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Gait asymmetry is associated with performance-based physical function among adults with lower-limb amputation.


ABSTRACT:

Background

Adults with lower-limb amputation walk with an asymmetrical gait and exhibit poor functional outcomes, which may negatively impact quality-of-life.

Objective

To evaluate associations between gait asymmetry and performance-based physical function among adults with lower-limb amputation.

Methods

A cross-sectional study involving 38 adults with a unilateral transtibial (N = 24; 62.5 ± 10.5 years) or transfemoral amputation (N = 14; 59.9 ± 9.5 years) was conducted. Following gait analysis (capturing step length and stance time asymmetry at self-selected (SSWS) and fast walking speeds (FWS)), participants completed performance-based measures (i.e. Timed Up and Go (TUG), the 10-Meter Walk Test (10mwt), and the 6-Minute Walk Test (6MWT)).

Results

Step length and stance time asymmetry (at SSWS and FWS) were significantly correlated with each performance-based measure (p < .001 to p = .035). Overall, models with gait measures obtained at SSWS explained 40.1%, 46.8% and 40.1% of the variance in TUG-time (p = .022), 10mwt-speed (p = .003) and 6MWT-distance (p = .010), respectively. Models with gait measures obtained at FWS explained 70.0%, 59.8% and 51.8% of the variance in TUG-time (p < .001), 10mwt-speed (p < .001), and 6MWT-distance (p < .001), respectively.

Conclusions

Increases in step length or stance time asymmetry are associated with increased TUG-time, slower 10mwt-speed, and reduced 6MWT-distance. Findings suggest gait asymmetry may be a factor in poor functional outcomes following lower-limb amputation.

SUBMITTER: Seth M 

PROVIDER: S-EPMC9013390 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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Publications

Gait asymmetry is associated with performance-based physical function among adults with lower-limb amputation.

Seth Mayank M   Coyle Peter C PC   Pohlig Ryan T RT   Beisheim Emma H EH   Horne John R JR   Hicks Gregory E GE   Sions Jaclyn Megan JM  

Physiotherapy theory and practice 20211017 13


<h4>Background</h4>Adults with lower-limb amputation walk with an asymmetrical gait and exhibit poor functional outcomes, which may negatively impact quality-of-life.<h4>Objective</h4>To evaluate associations between gait asymmetry and performance-based physical function among adults with lower-limb amputation.<h4>Methods</h4>A cross-sectional study involving 38 adults with a unilateral transtibial (N = 24; 62.5 ± 10.5 years) or transfemoral amputation (N = 14; 59.9 ± 9.5 years) was conducted. F  ...[more]

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