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Title: Myoelectric stimulation on peroneal muscles resists simulated ankle sprain motion
Authors: Fong, Daniel Tik-Pui
Chu, Vikki Wing-Shan
Chan, Kai-Ming
Issue Date: 2012
Publisher: © Elsevier Ltd
Citation: FONG, D.T-P., CHU, V.W-S. and CHAN, K-M., 2012. Myoelectric stimulation on peroneal muscles resists simulated ankle sprain motion. Journal of Biomechanics, 45 (11), pp. 2055 - 2057.
Abstract: The inadequate reaction time of the peroneal muscles in response to an incorrect foot contact event has been proposed as one of the etiological factors contributing to ankle joint inversion injury. Thus, the current study aimed to investigate the efficacy of a myoelectric stimulation applied to the peroneal muscles in the prevention of a simulated ankle inversion trauma. Ten healthy male subjects performed simulated inversion and supination tests on a pair of mechanical sprain simulators. An electrical signal was delivered to the peroneal muscles of the subjects through a pair of electrode pads. The start of the stimulus was synchronized with the drop of the sprain simulator's platform. In order to determine the maximum delay time which the stimulus could still resist the simulated ankle sprain motion, different delay time were test (0, 5, 10, and 15. ms). Together with the control trial (no stimulus), there were 5 testing conditions for both simulated inversion and supination test. The effect was quantified by the drop in maximum ankle tilting angle and angular velocity, as determined by a motion analysis system with a standard laboratory procedure. Results showed that the myoelectric stimulation was effective in all conditions except the one with myoelectric stimulus delayed for 15. ms in simulated supination test. It is concluded that myoelectric stimulation on peroneal muscles could resist an ankle spraining motion.
Description: Closed access
Sponsor: This research project was made possible by the donation of The Hong Kong Jockey Club Charities Trust. It is a project of The Hong Kong Research Institute of Textiles and Apparel and is financially supported by the Innovation and Technology Fund from Innovation and Technology Commission, Hong Kong Special Administrative Region Government, Project number: ITP/017/ 10TP. The authors acknowledge Mr. Shee-Sun Chiu of Electronics Services Unit of The Chinese University of Hong Kong for his help to fabricate the myoelectric stimulation device.
Version: Published
DOI: 10.1016/j.jbiomech.2012.04.025
URI: https://dspace.lboro.ac.uk/2134/21983
Publisher Link: http://dx.doi.org/10.1016/j.jbiomech.2012.04.025
ISSN: 0021-9290
Appears in Collections:Closed Access (Sport, Exercise and Health Sciences)

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