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Narrowing beam-walking is a clinically feasible approach for assessing balance ability in lower-limb prosthesis users.


ABSTRACT: OBJECTIVE:Challenging clinical balance tests are needed to expose balance deficits in lower-limb prost-hesis users. This study examined whether narrowing beam-walking could overcome conceptual and practical limitations identified in fixed-width beam-walking. DESIGN:Cross-sectional. PARTICIPANTS:Unilateral lower-limb prosthesis users. METHODS:Participants walked 10 times along a low, narrowing beam. Performance was quantified using the normalized distance walked. Heuristic rules were applied to determine whether the narrowing beam task was "too easy," "too hard," or "appropriately challenging" for each participant. Linear regression and Bland-Altman plots were used to determine whether combinations of the first 5 trials could predict participants' stable beam-walking performance. RESULTS:Forty unilateral lower-limb prosthesis users participated. Narrowing beam-walking was appropriately challenging for 98% of participants. Performance stabilized for 93% of participants within 5 trials, while 62% were stable across all trials. The mean of trials 3-5 accurately predicted stable performance. CONCLUSION:A clinical narrowing beam-walking test is likely to challenge a range of lower-limb prosthesis users, have minimal administrative burden, and exhibit no floor or ceiling effects. Narrowing beam-walking is therefore a clinically viable method to evaluate lower-limb prosthesis users' balance ability, but requires psychometric testing before it is used to assess fall risk.

SUBMITTER: Sawers A 

PROVIDER: S-EPMC6171346 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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Narrowing beam-walking is a clinically feasible approach for assessing balance ability in lower-limb prosthesis users.

Sawers Andrew A   Hafner Brian J BJ  

Journal of rehabilitation medicine 20180501 5


<h4>Objective</h4>Challenging clinical balance tests are needed to expose balance deficits in lower-limb prost-hesis users. This study examined whether narrowing beam-walking could overcome conceptual and practical limitations identified in fixed-width beam-walking.<h4>Design</h4>Cross-sectional.<h4>Participants</h4>Unilateral lower-limb prosthesis users.<h4>Methods</h4>Participants walked 10 times along a low, narrowing beam. Performance was quantified using the normalized distance walked. Heur  ...[more]

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