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Lower extremity preventive measures for slips: joint moments and myoelectric analysis

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posted on 2016-05-11, 11:17 authored by Daniel FongDaniel Fong, Youlian Hong, Jing-Xian Li
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.

Funding

This study was financially supported by the Hong Kong Occupational Safety and Health Council.

History

School

  • Sport, Exercise and Health Sciences

Published in

Ergonomics

Volume

51

Issue

12

Pages

1830 - 1846

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.

Publisher

© Taylor & Francis

Version

  • AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2008

Notes

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.

ISSN

0014-0139

eISSN

1366-5847

Language

  • en

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