 to 1280 cases. In the context of the 50-year-old depth of the literature search, the analysis indicates the fragmentation of the material devoted to the gluteal muscle fibrosis published over this period of time, which requires the systematization and generalization of the literature data accumulated to date. Conclusion Gluteal fibrosis is a rare independent disease, which is prevalent among certain ethnic groups. The extension-abduction contracture of the hip joint develops due to gluteal fibrosis, the clinical picture of which has been very well documented and has specific radiological signs. Surgical treatment methods vary, from open to endoscopic treatments and minimally invasive techniques. Since the main group of patients described in the literature is children and adolescents and the surgical methods used are discussed for these age groups, treatment methods and their efficacy for adult patients have been little reported. Therefore solution making is difficult for patients older than 18 years. It primarily refers to providing specialized orthopedic care in places where ethnic groups with this pathology reside.
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Senos, R., and H. Benedicto. "Gluteal nerves in Crab-eating fox." Journal of Morphological Sciences 31, no. 04 (October 2014): 233–35. http://dx.doi.org/10.4322/jms.078314.
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Abstract Introduction: The Crab-eating fox is a medium-sized South American canid. Although there are several studies regarding this species, especially in epidemiology and parasitology studies, only few data regarding the morphology has been reported. The aim of our study was to describe the gluteal nerves of the Crab-eating fox and compare them with the domestic dogs for homology concerns and surgical application. Materials and Methods: We used four pelvic limbs of Crab-eating foxes fixed with 10% formalin and injected with red neoprene latex. Muscles, arteries and nerves were anatomically dissected. Results: The Cranial gluteal nerve supplied the Middle gluteal, Deep gluteal and Tensor Fasciae Latae muscles, while the Caudal gluteal nerve supplied the Middle Gluteal, Superficial Gluteal, Pirirformis, Gemilli and Coccygeus muscles. Conclusions: Our results presented a variable relation between muscles and nerve supplies between the Crab-eating fox and the domestic dogs. The indings also suggested morphological differentiation in lumbosacral plexus during canids species evolution. Finally, for surgical approaches to hip joint and pelvis, the domestic dog can be used as model for the Crab-eating fox.
Dissertations / Theses on the topic "Gluteal muscles"
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Sole, Gisela, and n/a. "Neuromuscular control of thigh and gluteal muscles following hamstring injuries." University of Otago. School of Physiotherapy, 2008. http://adt.otago.ac.nz./public/adt-NZDU20081103.100628.
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Although traditional prevention and management strategies for hamstring injuries have focussed on optimising muscle strength, flexibility and endurance, incidence and/or recurrence rates of these injuries remains high. A theoretical framework was developed considering additional factors that increase the stabilising demand of the hamstrings. These factors included loss of related stability at the knee and lumbopelvic regions and extrinsic factors during functional and sporting activities. The aims of this research were to determine whether electromyographic (EMG) derived hamstrings, quadriceps and gluteal muscle activation patterns as well as isokinetic torque generation patterns could differentiate athletes who had incurred a hamstring injury from uninjured control athletes. It was hypothesised that the EMG activity of the injured participants would be decreased compared to uninjured control participants during maximal activities, but increased during weight bearing activities.
The research included the identification of laboratory-based tasks relevant to the function of the hamstring muscles; test-retest reliability of EMG variables recorded during these tasks; and a comparative cross-sectional study of hamstring-injured (hamstring group, HG) and control athletes (control group, CG). Electromyographic activation patterns were determined during assessment of concentric and eccentric isokinetic strength of the thigh muscles, during transition from double- to single-leg stance, and forward lunging.
Isokinetic and EMG onset and amplitude variables were compared both within- and between-groups. Despite no significant differences for peak torque, the HG injured limb generated lower average eccentric flexor torque towards the outer range of motion in comparison to the HG uninjured limb (P = 0.034) and the CG bilateral average (P = 0.025). Furthermore, the EMG root mean square (RMS) decrease from the start to the end range of the eccentric flexor contraction was greater for the HG injured limb hamstrings than the CG bilateral average.
During the transition from double- to single-leg stance, the EMG onsets of the HG injured limb (biceps femoris [BF] P < 0.001, medial hamstrings [MH] P = 0.001), and the HG uninjured limb (BF P = 0.023, MH P = 0.011) were earlier in comparison to the CG bilateral average. The transition normalised EMG RMS was significantly higher for the HG injured side BF (P = 0.032), MH (P = 0.039) and vastus lateralis (VL, P = 0.037) in comparison to the CG bilateral average. During the forward lunge, no significant differences were observed within- and between-groups for the normalised EMG amplitude prior to and following initial foot contact.
These results suggest that during maximal isokinetic eccentric flexor contractions, the average torque and EMG activity is decreased towards the lengthened position of the hamstring-injured limb. This may be due to structural changes or neurophysiological inhibitory mechanisms. During the static weight bearing task an earlier onset of the HG hamstring muscles was evident in comparison to controls. The hamstrings and the VL of the injured limbs were activated at greater normalised amplitude. The increased muscle activation in the hamstring-injured limbs during the support phase may indicate a greater demand towards stability of the kinetic chain or changes in proprioceptive function. Future research should consider the mechanisms and clinical implications underlying a loss of eccentric flexor torque towards the outer range of contraction, and investigate why increased activation of thigh muscles occurs during the static weight bearing task in hamstring-injured athletes.
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Neamatallah, Z. A. "Do the gluteal muscles influence dynamic knee valgus when single-leg landing?" Thesis, University of Salford, 2018. http://usir.salford.ac.uk/44940/.
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Background: The presence of dynamic knee valgus on landing has been found to be a significant risk factor in the development non-contact anterior cruciate ligament ACL injury. Gluteal muscles especially gluteus maximus and medius are believed to have a role in controlling hip motion that is associated with dynamic knee valgus. Landing onto one leg is a common scenario of ACL injury mechanism and would appear to require considerable Gluteal muscle activity to control the forces if the relationship were true. Aim: the aim of the study was to investigate the relationship between the Gluteal muscles (strength and EMG activity) and the degree of dynamic knee valgus during Single Leg Squat (SLS) and multi-directional single leg landing. Methods: Thirty-four active, healthy participants comprising of 17 males and 17 females participated in this study. Hip extension and abduction isokinetic (concentric/eccentric) strength was assessed, gluteus maximus and gluteus medius muscles Electromyography (EMG) activity was also assessed along with 3D motion lower limb biomechanics during SLS and multi-directional single leg landing tasks. Findings: Moderate correlations were found between gluteus medius EMG activity and hip adduction angles during all landing tasks with R2 ranging from 0.13 to 0.22. Gluteus medius EMG activity moderately correlated with knee abduction angle during right SLS and with internal hip rotation angle during left SLS. Significant moderate to strong correlations between hip abductors’ and extensors’ strength and knee abduction angle, hip adduction angle, knee abduction moment, hip adduction moment and internal hip rotation moment were found during landing tasks with R2 ranging from 0.11 to 0.26. Conclusion: There appears to be limited to moderate relationships existing between Gluteal muscles strength and EMG activity and lower limb biomechanical variables during SLS and multi-directional single leg landing tasks. Furthermore, the relationship appears also to be task, limb and gender dependent. Keywords: ACL, Landing, gluteal muscles, Hip, Strength, EMG, Biomechanics.
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Bruce, Virginia Lee 1950. "Muscle fiber compartmentalization in the gluteus medius of the horse." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/277262.
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Muscle fiber architecture, innervation, and differences in fiber-type composition were examined in the gluteus medius of four horses. In the anatomical part of this study, the gluteus medius of four adult horses were extracted, soaked in a 10% formalin solution, and examined for fiber architecture and innervation patterns. Based on architectural and innervation differences, two distinct anatomical compartments were defined: the dorsal region and the ventral region. The histochemical portion of this study examined the fiber composition of each region by classifying the fiber types on the basis of myosin-ATPase. The dorsal region had a significantly higher percentage of Type I fibers than the ventral region; whereas the ventral region had a significantly higher percentage of Type IIB fibers than the dorsal region. These findings suggest that this subdivided structure may be designed to allow functional independence within the muscle.
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Brackertz, Sophie Charlotte [Verfasser]. "Gluteal muscle status and the impact on postoperative joint loading in total hip arthroplasty patients / Sophie Charlotte Brackertz." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2018. http://d-nb.info/1160514712/34.
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Gilfeather, Daniel Paul. "Central Activation Ratio with a Superimposed Burst Technique to Assess Muscle Activation of the Gluteus Medius and Gluteus Maximus." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525428444380602.
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Martins, Hugo Filipe Fastio. "Biomechanical investigation of suture patterns to repair the incision of the deep gluteal muscle during total hip replacement in dogs." Master's thesis, Universidade Técnica de Lisboa. Faculdade de Medicina Veterinária, 2013. http://hdl.handle.net/10400.5/5966.
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Dissertação de Mestrado Integrado em Medicina VeterináriaChoice of the best technique to repair surgical transected deep gluteal muscles during total hip replacement in dogs is influenced by multiple factors: properties of the muscle, suture diameter and characteristics, suture pattern biomechanics, amount of foreign material and muscle healing. The best suturing technique has to resist the strength formed during early active exercise protocols while maintaining the margins of the incision in close proximity. In this study was tested the biomechanical properties of interrupted Horizontal Mattress pattern (HM), the best resistant to tension technique advocated to repair transected muscles, and Schiller Suture pattern (SS), a newly developed technique created by Dr. Teresa Schiller used to repair the incision of the deep gluteal muscle during total hip replacement in dogs. The mechanical properties of the patterns were assessed through vertical mechanical traction single pull-to-failure destructive tests on a custom-made tensiometer equipped with a WH-A08 portable scale. Forty 6x10cm unidirectional soft polyethylene foam samples were used as a matrix for implantation of the suture patterns. All samples were preloaded with 9.8 N during one minute and strain was employed through application of force at a rate of 0.415±0.063 N/s. The recorded variables were suture pull-out value (SPOV), Mode of failure (MOF), Total amount of foreign material (TSM), gap at preload (GAP), dynamic displacement at 1, 2, 3 and 4 Kgf, at 80% and 90% the SPOV and at SPOV. Stiffness was calculated at 2 Kgf. Results showed that no significant differences were found between SPOVs of both groups. According to MOF, all SS failed by cut-through, 35% of which failed in both margins. In HM 85% failed by transection and approximately 72% of the stitches failed in the site of knot implantation. Differences in TSM were not considerable in normal sized deep gluteal muscles. Displacement at SPOV was higher in the HM group (32.9 x10-3±2.79 x10-3m) than in SS group (22.6 x10-3±2.2 x10-3m), F (1, 38) = 177.95, p<0.001. GAP and other dynamic displacements were also significantly higher in HM group (U= 0, p<0.001). Stiffness was significantly greater for SS (Mdn= 4903.25 N/m) than for HM group (Mdn= 1634.42 N/m), U= 0, p<0.001, r= 0.87. For these reasons, we concluded that SS represents the best option to repair the incision of the deep gluteal muscles in dogs.
RESUMO - INVESTIGAÇÃO BIOMECÂNICA DE PADRÕES DE SUTURA PARA REPARAR INCISÕES DO GLÚTEO PROFUNDO DURANTE ARTROPLASTIA TOTAL DA ANCA EM CÃES - A escolha da melhor técnica para reparar incisões do glúteo profundo durante artroplastia total da anca em cães é influenciada por múltiplos fatores: propriedades do músculo, diâmetro e características da sutura, biomecânica do padrão de sutura, quantidade de sutura, e reparação celular dos músculos. A técnica de sutura tem que resistir às forças formadas durante os protocolos de atividade precoce enquanto mantém aproximadas as margens da incisão. Neste estudo testaram-se as propriedades biomecânicas do padrão de sutura em “U” horizontal (HM), o mais resistente à tensão utilizado na reparação de incisões de músculos, e do padrão de sutura de Schiller (SS), uma técnica recentemente desenvolvida pela Dra. Teresa Schiller utilizada na reparação do glúteo profundo durante artroplastia total da anca em cães. As propriedades mecânicas dos padrões de sutura foram obtidas através de testes de tração vertical destrutivos num tensiómetro baseado num projeto original equipado com uma balança portátil vertical WH-A08. Quarenta amostras de espuma de polietileno unidirecional com 6x10cm foram usadas como matriz para implantação dos padrões de sutura. Todas as amostras sofreram uma pré-carga de 9.8 N durante 1 minuto e em seguida a força de distensão foi aplicada a um ritmo de 0.415±0.063 N/s. As variáveis registadas foram “valor de arranque de sutura” (SPOV), modo de falha (MOF), material de sutura total (TSM), deslocamento na pré-carga (GAP), deslocamento dinâmico em 1, 2, 3 e 4 Kgf, a 80% e 90% da SPOV, e no SPOV. A rigidez foi calculada aos 2 Kgf. Não foram encontradas diferenças significativas entre os SPOVs de ambos os grupos. De acordo com o MOF, todos os SS falharam através de corte longitudinal, dos quais 35% falharam em ambas as margens. No HM 85% falharam por transecção e 72% dos pontos falharam no local de implantação do nó. As diferenças encontradas no TSM não foram consideráveis para músculos de tamanho normal. O deslocamento no SPOV foi maior no grupo HM (32.9 x10-3±2.79 x10-3m) que no grupo SS (22.6 x10-3±2.2 x10-3m), F (1, 38) = 177.95, p<0.001. O GAP e os restantes deslocamentos dinâmicos foram também superiores no grupo HM (U= 0, p<0.001). A rigidez foi maior no SS (Mdn= 4903.25 N/m) que no HM (Mdn= 1634.42 N/m), U= 0, p<0.001, r= 0.87. Por estas razões concluiu-se que o padrão SS representa a melhor opção para reparar a incisão do glúteo profundo em cães.
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Bröhl, Felix [Verfasser], and Wolfgang [Akademischer Betreuer] Böcker. "Quantification of fiber type differences in human gluteus medius muscle / Felix Bröhl ; Betreuer: Wolfgang Böcker." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2020. http://d-nb.info/1208150111/34.
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Herö, Johan, and Niklas Andersson. "A New Training Device To Optimize Muscle Activation Of The Gluteus Medius During Progressive Hip Flexion." Thesis, Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-15746.
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Abstract Background: The Gluteus Medius (GM) muscle has an important role in stabilizing the pelvis and controlling the knees during athletic activities. Weakness in the GM can affect performance negatively and increase the risk of lower extremity (LE) injuries. During functional activities different parts of the muscle becomes activated depending on the degree of hip flexion. However, many GM strength exercises only train the GM in one fixed degree of hip flexion. Purpose: The purpose of the present study was to develop and validate a new training device designed to increase the muscle activation of the GM during progressive hip flexion in squats. Methods: The new device was developed to offer resistance training against hip abduction during squats. To be able to validate the new device in activating the GM, 32 female athletes (mean age 20 ± 3) with various athletic backgrounds was included in the study. All subjects performed squats on and off the device while surface electromyographical (SEMG) activity was recorded from GM on both sides of the body. Results: All test subjects were able to perform the squat and to activate the GM. When the squats were performed on the new device the muscle activation in GM was significantly higher compared to bodyweight squats (Z=-4.9, p < 0.001). Correlation tests between a complete sequence of five squats and one selected repetition revealed that activation was consistent throughout the exercise, (right GM: rs = 0.93, p < 0.001, left GM: rp = 0.92, p < 0.001) . No differences in activation were found between the right and left GM when squatting on the device. Conclusion: This study showed that the newly developed training device increased the muscle activity in GM during squats. Moreover, the results showed that squatting on the device activates the left and right side of the body equally and that the GM was activated during the whole exercise, under ongoing hip flexion. This information could be used to develop new training methods with the aim to improve stabilization of the pelvis and lower extremities during functional activities.Sammanfattning Bakgrund: Gluteus medius (GM) fyller en viktig funktion vid idrottsliga aktiviteter genom att den stabiliserar bäckenet och kontrollerar knäna. Svaghet i GM kan påverka prestationen negativt samt öka risken för skador i de lägre extremiteterna (LE). Vid funktionella aktiviteter aktiveras olika delar av GM beroende på graden av höftflexion. Många styrkeövningar för GM tränar emellertid muskeln i endast en fixerad grad av höft flexion. Syfte: Syftet med den här studien har varit att utveckla samt validera ett nytt träningsredskap, designat för att optimera muskelaktiveringen av GM under höftflexion. Metod: Träningsredskapet utvecklades för att erbjuda motstånd mot abduktion vid knäböj. För att validera redskapets förmåga att aktivera GM inkluderades 32 kvinnliga idrottare (medelålder, 20 ± 3 år) med varierande idrottslig bakgrund. Alla försökspersoner utförde knäböjningar med och utan träningsredskapet samtidigt som elektromyografisk aktivitet mättes i höger och vänster GM. Resultat: Alla försökspersoner kunde utföra knäböjningar och lyckades aktivera GM. Knäböjningar som utfördes på träningsredskapet resulterade i signifikant högre aktivering av GM jämfört med knäböjningar utan redskapet (Z=-4.9, p < 0.001). Korrelations test mellan kompletta sekvenser om fem repetitioner och enstaka repetitioner visade att aktiveringen var konstant under hela övningen, (höger GM: rs = 0.93, p < 0.001, vänster GM: rp = 0.92, p < 0.001). Inga skillnader i aktivering hittades mellan höger och vänster GM vid knäböjningar på redskapet. Slutsats: Studien visade att det utvecklade träningsredskapet ökade aktiveringen av GM vid knäböjningar. Resultaten visade också att denna aktivitet var jämnt fördelad mellan höger och vänster GM samt att aktiveringen var konstant under hela övningen. Resultaten i denna studien kan användas för att utveckla nya träningsmetoder med syfte att förbättra stabiliseringen av bäckenet och de lägre extremiteterna vid funktionella aktiviteter.
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Svensson, Felicia. "The loaded barbell squat: Muscle activation with the barbell in a free compared to a fixed vertical movement path in healthy athletes." Thesis, Umeå universitet, Avdelningen för fysioterapi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-175878.
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Introduction: Loaded barbell squat is one of the most popular exercises among athletes and can be performed in many different ways to achieve different goals. The difference in muscle activation between a free and afixed vertical movement path (using Smith machine) has not been examined to a particularly large extent. Aim: To investigate differences in muscle activation of the gluteal and thigh muscles when performing the loaded barbell squat in a free movement path compared to a fixed vertical movement path in healthy athletes under standardized conditions. Methods: Repeated measures within-subjects design were used. Five squats per condition was performed with a weight representing 100% of the participants bodyweight at a tempo of four seconds per repetition. Muscle activation was measured with the EMG-shorts MBody3. Both conditions tested on the same day and the participants was randomized to what condition to start with. Results: No difference was observed between the conditions for the mean value of muscle activation the whole squat. Mm. quadriceps and mm. hamstrings showed significantly higher muscle activation at the end of the eccentric and the beginning of the concentric phase of the squat when the squat is performed with the barbell in a free movement path. For m. gluteus maximus no difference was observed, neither in the whole squat nor in any parts of the squat. Conclusion: This study provides preliminary evidence that mm. quadriceps and mm. hamstrings muscle group show lower muscle activation in parts of the squat when performed in a Smith machine. No significant difference was observed considering the whole movement.Introduktion: Knäböj med skivstång är en av de mest populära övningarna bland idrottare och kan utföras på många olika sätt för att uppnå olika mål. Skillnaden i muskelaktivering mellan fri och fixerad vertikal rörelsebana (med Smithmaskin) har inte undersökts i särskilt stor omfattning. Syfte: Att undersöka skillnader i muskelaktivering av sätes- och lårmuskler vid utförande av knäböj med skivstång i en fri jämfört med en fixerad vertikal rörelsebana hos friska idrottare under standardiserade förhållanden. Metod: Upprepade mätningar inom individer användes. Fem repetitioner knäböj per betingelse utfördes på en vikt som motsvarade 100% av deltagarnas egna kroppsvikt. Varje repetition genomfördes på fyra sekunder. Muskelaktivitet mättes med EMG-byxorna MBody3. Båda betingelserna testades under samma dag och deltagarna randomiserades till vilken förutsättning de skulle börja med. Resultat: Ingen skillnad observerades mellan betingelserna för medelvärdet av muskelaktiveringen under hela knäböjen. Mm. quadriceps och mm. hamstrings hade signifikant högre muskelaktivering i slutet av den excentriska och början av den koncentriska fasen av knäböjen då den utfördes i en fri rörelsebana. Ingen skillnad observerades, varken i hela eller delar av knäböjen, avseende m. gluteus maximus. Slutsats: Denna studie ger preliminära bevis på att muskelgrupperna mm. quadriceps och mm. hamstrings uppvisar lägre muskelaktivering i delar av knäböjen när den utförs i en Smithmaskin. Ingen signifikant skillnad observerades i muskelaktiveringen avseende hela rörelsen.
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Bünger, Frederic. "Histomorphometrische Befunde am M. gluteus medius von Pferden ausgewählter deutscher Warmblutrassen- Selektionskriterium für die sportliche Veranlagung?" Doctoral thesis, Universitätsbibliothek Leipzig, 2004. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-36564.
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Zusammenfassung Histomorphometrische Befunde am M. gluteus medius von Pferden ausgewählter deutscher Warmblutrassen - Selektionskriterium für die sportliche Veranlagung? (96 S., 11 Abb., 52 Tab., 131 Lit.) Zur Untersuchung histomorphometrischer Indizes wurden aus dem M. gluteus medius von Warmblut-Pferden ausgewählter deutscher Zuchtgebiete Bioptate entnommen. Insgesamt standen 64 zweijährige Hengste zur Verfügung. Die Biopsien wurden an einem definierten Punkt und bei einer immer gleichen Entnahmetiefe von 5 cm mit der Biopsiekanüle nach BERGSTRÖM (1962) durchgeführt. Eine Auswertung der Muskelproben erfolgte im Hinblick auf die Rassenzugehörigkeit, hinsichtlich Züchtung der Pferde für den Dressur- bzw. Springsport, mit Bezug auf das Körurteil sowie unter Berücksichtigung der Abstammung von verschiedenen väterlichen Blutlinien. Dazu kam die histochemische Methode der sauren Kreuzkombination nach ZIEGAN (1979) zur Anwendung, welche neben den physiologischen auch die biochemischen Eigenschaften der Muskelfasern berücksichtigt. Demzufolge wurde eine Differenzierung in die Fasertypen STO (slow-twitch-oxidative), FTO (fast-twitch-oxidative), Fasern des Intermediärtyps und FTG (fast-twitch-glycolytic) vorgenommen. Für diese Fasertypen wurde die relative Anzahl, die absolute und die relative Faserquerschnittsfläche sowie die Quotienten schnell-/langsam-kontrahierende Fasern (F/S), oxidative/glykolytische (Ox/G) Muskelfasern und FTO/FTG ermittelt. Zwischen Pferden verschiedener deutscher Warmblutrassen ließen sich signifikante Unterschiede im STO- (p< 0,001) und FTO-Faseranteil (p< 0,01) nachweisen. Warmblutpferde Trakehner Abstammung wiesen dabei mit 35,9 % den größten Anteil langsamer Muskelfasern (STO) und mit 33,8 % den geringsten Anteil schnell-kontrahierender, oxidativer Fasern (FTO) auf. Die gegensätzlichen Extremwerte bezüglich dieser beiden Fasertypen nahmen die Pferde des Zuchtgebietes Westfalen ein. Auch die absoluten Faserquerschnittsflächen langsam-kontrahierender Muskelfasern von Pferden verschiedener Rassen waren signifikant (p< 0,05) verschieden. Wiederum nahmen mit 2957 µm2 die Trakehner eine Spitzenposition ein. Im Vergleich der Werte der relativen Faserquerschnittsfläche von Pferden verschiedener Rassen wurde auch ein signifikanter Unterschied bei den FTG-Fasern deutlich (p< 0,01). Dressurpferde besaßen mit 26,6 % einen signifikant (p< 0,05) höheren STO-Faseranteil als Springpferde mit einem Wert von 21,9 %. Umgekehrt verhielt sich der prozentuale FTO-Faseranteil mit 46,7 % bei Spring- und 38,8 % bei Dressurpferden (p< 0,05). Die Werte der relativen Faseranzahl und der relativen Faserfläche wiesen einen Korrelationskoeffizienten von r=0,92 auf. Demzufolge bestanden zwischen Dressur- und Springpferden auch bei der relativen Faserquerschnittsfläche signifikante Unterschiede für STO- (p< 0,05) und FTO-Fasern (p< 0,001). Gekörte Hengste hatten mit 20 % signifikant (p< 0,05) weniger langsam-kontrahierende Muskelfasern als Nicht gekörte Hengste mit 25 %. Auch für die relative Faserquerschnittsfläche traf dieses Verhältnis signifikant (p< 0,05) zu. Es konnte weiterhin gezeigt werden, daß Nachkommen von verschiedenen väterlichen Blutlinien signifikant im STO- (p< 0,01) und FTO-Faseranteil (p< 0,001) sowie bezüglich der relativen Faserquerschnittsfläche von STO- (p< 0,001), FTO- (p< 0,01) und FTG-Fasern (p< 0,05) und hinsichtlich der absoluten Faserfläche der langsamen Muskelfasern (p< 0,05) voneinander abweichen. Aus den Ergebnissen konnten folgende Erkenntnisse gewonnen werden: 1. Die Befunde weisen auf eine enge Abhängigkeit der Muskelfasertypenkomposition des Pferdes von genetischen Faktoren hin. 2. Bereits zwischen Pferden anderer Rassen beobachtete Unterschiede hinsichtlich morphologischer Muskelindizes lassen sich auch bei Pferden verschiedener deutscher Warmblut-Pferderassen aufzeigen. 3. Pferde, die seit mehreren Generationen speziell für eine Nutzung im Springsport gezüchtet worden sind, besitzen einen höheren prozentualen FTO-Faseranteil. Dieser verleiht ihnen wahrscheinlich die Fähigkeit, in der Absprungphase ein enormes Maß an Kraft zu generieren. Dressurpferde haben Arbeit von vergleichsweise niedriger Intensität, aber langer Dauer zu verrichten. Daraus ergibt sich die Möglichkeit, die Muskelbiopsie bereits bei jungen Pferden als Selektionskriterium einzusetzen. 4. Die Ergebnisse der Gekörten Hengste weisen auf eine Selektion zugunsten der Individuen mit hohem FTO- und dementsprechend niedrigem STO-Faseranteil hin, was auf einen Zusammenhang zwischen der Muskelfasertypenzusammensetzung und der Bewegungsqualität eines Pferdes hindeutetSummary Histomorphometric findings of the gluteus medius muscle of horses from selected german warm-blooded breeds - selection criterion for athletic ability? (96 p., 11 fig., 52 tables, 131 ref.) For examining the histomorphometric muscle indices biopsies were taken of warm-blooded horses descending from selected German breeds. Biopsies were taken at standardized depth of 5 cm from the left gluteus medius muscle of 64 two-year-old stallions using a BERGSTROEM biopsy needle (1962). Muscle samples were evaluated according to different breeds, the aptitude for dressage or show jumping, the possession of a breeding licence and the derivation of different paternal bloodlines. The histochemical method used was that described by ZIEGAN (1979), which considers the physiological as well as the biochemical properties of muscle fibres. Therefore muscle fibres were distinguished in STO, FTO, fibres of intermediate type and FTG. For these fibre the types relative number, absolute and relative cross-sectional fibre area as well as the quotient fast-/slow-twitch fibers, oxidative/glycolytic muscle fibers and FTO/FTG were determined. Between horses of different German warm-blooded breeds there were significant differences in the percentage of STO (p< 0,001) and FTO-fibres (p< 0,01). Trakehner horses had the highest percentage of slow-twitch fibres with 35,9 %, and the lowest percentage of FTO-fibres with 33,8 %. The other two extremes according to these fibre types occured in Westphalian horses. Absolute cross-sectional STO-fibre areas were also significantly different between horses of different breeds (p< 0,05). Again, the Trakehner horses were in the lead with 2956,89 µm2. Comparing the relative muscle fibre area of differently bred horses, FTG-fibres also turned out to be significantly different (p< 0,01) from each other. Dressage horses had with 26,6 % a significantly higher (p< 0,05) proportion of STO-fibres than show jumping horses with a percentage of 21,9 %. Show jumping horses had a higher percentage of FTO-fibres with 46,7 % than dressage horses with 38,8 % (p< 0,05). Expressing a high correlation of relative number and relative cross-sectional fibre area (r< 0,92), the latter criterion also turned out to be different for STO- (p< 0,05) and FTO-fibres (p< 0,001). Licenced breeding stallions showed a significantly (p< 0,05) lower proportion of slow-twitch fibres with 20 % than stallions without breeding permission with 25 %. This relation also turned out to be significant for the relative fibre area (p< 0,05) . Furthermore it was found that offsprings of different paternal bloodlines differ from one another according to the percentage of STO- (p< 0,01) and FTO-fibres (p< 0,001), according to relative cross-sectional fibre areas of STO- (p< 0,001), FTO- (p< 0,01) and FTG-fibres (p< 0,05) and according to absolute fibre areas of slow-twitch muscle fibres (p< 0,05). These results suggest following conclusions: 1. The findings show a high correlation between muscle fiber type composition and genetic factors in the horse. 2. Earlier observed differences in morphological muscle indices between different races of horses were also evident between horses of different german warm-blooded breeds. 3. Horses, which have been bred specifically for show jumping over numerous generations, possess a higher percentage of FTO-fibres. This probably enables them to generate an enormous amount of power in the moment of take-off. Dressage horses have to perform exercises of comparatively low intensity but long duration. Therefore the muscle biopsy is a usefull selection criterion in young horses. 4. The results from the licenced breeding stallions indicate selection in favour of individuals having a high percentage of FTO- and a low percentage of STO-fibers, which may be related to muscle fibre properties and the locomotor pattern of the horse
Books on the topic "Gluteal muscles"
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Speirs, Steve. 7 weeks to 100 push-ups: Strengthen and sculpt your arms, abs, chest, back and glutes by training to do 100 consecutive push-ups. Berkeley, Calif: Ulysses Press, 2009.
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Kellie, Davis, ed. Strong curves: A woman's guide to building a better butt and body. Las Vegas: Victory Belt Publishing Inc., 2013.
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Harrison, Mark. Lower limb. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198765875.003.0002.
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This chapter describes the anatomy of the lower limb as it applies to Emergency Medicine, and in particular the Primary FRCEM examination. The chapter outlines the key details of the muscles, innervation, movements, vessels, and joints of the anterior thigh, medial thigh, posterior thigh, hip joint, gluteal region, popliteal fossa, anterior leg, lateral leg, calf, foot, and ankle. This chapter is laid out exactly following the RCEM syllabus, to allow easy reference and consolidation of learning.
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Donaldson, James, and Richard Carrington. The complex primary total hip replacement. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199550647.003.007008.
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♦ Hip Dysplasia• Despite screening programs, a large number of patients are affected by dysplastic hips and their sequelae• An understanding of anatomical abnormalities is crucial• Appropriate techniques and implants make arthroplasty feasible• Complications are significantly higher than standard primary hip replacements♦ Protrusio Acetabuli• Technical difficulties include inadequate medial wall and restoring offset, hip centre and leg lengths• Neck may need to be cut in-situ; bone graft is usually necessary and ideally should be taken from the femoral head• Antiprotrusio cages or custom implants may be needed in cases with excessive bone loss♦ Arthrodesed hip to total hip replacement• Careful evaluation of the gluteal muscles is mandatory and predicts final walking ability and patient satisfaction• Long-term effectiveness of total hip replacement in ankylosed hips is satisfactory but there is a higher complication rate
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Shaibani, Aziz. Proximal Leg Weakness. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199898152.003.0013.
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Proximal leg weakness is a common presentation in neuromuscular clinics. Hips flexion, abduction, adduction, and rotation are mainly achieved by iliopsoas, glutei, and obturator muscles. Hip pathology, especially when painless, may lead to diagnostic confusion that needs a good EMG of these muscles to be cleared. Most myopathies present with painless proximal leg weakness (difficulty climbing stairs and arising out of a deep chair). CIDP, diabetic amyotrophy, motor neuron diseases, and lumbar plexitis may all present similarly. Severe pain is typical of plexus pathology and is rarein myopathies. Students should be taught to avoid the assumption that proximal weakness is only caused by myopathies.
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Shaibani, Aziz. Proximal Leg Weakness. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190661304.003.0013.
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Proximal leg weakness is a common presentation to neuromuscular clinics. Hip flexion, abduction, adduction, and rotation is mainly achieved by the iliopsoas, glutei, and obturator muscles. Hip pathology, especially when painless, may lead to diagnostic confusion that needs a good electromyogram (EMG) of these muscles to be cleared. Most myopathies present with painless proximal leg weakness (difficulty climbing stairs and arising out of a deep chair). chronic inflammatory demyelinating polyneuropathy (CIDP), diabetic amyotrophy, motor neuron diseases (MNDs), and lumbar plexitis may all present similarly. Pain is more typical of these conditions that myopathies. Students should be taught to avoid the assumption that proximal weakness is caused only by myopathies.
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R, Shewry P., Tatham Arthur S, and Bailey Allen J, eds. Elastomeric proteins: Structures, biomechanical properties, and biological roles. Cambridge, UK: Cambridge University Press, 2003.
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Welbourn, John. The Power Paleo Diet: Recipes That Build Muscle at Every Meal. Page Street Publishing, 2013.
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Gibbons, John. The vital glutes: Connecting the gait cycle to pain and dysfunction. 2014.
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Plan, Regina. Vegan Meal Prep and Plant-Based Diet Cookbook for Beginners: Vegan & Vegetarian Diet Book with High-Protein Meal Plans for Muscle Growth - Delicious & Easy Gluten-Free Recipes for a Healthy Lifestyle. Blu Sal Digital Marketing Ltd, 2020.
Find full textBook chapters on the topic "Gluteal muscles"
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Arcidiacono, Alice, and Alessandro Muda. "Gluteal and Piriformis." In Ultrasound Anatomy of Lower Limb Muscles, 91–99. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-14894-6_11.
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Schreiber, A., G. U. Exner, and A. R. von Hochstetter. "Muscle Reattachment — Especially the Gluteal Muscles — After Proximal Femoral Resection and Replacement by Tumor Prosthesis." In Limb Salvage, 395–98. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-75879-9_53.
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Kokubo, Rinko, and Kyongsong Kim. "Gluteus Medius Muscle Pain." In Entrapment Neuropathy of the Lumbar Spine and Lower Limbs, 27–33. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6204-8_4.
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Gondim Teixeira, Pedro Augusto. "Gluteus Maximus and Surrounding Muscles Injuries." In Sports and Traumatology, 335–51. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-43344-8_19.
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Liu, Yu-jie, and Jing Xue. "Arthroscopic Gluteal Muscle Contracture Release with Radiofrequency Energy." In Advanced Application of Arthroscopy, 43–54. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4684-6_7.
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Sozer, Sadri O., and O. Erhan Eryilmaz. "Split Gluteal Muscle Flap (SGMF) for Autoprosthesis Buttock Augmentation Revisited." In Atlas of Whole Body Contouring, 321–33. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94755-2_24.
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Burnet, Evie N., Ross A. Arena, and Peter E. Pidcoe. "Relationship Between Gluteus Medius Muscle Activity, Pelvic Motion, and Metabolic Energy in Running (P190)." In The Engineering of Sport 7, 267–71. Paris: Springer Paris, 2008. http://dx.doi.org/10.1007/978-2-287-09413-2_33.
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"Gluteal Muscles." In Imaging Anatomy: Ultrasound, 706–15. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-323-54800-7.50073-8.
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Anapol, Fred, Nazima Shahnoor, and J. Patrick Gray. "Fiber architecture, muscle function, and behavior: gluteal and hamstring muscles of semiterrestrial and arboreal guenons." In Shaping Primate Evolution, 99–133. Cambridge University Press, 2004. http://dx.doi.org/10.1017/cbo9780511542336.009.
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Garten, Hans. "M. gluteus maximus." In The Muscle Test Handbook, 98–101. Elsevier, 2013. http://dx.doi.org/10.1016/b978-0-7020-3739-9.00048-1.
Full textConference papers on the topic "Gluteal muscles"
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Zhang, Yulan, Peiling Li, Xianchao Kong, Xiaoji Yu, Zhihai Kang, and Jinfeng Zhao. "Observation of He-Ne laser therapy on infected gluteal muscles after injection." In Photonics China '96, edited by Brij M. Khorana, Junheng Li, and Michail M. Pankratov. SPIE, 1996. http://dx.doi.org/10.1117/12.251965.
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Linder-Ganz, Eran, Noga Shabshin, Yacov Itzchak, Itzhak Siev-Ner, and Amit Gefen. "Peak Gluteal Muscle Strain and Stress Values During Sitting Are Greater in Paraplegics Than in Normals." In ASME 2007 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/sbc2007-175941.
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Deep tissue injury (DTI) is a severe type of pressure ulcers affecting the viability of muscle tissue under bony prominences first [1]. Most researchers agree that prolonged elevated muscle tissue strains and stresses cause the onset of DTI. We recently showed that internal strain and stress distributions in muscle tissue of individuals can be evaluated by integrating Open-MRI examinations with subject-specific finite element (FE) analyses [2]. However, sub-dermal soft tissue strain and stress data from paraplegic wheelchair users are missing in the literature. Our present goals were therefore (i) to determine the strain and stress distributions in the gluteus muscles and enveloping fat under the ischial tuberosities (IT) of paraplegic wheelchair users during sitting and lying in an Open-MRI, (ii) to compare the paraplegic data to those obtained previously from normal subjects [2], and (iii) to compare between results obtained from paraplegics in the sitting and lying postures, in order to quantify the effect of posture on sub-dermal tissue mechanical conditions, particularly intramuscular shear stress.
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"Modified Rehabilitation Exercises to Strengthen the Gluteal Muscles with a Significant Improvement in the Lower Back Pain." In Feb. 2017 International Conferences. EIRAI, 2017. http://dx.doi.org/10.17758/eirai.f0217730.
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Linder-Ganz, Eran, Ziva Yizhar, Itzhak Siev-Ner, and Amit Gefen. "Real-Time Continuous Monitoring of Sub-Dermal Tissue Stresses Under the Ischial Tuberosities in Individuals With Spinal Cord Injury." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192779.
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Individuals with a spinal cord injury (SCI) are susceptible to deep tissue injury (DTI) which is a pressure-related-necrosis that onsets in the gluteus muscles under the ischial tuberosities (IT). The condition may exacerbate to widespread tissue necrosis and sepsis [1], but early detection is currently not feasible because the injury starts and progresses under intact skin. In SCI patients, local elevated mechanical strains and stresses are formed around the IT, and are not relieved through motion [2]. The excessive tissue strains and stresses, combined with ischemia and hindered diffusion, induce and promote muscle cell death [3]. Recently, we developed a real-time, patient-specific finite element (FE) modeling method and experimental system with a clinical orientation of providing early detection of sub-dermal mechanical conditions that potentially lead to DTI. We presented this system and initial data from healthy adults during the 2006 Summer Bioengineering Conference [4]. Herein, we provide, for the first time, data from trials in an individual with SCI monitored by the system, which indicates that mechanical conditions in gluteus muscles of SCI patients are substantially distinct from those of control subjects.
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Sirisuwan, Porakoch, Chieko Narita, Tetsushi Koshino, and Hisanori Yuminaga. "The Evaluations of the Muscle Activity During “Momi” by Using the Different Immersed Bamboo in Water to Making Kyo-Uchiwa (Japanese Paper Fan)." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63476.
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The aim of study is to evaluate whether altering the bamboo moisture by immersed bamboo in water on 4-hour and 3 -day that would affect the muscle activity during separated bamboo by bending process. Moreover, thirteen muscles which bilateral side of Pectoralis major, Biceps brachii, Triceps brachii, Latissimus dorsi, Gluteus medius and only right side of Rectus abdominis, Extensor carpi radialis longus and Flexor carpi radialis were recorded. As a result, the bilateral side of Biceps brachii, right side of Extensor carpi radialis longus and Flexor carpi radialis, left side of Triceps brachii showed the difference quite clearly. When the craftsman was bending the bamboo he was necessary more effortful by these muscles activity on the 4-hour immersed bamboo in water than the 3-day. The scanning electron microscopy (SEM) photographs showed the fracture characteristic of 2 subjects that the adhesive of bamboo fiber decreased when increased moisture.
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Koldenhoven, RM, JJ Fraser, LC Mangum, MJ Higgins, and J. Hertel. "P31 Gluteal muscle thickness during lateral band walking in individuals with history of ankle sprain." In 7th International Ankle Symposium, 2017. BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine, 2017. http://dx.doi.org/10.1136/bjsports-2017-anklesymp.63.
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Schmitz, Anne, Jaclyn Norberg, Kristen Snarski, and Davide Piovesan. "Association Between Impact Peak and Hip Flexor Activity During Running." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65374.
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Gait retraining techniques to reduce impact forces during running is of significant interest to clinicians interested in reducing running injury risk. Increased peak rectus femoris activity during swing was significantly correlated with decreased impact peak during running (r = −0.654, p = 0.01) due to the muscle’s large hip flexion moment arm (43 to 54 mm). Gluteus medius (r = −0.204, p = 0.466) and adductor longus (r = 0.104, p = 0.714) activity were not significantly correlated with impact peak. These results suggest that gait retraining programs aimed at reducing the impact peak during running should focus on increased rectus femoris activity during swing.
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Dewayani, Ayu, Reni Hendrarati Masduchi, and I. Putu Alit Pawana. "Correlation Between Gluteus Maximus, Quadriceps, and Gastrocnemius Muscles Activity to Vertical Jump Performance on Male Volleyball Athletes." In International Meeting on Regenerative Medicine. SCITEPRESS - Science and Technology Publications, 2017. http://dx.doi.org/10.5220/0007321703640369.
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Nair, Gokul, Michael Levin, and Sudesh Sivarasu. "Design and Verification of a Reloadable Adrenaline Auto-Injector for Intramuscular Injections." In 2018 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dmd2018-6944.
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Anaphylaxis is a severe allergic reaction when a patient is exposed to an antigen to which they have become hypersensitive. Exposure to these antigens results in the release of mediators from mast cells in the body, causing inflammation of critical organ systems. Without immediate treatment, it can lead to patient mortality within 15 minutes. To increase the probability of patient survival, a dose of adrenaline must be administered. There are several routes of administration, but the use of an Adrenaline Auto Injector is the safest, quickest and most efficient route. An Adrenaline Auto-Injector (AAI) is an injection device that delivers adrenaline to the deep muscle tissue of the body, preferably via the vastus lateralis muscle (as the rate of absorption is more effective than other injection sites such as the deltoid, gluteus maximus etc). Adrenaline Auto-Injectors are preferable to syringes, or prefilled syringes as they are easier to use, and can be used by people that are not medically trained. They can also be used in highly stressful situations without much risk of injury.
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Cho, M., J. Kim, K. Jung, Y. Lee, M. Lee, Y. Chung, and S. Hwang. "Treadmill training with functional electrical stimulation on gluteus médius and tibialis anterior muscles for chronic hemiparetic stroke." In 2014 IEEE 19th International Functional Electrical Stimulation Society Annual Conference (IFESS). IEEE, 2014. http://dx.doi.org/10.1109/ifess.2014.7036733.
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