Bibliografías temáticas / Patella Physiology

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Literatura académica sobre el tema "Patella Physiology"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 19 de febrero de 2022

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Artículos de revistas sobre el tema "Patella Physiology"

Stanescu, A., Anh-Vu Ngo, Marguerite Parisi, Ramesh Iyer, and Ezekiel Maloney. "The Pediatric Patella: Normal Development, Anatomical Variants and Malformations, Stability, Imaging, and Injury Patterns." Seminars in Musculoskeletal Radiology 22, no. 01 (February 2018): 081–94. http://dx.doi.org/10.1055/s-0037-1608004.

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AbstractWe discuss the pediatric patella, with an emphasis on diagnostic imaging. Topics include normal patellar development, anatomical variants and their physiologic significance, genetic syndromes that alter the appearance of the patella, physiology of patellar tracking and stability, patellofemoral instability, and injury patterns and classification. Recognition of appropriate development on imaging prevents diagnostic error and unnecessary evaluation. Knowledge of the pertinent features of syndromes associated with morphological patellar abnormalities can aid in generating a succinct and

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Li, Guoan, Ramprasad Papannagari, Kyung Wook Nha, Louis E. DeFrate, Thomas J. Gill, and Harry E. Rubash. "The Coupled Motion of the Femur and Patella During In Vivo Weightbearing Knee Flexion." Journal of Biomechanical Engineering 129, no. 6 (April 19, 2007): 937–43. http://dx.doi.org/10.1115/1.2803267.

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The movement of the knee joint consists of a coupled motion between the tibiofemoral and patellofemoral articulations. This study measured the six degrees-of-freedom kinematics of the tibia, femur, and patella using dual-orthogonal fluoroscopy and magnetic resonance imaging. Ten normal knees from ten living subjects were investigated during weightbearing flexion from full extension to maximum flexion. The femoral and the patellar motions were measured relative to the tibia. The femur externally rotated by 12.9deg and the patella tilted laterally by 16.3deg during the full range of knee flexion

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Sheehan, F. T., F. E. Zajac, and J. E. Drace. "In Vivo Tracking of the Human Patella Using Cine Phase Contrast Magnetic Resonance Imaging." Journal of Biomechanical Engineering 121, no. 6 (December 1, 1999): 650–56. http://dx.doi.org/10.1115/1.2800868.

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Improper patellar tracking is often considered to be the cause of patellar-femoral pain. Unfortunately, our knowledge of patellar-femoral-tibial (knee) joint kinematics is severely limited due to a lack of three-dimensional, noninvasive, in vivo measurement techniques. This study presents the first large-scale, dynamic, three-dimensional, noninvasive, in vivo study of nonimpaired knee joint kinematics during volitional leg extensions. Cine-phase contrast magnetic resonance imaging was used to measure the velocity profiles of the patella, femur, and tibia in 18 unimpaired knees during leg exten

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Steen, H., K. F. Tseng, S. A. Goldstein, and J. E. Carpenter. "Harvest of Patellar Tendon (Bone–Tendon–Bone) Autograft for ACL Reconstruction Significantly Alters Surface Strain in the Human Patella." Journal of Biomechanical Engineering 121, no. 2 (April 1, 1999): 229–33. http://dx.doi.org/10.1115/1.2835108.

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The purpose of this study was to measure the effect of bone–patellar tendon–bone autograft harvest for anterior cruciate ligament (ACL) reconstruction on the surface strain of the human patella. Through progressive removal of bone from the patella, three different defect shapes as well as the intact patella were tested in each of seven knees. Maximum principal strain and corresponding principal direction were determined from each of three gages around the defect for the four conditions (intact plus three defect shapes). There were no statistically significant differences in overall average sur

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Tu¨mer, Sami Turgut, and Ali Erkan Engin. "Three-Body Segment Dynamic Model of the Human Knee." Journal of Biomechanical Engineering 115, no. 4A (November 1, 1993): 350–56. http://dx.doi.org/10.1115/1.2895497.

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In this paper, a two-dimensional, three-body segment dynamic model of the human knee is introduced. The model includes tibio-femoral and patello-femoral articulations, and anterior cruciate, posterior cruciate, medial collateral, lateral collateral, and patellar ligaments. It enables one to obtain dynamic response of the knee joint to any one or combination of quadriceps femoris, hamstrings, and gastrocnemius muscle actions, as well as any externally applied forces on the lower leg. A specially developed human knee animation program is utilized in order to fine tune some model parameters. Nume

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Witzgall, Ralph. "Nail-patella syndrome." Pflügers Archiv - European Journal of Physiology 469, no. 7-8 (July 5, 2017): 927–36. http://dx.doi.org/10.1007/s00424-017-2013-z.

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Kubo, Keitaro, Toshihiro Ikebukuro, Katsutoshi Yaeshima, Hideaki Yata, Naoya Tsunoda, and Hiroaki Kanehisa. "Effects of static and dynamic training on the stiffness and blood volume of tendon in vivo." Journal of Applied Physiology 106, no. 2 (February 2009): 412–17. http://dx.doi.org/10.1152/japplphysiol.91381.2008.

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The purpose of this study was to investigate the effects of static and dynamic training on the stiffness and blood volume of the human tendon in vivo. Ten subjects completed 12 wk (4 days/wk) of a unilateral training program for knee extensors. They performed static training on one side [ST; 70% of maximum voluntary contraction (MVC)] and dynamic training on the other side (DT; 80% of one repetition maximum). Before and after training, MVC, neural activation level (by interpolated twitch), muscle volume (by magnetic resonance imaging), stiffness of tendon-aponeurosis complex and patella tendon

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Ahmed, A. M., N. A. Duncan, and M. Tanzer. "In Vitro Measurement of the Tracking Pattern of the Human Patella." Journal of Biomechanical Engineering 121, no. 2 (April 1, 1999): 222–28. http://dx.doi.org/10.1115/1.2835107.

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This study sought to determine whether a general pattern describing the three-dimensional tracking characteristics of the human patella could be established, and if not, then to determine the extent and nature of interspecimen variations in the characteristics in a normal population. Using 32 fresh-frozen knees subjected to extensor moment magnitudes similar to those in “static-lifting” and “leg-raising against resistance” maneuvers, patellar displacements were measured in the knee extension range 120 to 0 deg. For static-lifting, a constant foot-floor reaction of 334 N was applied. For leg-ra

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Carroll, C. C., J. M. Dickinson, J. M. Haus, G. A. Lee, C. J. Hollon, P. Aagaard, S. P. Magnusson, and T. A. Trappe. "Influence of aging on the in vivo properties of human patellar tendon." Journal of Applied Physiology 105, no. 6 (December 2008): 1907–15. http://dx.doi.org/10.1152/japplphysiol.00059.2008.

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Tendons are important for optimal muscle force transfer to bone and play a key role in functional ability. Changes in tendon properties with aging could contribute to declines in physical function commonly associated with aging. We investigated the in vivo mechanical properties of the patellar tendon in 37 men and women [11 young (27 ± 1 yr) and 26 old (65 ± 1 yr)] using ultrasonography and magnetic resonance imaging (MRI). Patella displacement relative to the tibia was monitored with ultrasonography during ramped isometric contractions of the knee extensors, and MRI was used to determine tend

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Clark, D. A., D. L. Simpson, J. D. Eldridge, V. Pai, and G. R. Colborne. "Functional assessment of outcome of surgery to correct patellofemoral instability in human patients." Comparative Exercise Physiology 16, no. 3 (March 23, 2020): 161–67. http://dx.doi.org/10.3920/cep190045.

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A case-control study with 6 months of patient follow up. This study sought to determine if surgery followed by rehabilitation for patellar instability could restore normal gait function. A previous study has established abnormalities in gait pattern and joint congruence in patients with a history of patellar instability. We hypothesised that surgery for patellofemoral instability would improve knee function. Eight human patients (mean age 29, range 17-42) who were awaiting patella stabilisation surgery (5 tibial tuberosity osteotomy, 2 medial patellofemoral ligament reconstruction, 1 trochleop

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Tesis sobre el tema "Patella Physiology"

Marshall, David John. "Environmental physiology of the intertidal limpets Patella (Prosobranchia) and Siphonaria (Pulmonata)." Thesis, Rhodes University, 1992. http://hdl.handle.net/10962/d1005372.

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Physiological response to environmental change is examined in species of the intertidal limpets, Patella (Prosobranchia) and Siphonaria (Pulmonata). Characteristics of heart beat were determined using impedance pneumography and these are described. Heart rate of P. granularis is related to temperature and body size, and cardiac arrest in this limpet is apparently stress-related. Siphonaria oculus may exhibit a temperature-independent, extreme, and often prolonged bradycardia (<10 beats/min). When measured shortly after aerial exposure, heart rate and oxygen consumption of the above limpet spec

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Jones, Christopher David Stanford. "On the cross-sectional form of the patella in several primates." Title page, table of contents and abstract only, 2003. http://web4.library.adelaide.edu.au/theses/09PH/09phj764.pdf.

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Lemoine, Jennifer K. "The impact of gender and chronic resistance training on human patellar tendon dry mass, collagen content, and collagen cross-linking." Virtual Press, 2008. http://liblink.bsu.edu/uhtbin/catkey/1395461.

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Collagen content and cross-linking are believed to be major determinants of tendon structural integrity and function. Gender and chronic resistance training have been shown to alter tendon function, and may also alter these key structural features of tendon. Patellar tendon biopsies were taken from untrained men (M, n=8, 25±1 y, 1RM: 53±3 kg), untrained women (W, n=8, 23±2 y, 1RM: 29±2 kg), and resistance-trained (10±1 y trained) men (RTM, n=8, 24±2 y, 1RM: 71 ±6 kg). Biopsies were analyzed for dry mass, collagen content, and collagen cross-linking (hydroxylysylpyridinoline, HP). Tendon dry ma

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Crawford, Richard Lee. "Protocols for preconditioning of patellar tendon for anterior cruciate ligament reconstruction stress relaxation vs. creep /." Master's thesis, Mississippi State : Mississippi State University, 2008. http://library.msstate.edu/etd/show.asp?etd=etd-07232008-132346.

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Bailey, Martin P. "The biomechanics of anterior knee pain and patellar tendonitis in cycling." Thesis, University of Brighton, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287066.

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Viegas, Alexandre de Christo. ""Análise das propriedades biomecânicas dos tendões dos músculos tibial anterior e tibial posterior : estudo experimental em cadáveres humanos"." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/5/5140/tde-11042006-162408/.

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O autor estudou as propriedades biomecânicas dos tendões dos músculos tibial anterior e tibial posterior congelados a -20°C e a -86°C extraídos de cadáveres humanos frescos. Foram realizados ensaios mecânicos de tração até a ruptura e determinadas as seguintes propriedades: resistência máxima, coeficiente de rigidez, módulo de elasticidade e alongamento máximo relativo. Os dados obtidos foram comparados aos existentes na literatura relativos ao ligamento cruzado anterior, ligamento da patela e aos tendões dos músculos grácil e semitendíneo<br>The author studied the mechanical properties of the

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Yeung, Kwok Tai Cathay. "Effect of total knee replacement design and surgical technique on patello-femoral joint performance : an explicit finite element study." Thesis, University of Southampton, 2007. https://eprints.soton.ac.uk/64812/.

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There is an increasing demand for total knee replacements (TKR). Young patients are placing increasing functional demands on modern TKR. Clinical experience has also shown the need for high flexion in patients after TKR. In this study, assessment of TKR performance subjected to deep knee bend was investigated. Patellar resurfacing in TKR is assumed to release pain and restore knee function. Despite the recent advance and success in TKR operation, patellar resurfacing has been associated with an increase in complications at the patello-femoral joint, and hence revisions following TKR. Complicat

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Patel, Gauravkumar K. [Verfasser], Dario [Akademischer Betreuer] Farina, Dario [Gutachter] Farina, and Marcus [Gutachter] Baum. "Context- and Physiology-aware Machine Learning for Upper-Limb Myocontrol / Gauravkumar K. Patel ; Gutachter: Dario Farina, Marcus Baum ; Betreuer: Dario Farina." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2018. http://d-nb.info/1185168508/34.

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Moreira, Catarina Cunha. "Does thermal microhabitat variability modulate thermal stress responses? A study focusing on the physiology and behavior of Patella vulgata." Dissertação, 2015. https://repositorio-aberto.up.pt/handle/10216/81575.

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Moreira, Catarina Cunha. "Does thermal microhabitat variability modulate thermal stress responses? A study focusing on the physiology and behavior of Patella vulgata." Master's thesis, 2015. https://repositorio-aberto.up.pt/handle/10216/81575.

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Actas de conferencias sobre el tema "Patella Physiology"

Amirouche, Farid, Mark Gonzalez, Wayne Goldstein, Adam Derhake, Barbara Dudas, and Madhuri Tanushri. "Computer Modeling of the Patellofemoral Joint Instability: Patella Inherent Geometry Influence on Stress and Loading." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206885.

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Despite a large range of surgical options, treatment of patellofemoral instability continues to be a challenging clinical problem. Currently, there have been a number of computer models developed to try and better define the stabilizing forces about the patellofemoral joint. However, most of these studies have focused on patellofemoral contact pressures, omitting evaluation of patellar stability in the first 30° of knee flexion. The purpose of this study was to reconstruct a pathologic and normative patellar shape within a computer model based on previously described morphologic ratios. We the

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