Dissertations / Theses on the topic 'Muscle activation pattern'
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Doede, Aubrey L. "Electromyographic Analysis of Trunk Muscle Activation During a Throwing Pattern Following Rotator Cuff Mobilization." Scholarship @ Claremont, 2010. http://scholarship.claremont.edu/cmc_theses/90.
Full textFung, Joyce. "The muscle activation and reflex modulation pattern during locomotion in normal and spastic paretic subjects." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39327.
Full textLucas, Karen Rae, and karen lucas@rmit edu au. "The Effects of Latent Myofascial Trigger Points on Muscle Activation Patterns During Scapular Plane Elevation." RMIT University. Health Sciences, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080408.144402.
Full textDavenport, Mary Jo. "The Effect of Sternocleidomastoid Muscle Activation Pattern and Feedback Condition on the Vestibular Evoked Myogenic Potential." Digital Commons @ East Tennessee State University, 2010. https://dc.etsu.edu/etd/1776.
Full textBURNS, Jack, and jack burns@ecu edu au. "Does training with PowerCranks(tm) affect economy of motion, cycling efficiency, oxygen uptake and muscle activation patterns in trained cyclists?" Edith Cowan University. Computing, Health And Science: School Of Exercise, Biomedical & Health Science, 2008. http://adt.ecu.edu.au/adt-public/adt-ECU2008.0017.html.
Full textBurns, Jack. "Does training with PowerCranks™ affect economy of motion, cycling efficiency, oxygen uptake and muscle activation patterns in trained cyclists?" Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2008. https://ro.ecu.edu.au/theses/17.
Full textHarischandra, Nalin. "Computer Simulation of the Neural Control of Locomotion in the Cat." Licentiate thesis, Stockholm : Numerisk analys och datalogi, Numerical Analysis and Computer Science, Kungliga Tekniska högskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4692.
Full textHovorka, Christopher Francis. "Influencing motor behavior through constraint of lower limb movement." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54903.
Full textKyle, Natasha Flemming. "Muscle activation patterns during gait initiation." Thesis, University of Ottawa (Canada), 2006. http://hdl.handle.net/10393/27147.
Full textGabriel, David Abraham. "Muscle activation patterns for goal-directed multijoint arm movements." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=28748.
Full textTo this end, six subjects performed goal-directed arm movements in the horizontal plane. Two movement amplitudes (300 mm and 400 mm) were completed at a moderate speed (1050 mm/s) and as-fast-as possible. The speed and amplitude conditions were repeated for the 45$ sp circ$ and 90$ sp circ$ movement directions. Finally, each of the movement conditions mentioned thus far, were performed within the right and left sections of the work-space. Surface electro-myographic activity was recorded from the pectoralis major, posterior deltoid, biceps brachii short head, brachioradialis, triceps brachii long head, and triceps brachii lateral head. Motion recordings were obtained with a spatial imaging system that monitored the positions of infrared emitting diodes attached to the subject's upper arm and forearm-hand complex.
Several simplification schemes were found to be operative at the level of the electro-myogram. These include: (a) simple timing relationships for agonists between joints and agonist/antagonist intermuscle latencies within each joint; (b) tightly coupled timing between agonists within a single joint; (c) for a particular movement direction, the form and shape of EMG burst activity followed a strategy associated with modulation of pulse height and width; (d) the slope, duration, and onset were further affected by the direction of hand movement which resulted in the greatest RMS-EMG signal amplitude, changing in a predictable manner, and finally (e) there was tuning in which elbow muscles were activated earlier for goal-directed arm movements in the left area of the work-space.
Smith, Nigel Anthony. "Oxygen consumption and muscle activation patterns during constant load exercise." Thesis, Queensland University of Technology, 2000. https://eprints.qut.edu.au/36769/1/36769_Digitised%20Thesis.pdf.
Full textKelson, Denean M. "Muscle Activation Patterns and Chronic Neck-Shoulder Pain in Computer Work." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/83759.
Full textMaster of Science
This study aims to assess the reliability of exposure variation analysis (EVA) to measure variation in trapezius muscle activity in healthy individuals during the performance of computer work, and to determine the extent to which healthy subjects differ from those with chronic pain in trapezius muscle activity patterns during computer work, measured using EVA. Muscle activation was recorded for eight healthy individual and five suffering from chronic neck-shoulder pain. The data were then categorized into amplitude and continuous time categories, and summary measures of resulting distributions were calculated. These measures were used to assess the reliability of participant responses to computer work of healthy individuals, as well as quantify differences between those with and without chronic pain. We found that individuals with pain activated their neck-shoulder muscles for longer continuous durations than healthy individuals, thus showing an inability to relax their muscles when performing work.
Sohn, Mark Hongchul. "Assessing functional stability of predicted muscle activation patterns for postural control using a neuromechanical model of the cat hindlimb." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42869.
Full textLockhart, Daniel Bruce. "Prediction of Muscle Activation Patterns During Postural Control Using a Feedback Control Model." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7280.
Full textStone, T. A. "Characteristics of muscle activation patterns at the ankle in stroke patients during walking." Thesis, Bournemouth University, 2006. http://eprints.bournemouth.ac.uk/10537/.
Full textSohn, Mark Hongchul. "A computational framework to quantify neuromechanical constraints in selecting functional muscle activation patterns." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53591.
Full textKoenig, Alexander C. "Simulation of agonist and antagonist muscle activation patterns in bidirectional postural perturbation in cats." Thesis, Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/11576.
Full textPoon, Wai Ming, and n/a. "Gait analysis of lumbar muscle activation patterns during constant speed locomotion using Surface Electromyography." RMIT University. Electrical and Computer System Engineering, 2009. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20090713.115553.
Full textMacrum, Elisabeth Corliss Padua Darin A. "The relationship between dorsiflexion range of motion and lower extremity movement patterns and muscle activation." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2008. http://dc.lib.unc.edu/u?/etd,1882.
Full textTitle from electronic title page (viewed Dec. 11, 2008). "... in partial fulfillment of the requirements for the degree of Master of Art in the Department of Exercise & Sport Science in the College of Arts & Sciences." Discipline: Exercise and Sports Science; Department/School: Exercise and Sport Science.
Crook, Tracy. "The functional anatomy of equine hind limb muscles and their activation patterns during different locomotor tasks." Thesis, Royal Veterinary College (University of London), 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.572457.
Full textBigham, Heather Jean. "Sex Differences in Lower Limb Muscle Activation Patterns in Participants with Knee Osteoarthritis and Healthy Controls." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32377.
Full textManeshi, Anali. "The effects of the menstrual cycle on muscle activation patterns and fuel utilization in cold exposure." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28413.
Full textWelch, Torrence David Jesse. "A feedback model for the evaluation of the adaptive changes to temporal muscle activation patterns following postural disturbance." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/29674.
Full textCommittee Chair: Ting, Lena; Committee Member: Chang, Young-Hui; Committee Member: Nichols, T. Richard; Committee Member: Schumacher, Eric; Committee Member: Thoroughman, Kurt. Part of the SMARTech Electronic Thesis and Dissertation Collection.
Zink, Cody J. "Lower Extremity Muscle Activation Patterns During the Propulsion Phase of a Single Limb Hop Task in Patients Following ACL Reconstruction and Healthy Controls." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo152546398384202.
Full textAlamro, Raid. "Trunk muscle activation patterns during walking with robotic exoskeletons in people with high thoracic motor-complete spinal cord injury." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61270.
Full textEducation, Faculty of
Kinesiology, School of
Graduate
Burns, Jack. "Does training with PowerCranks affect economy of motion, cycling efficiency, oxygen uptake and muscle activation patterns in trained cyclists?" Connect to thesis, 2008. http://adt.ecu.edu.au/adt-public/adt-ECU2008.0017.html.
Full textZajdman, Olivia. "An Investigation into the Sex Differences Between Older Adults with Osteoarthritis in Kinetics, Kinematics, and Muscle Activation Patterns During Squatting." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/35654.
Full textClarke, Krista L. "An electromyographic comparison of trunk muscle activation amplitudes and patterns associated with a lower abdominal exercise progression in healthy normal subjects." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ57217.pdf.
Full textRutherford, Derek. "Factors affecting knee joint muscle activation patterns during gait in individuals with knee osteoarthritis." Thesis, 2011. http://hdl.handle.net/10222/14410.
Full textmien, Huang-hsiang, and 黃湘棉. "The Relationship between Muscle Activation Pattern and Functional Impairment during Trunk Flexion and Recovery in Patients with Low Back Pain." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/71591190571234145666.
Full text國立體育學院
運動傷害防護研究所
92
Background and purpose: Previous studies revealed that deviated muscle activation pattern(MAP), such as various activation amplitudes of erector spinae, were existed in patients with low back pain(LBP)during end of saggital trunk flexion. In addition to amplitudes, the timing control of muscle activation also takes an important part in the motor control of muscles. This study compared the activation patterns in terms of activation and relaxation timing of selected muscles between healthy and chronic nonspecific LBP patients. For further investigating the meanings of deviated MAP, functional impairments and pain of LBP patients were also documented. Method: Six healthy (age=36.44±2.29y/o, 33.17~39.75y/o) and seven LBP patients(age=41.10±5.73y/o, 33~48.25y/o)were recruited. The subjects performed the trunk flexion to 70 degree and recovery movement. The surface electrodes were placed over muscles around trunk and pelvis to detect the changes of action potential as muscle timing control. The accelerometers were placed over T4, S2 and lateral-middle point of left thigh used to perform the changes of angle in trunk and hip joints. The modified Oswestry disability questionnaires and visual analog scales were been tested in each group to collect the disability index and pain intensity. Result: There were no significant differences of onset and offset time and its related trunk angle in all muscles between healthy and LBP group. During end of recovery phase, the offset time of erector spinae and hamstring muscles in LBP were both 400ms less than healthy group. The right gluteal maximus was significantly related to functional impairments(r=0.768, p<0.05)and right hamstring muscles was significantly related to pain degree(r=-0.826, p<0.05)in LBP group. Conclusion: This study investigated the parameters of the muscle activation pattern as time and its trunk angle. The data showed that there were no general deviated muscle activation patterns as timing existed in LBP patients. Then the meaningful correlation between MAP and functional impairments and pain degree in LBP group were not proved. Therefore we suggested the neuromuscular function of erector spinae and hamstring muscles should be further investigated.
Wu, Yu-Hsuan, and 吳昱璇. "A Comparison of Posterior Muscle Chain Activation Pattern during Uphill Walking in Adults With and Without Chronic Low Back Pain." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/91231734641381595875.
Full text高雄醫學大學
物理治療學系碩士班
105
Background and Purpose: Chronic low back pain(CLBP) is a common musculoskeletal disorders .Alterations in posterior muscle chain activation pattern may due to pain, including muscles amplitude、onset time and activation order. The purpose of this study was to investigate posterior muscle chain activation pattern during uphill walking on a treadmill in adults with and without chronic low back pain . Methods: Eighteen patients with CLBP and 18 healthy individuals walked on a treadmill at self-selected speed in four grades: 0%、5%、10% and 15% slope. Electromyography data of the latissimus dorsi , erector spinae, gluteus maximus, and biceps femoris were collected during walking using a surface electromyograph. Muscles activation order ,onset time, and amplitude were recorded in every trial. Results: There was no a consistent order of muscle activation between both groups in the investigated muscles(erector spinae, gluteus maximus, and biceps femoris; latissimus dorsi ,erector spinae and gluteus maximus) in this study. Although there was no significant difference in the onset times, amplitude for all investigated muscles between the two groups, there was a significant difference between the two groups for biceps femoris amplitude on 10% slope. Conclusions: A consistent order of muscle activation was not found in both healthy and CLBP subjects while walking on level and slopes. Further research needs to investigate relationship between the kinematics of the trunk and lower extremity and the muscle activation pattern.
Huang, Yi-Ming, and 黃奕銘. "The effect of agonist muscle fatigue in EMG activation pattern and the error of force generation while performing fast and slow isometric dorsiflexion." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/15707267570231102622.
Full text國立體育學院
教練研究所
92
In sports, we often need to overcome muscle fatigue to maintain the performance interact by agonist and antagonist muscle. It is important to solve the poor control of agonist-antagonist activity muscle after fatigue. The purposes of this study are to evaluate the effect of agonist muscle fatigue on the error of force control and investigate the change of ago-ant muscle relationship. Ten healthy subjects were recruited. The subject was instructed to perform fast and slow isometric ankle dorsiflexion to a target force level of 40% MVC. The MVC force, error of force generation, and EMG of tibialis anterior and soleus were recorded before and after voluntary isometric fatigue. The results revealed that following fatigue, the MVC of dorsiflexion decreased significantly (p<.0001). The error of force generation increased in both fast and slow contractions after fatigue, wherein, the amount of increasing is larger in fast contractions. The co-contraction time of EMG increased (p<.05) in slow movement but not in fast one. EMG activities of TA and SOL muscles increased after muscle fatigue at both speeds (p<.05). No triphasic EMG was found in our data. In conclusion, there was enough time in slow contractions to modify ago-ant control strategies which minimized the error of target setting. The increase of random error after fatigue could not be adjusted by ago-ant muscle control. In order to enhance performance in sports, coaches are suggested to re-educate ago-ant muscle control of fast movement after fatigue.
Chao, Li-Feng, and 趙立峰. "Muscle Activation Patterns of Forearm during Driving a Power Wheelchair." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/63704072128157745449.
Full text亞洲大學
創意商品設計學系
104
Power wheelchairs is available for cerebral palsy children to moving quickly reach the desired destination. Cerebral palsy children can not smooth control the wheelchair that due to the abnormal involuntary spasms and tension. The purpose of this study was used electromyographic (EMG) to assess the muscle activation patterns during driving the power wheelchair. We recruited a healthy individual in this evaluating examination. The evaluating examination were divided into a control group and the experimental group. As the control group, the subject was required to forward movement by controlling the wheelchair joystick; as the experimental group, the subject was required to backward movement, left turning, and right turning, respectively. The surface EMG was used to record the contraction of three right upper limbs muscles, including extensor carpi ulnaris (ECU), flexor carpi ulnaris (FCU), and flexor carpi radialis FCR). The results showed that the three right upper limb muscles profile a different activation patterns during driving a power wheelchair. The findings imply that the muscle sequence pattern can be used to profile the joystick control strategy in power wheelchairs.
Chow, Amy. "Investigation of Hand Forces, Shoulder and Trunk Muscle Activation Patterns and EMG/force Ratios in Push and Pull Exertions." Thesis, 2010. http://hdl.handle.net/10012/5551.
Full textDutto, Darren John. "Leg spring model related to muscle activation, force, and kinematic patterns during endurance running to voluntary exhaustion." Thesis, 1999. http://hdl.handle.net/1957/33158.
Full textSidorkewicz, Natalie. "Lumbar Spine and Hip Kinematics and Muscle Activation Patterns during Coitus: A comparison of common coital positions." Thesis, 2013. http://hdl.handle.net/10012/7332.
Full textLee, Chien-Tzu, and 李建慈. "Activation Patterns of Diaphragm and Sternocleidomastoid Muscle during Threshold Loaded Breathing in Patients with Chronic Obstructive Pulmonary Disease." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/6vmsnw.
Full text國立臺灣大學
物理治療學研究所
107
Background and purpose: Inspiratory muscle weakness has been shown in patients with chronic obstructive pulmonary disease (COPD), and inspiratory muscle training (IMT) is commonly applied to these patients. In healthy adults, the accessory inspiratory muscles would be recruited during IMT along with the primary inspiratory muscle. In patients with COPD, the activation patterns of diaphragm and accessory inspiratory muscles during threshold loaded breathing has not been investigated. Therefore, the purpose of this study was to exam diaphragm and sternocleidomastoid (SCM) activation using surface electromyography (EMG) during threshold loaded breathing with intensity of 30% and 50% maximal inspiratory pressure (PImax). Methods: This was a cross-sectional study. Patients with COPD diagnosis and a PImax lower than 60 cmH2O were recruited for the study. Surface EMG was used to measure the activation and the median frequency of diaphragm and SCM during quiet breathing, 30% and 50% PImax of threshold loaded breathing, and the first five minutes of recovery. Group-based trajectory modeling (GBTM) was used to identify diaphragm activation pattern across different breathing conditions. Generalized estimating equation (GEE) was then used to detect within and between differences of parameters among trajectory groups. Multiple regression analysis was used to identify factors associated with diaphragm and SCM activation. Significance p value was set at 0.05. Results: A total of 30 patients (25 males, 5 females) with COPD and a mean PImax of 46.7 (±13.3) cmH2O participated in this study. All patients demonstrated significant increases in diaphragm and SCM activation during 30% and 50% PImax of threshold loaded breathing compared to those of during quiet breathing (all p < 0.001), and the median frequency of diaphragm and SCM significantly decreased after both intensities of threshold loaded breathing (all p < 0.05). GBTM analysis identified two distinct patterns of diaphragm activation in response to threshold loaded breathing: low activation (n= 8) and high activation group (n= 22). Compared to high activation group, diaphragm activation and median frequency during quiet breathing and threshold loaded breathing were significantly lower in the low activation group (p < 0.05). Multiple regression analysis showed that the z-score of forced expiratory volume in one second to forced vital capacity ratio (FEV1/FVC z-score), diaphragm activation and median frequency during quiet breathing were associated with diaphragm activation during threshold loaded breathing, and only disease severity (z-score of forced expiratory volume in one second, FEV1 z-score) was associated with SCM activation during threshold loaded breathing. Conclusions: Diaphragm and SCM were activated to a greater extent in response to threshold loaded breathing in patients with COPD who had inspiratory muscle weakness. Diaphragm and SCM were fatigued after threshold loaded breathing. Furthermore, level of inspiratory muscle activation in response to threshold loaded breathing depended on their resting status. It is of clinical importance to find an optimal training strategy that would provide more benefit than harm when offering IMT for patients with COPD who have inspiratory muscle weakness.
Freeman, Stephanie. "Can Altering Hip Joint Fluid Volume and Intra-Capsular Pressure Influence Muscle Activation Patterns? Neuromuscular Implications on Clinical Practice." Thesis, 2011. http://hdl.handle.net/10012/5913.
Full textGreyling, Miemie. "Pelvic biomechanics and muscle activation patterns during non-weighted squats in U/19 university-level rugby union players / Miemie Greyling." Thesis, 2013. http://hdl.handle.net/10394/11552.
Full textMSc (Biokinetics), North-West University, Potchefstroom Campus, 2014
Meng-Zhe, Zhao, and 趙孟哲. "The kicking leg muscle’s EMG activation patterns during kicking towards different objects in penalty kick by using inside kick." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/38680230847934514410.
Full text國立臺灣師範大學
體育學系
103
In football, the most common way of shooting is by foot. Otherwise, the way of shooting can be divided into two patterns, which are full step kick and inside kick. As penalty kick always determinates the outcome of a game, Thus, how to raise the success rate of goal becomes an important issue. Therefore, most of the elite football players shoot by inside kick and aim the four corners of the goal, Even though the speed of the ball is not very fast, the player still can field the goal, which is hard for goal keeper to safe. But sometimes the players may miss the chance of fielding the goal, because of their muscle contract too excessive. The subjects of this study were eight colleage UFA 1 division players.The mark trajectories of body motion were collected by the VICON Motion Capture System(250Hz). Using Visaul 3D software to calculate the kinematic data.In the meanwhile, collecting the EMG data by Noraxon wireless EMG system(1500Hz)and also use HiSpec 4 high-speed video camara(500Hz) to record and calculate the data by MyoReserch XP Master Edition software. All the parameters were tested by Friedman two-way analysis of variance nonparametric statistical test by SPSS20.0, the significant level as α=.05.The results are:1.there is more hip joint angle flex when during accurate kick to the top target(target 1 and 3),and there is more knee joint angle flex during accurate kick to the top target(target 1 and 3) in the backswing.2.there is higher rectus femoris,vastus lateralis and,svastus medialis EMG activity during accurate kick to the top target(target 1 and 3).Suggestion: In this study, we found that the shooting action, in addition to the rectus femoris, vastus lateralis, vastus medialis and other large muscle groups, such as the anterior tibialis and gastrocnemius muscle and other smaller muscles will not only contract but also provide stability of ankle, and then increase the success rate of goal. Therefore this study may provide some data, to the coach or the players in order to use and understand of the characteristics of the site of muscle contraction, and then increase success rate of goal in penalty kick.