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Title: Effect of hip flexibility on optimal stalder performances on high bar
Authors: Begon, Mickael
Hiley, Michael J.
Yeadon, Maurice R.
Keywords: Simulation
Passive torque
Issue Date: 2009
Publisher: © Taylor & Francis
Citation: BEGON, M., HILEY, M.J. and YEADON, M.R., 2009. Effect of hip flexibility on optimal stalder performances on high bar. Computer Methods in Biomechanics and Biomedical Engineering, 12 (5), pp.575-583.
Abstract: In the optimization of sports movements using computer simulation models, the joint actuators must be constrained in order to obtain realistic results. In models of a gymnast, the main constraint used in previous studies was maximum voluntary active joint torque. In the stalder, gymnasts reach their maximal hip flexion under the bar. The purpose of this study was to introduce a model of passive torque to assess the effect of the gymnast’s flexibility on the technique of the straddled stalder. A threedimensional kinematics driven simulation model was developed. The kinematics of the shoulder flexion, hip flexion and hip abduction were optimized to minimize torques for four hip flexion flexibilities: 100º, 110º, 120º and 130º. With decreased flexibility, the piked posture period is shorter and occurs later. Moreover the peaks of shoulder and hip torques increase. Gymnasts with low hip flexibility need to be stronger to achieve a stalder; hip flexibility should be considered by coaches before teaching this skill.
Description: This article was published in the journal, Computer Methods in Biomechanics and Biomedical Engineering [© Taylor & Francis] and the definitive version is available at: http://dx.doi.org/10.1080/10255840902788595
Version: Accepted for publication
DOI: 10.1080/10255840902788595
URI: https://dspace.lboro.ac.uk/2134/5916
ISSN: 1025-5842
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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