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Title: Lower extremity preventive measures for slips: joint moments and myoelectric analysis
Authors: Fong, Daniel Tik-Pui
Hong, Youlian
Li, Jing-Xian
Keywords: Electromyography
Slips and falls
Fall prevention
Joint torque
Issue Date: 2008
Publisher: © Taylor & Francis
Citation: FONG, D., HONG, Y. and LI, J., 2008. Lower extremity preventive measures for slips: joint moments and myoelectric analysis. Ergonomics, 51 (12), pp.1830-1846.
Abstract: This study investigated the lower extremity preventive measures for slips on simulated slippery surfaces in construction worksites. A total of 15 harnessed Chinese males walked without slips on a 5-m walkway in 16 simulated conditions 10 times at their natural cadence. Joint moments were calculated from kinetics, kinematics and anthropometric data recorded from a force plate, a Novel Pedar system and a motion analysis system. Data were evaluated from footstrike to mid-stance at 10%-stance intervals. Electromyography signals from tibialis anterior, gastrocnemius, rectus femoris and biceps femoris in one stride were evaluated in four phases, including early/late stance and swing. Results showed that lower extremity preventive measures for slips included prolonged ankle plantar flexion moments from 25% to 92% stance, increased ankle plantar flexion moments from 30% stance to mid-stance, and diminished knee extension moments from 10% to 30% stance. Higher activity of rectus femoris and gastrocnemius were found in the late stance and the swing phase respectively.
Description: This is an Accepted Manuscript of an article published by Taylor & Francis in Ergonomics on 05/02/2009, available online: http://dx.doi.org/10.1080/00140130701733301.
Sponsor: This study was financially supported by the Hong Kong Occupational Safety and Health Council.
Version: Accepted for publication
DOI: 10.1080/00140130701733301
URI: https://dspace.lboro.ac.uk/2134/21171
Publisher Link: http://dx.doi.org/10.1080/00140130701733301
ISSN: 0014-0139
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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