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Journal Article

Citation

Sheehan RC, Gottschall JS. Appl. Ergon. 2012; 43(3): 473-478.

Affiliation

Department of Kinesiology, The Pennsylvania State University, 29 Recreation Building, University Park, PA 16802, USA.

Copyright

(Copyright © 2012, Elsevier Publishing)

DOI

10.1016/j.apergo.2011.07.004

PMID

21843878

Abstract

According to the CDC, falls are the leading cause of injury for all age groups with over half of the falls occurring during slope and stair walking. Consequently, the purpose of this study was to compare and contrast the different factors related to fall risk as they apply to these walking tasks. More specifically, we hypothesized that compared to level walking, slope and stair walking would have greater speed standard deviation, greater ankle dorsiflexion, and earlier peak activity of the tibialis anterior. Twelve healthy, young male participants completed level, slope, and stair trials on a 25-m walkway. Overall, during slope and stair walking, medial-lateral stability was less, anterior-posterior stability was less, and toe clearance was greater in comparison to level walking. In addition, there were fewer differences between level and stair walking than there were between level and slope walking, suggesting that at similar angles, slope walking has a greater fall risk than stair walking.


Language: en

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