Over rough and smooth: Amputee gait on an irregular surface

Abstract When negotiating irregular surfaces, the control of dynamic stability is challenged. In this study, we compared the adjustments in stepping behaviour and arm-swing of 18 unilateral transtibial amputees and 17 able-bodied participants when walking on flat and irregular surfaces. Experimental...

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Published in:Gait & posture 2011-02, Vol.33 (2), p.292-296
Main Authors: Curtze, Carolin, Hof, At L, Postema, Klaas, Otten, Bert
Format: Article
Language:English
Subjects:
Adult
Aged
Amputee
Amputees
Arm-swing
Dynamic stability
Gait
Gait - physiology
Humans
Irregular surface
Lateral balance
Male
Middle Aged
Orthopedics
Postural Balance - physiology
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creator Curtze, Carolin
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description Abstract When negotiating irregular surfaces, the control of dynamic stability is challenged. In this study, we compared the adjustments in stepping behaviour and arm-swing of 18 unilateral transtibial amputees and 17 able-bodied participants when walking on flat and irregular surfaces. Experimental findings revealed that unilateral transtibial amputees reduced their gait velocity only slightly when walking on irregular surfaces. Analyses of the temporal gait characteristics, i.e. stride time, stance time, double-support time and step frequency, showed no statistically significant adjustments. Interestingly, the amputees did not increase the stability margins for lateral balance which were calculated based on the concept of the “extrapolated center of mass”. Furthermore, they did not increase their step width, which was already wide when walking on the flat surface. However, amputees did increase the lateral component of relative arm-swing velocity in order to walk stable on irregular surfaces.
doi_str_mv 10.1016/j.gaitpost.2010.11.023
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source ScienceDirect Freedom Collection 2022-2024
subjects Adult
Aged
Amputee
Amputees
Arm-swing
Dynamic stability
Gait
Gait - physiology
Humans
Irregular surface
Lateral balance
Male
Middle Aged
Orthopedics
Postural Balance - physiology
title Over rough and smooth: Amputee gait on an irregular surface
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