Journal
JOURNAL OF REHABILITATION MEDICINE
Volume 46, Issue 10, Pages 969-974Publisher
FOUNDATION REHABILITATION INFORMATION
DOI: 10.2340/16501977-1877
Keywords
stroke; balance; stepping; rehabilitation
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Funding
- Research Grants Council, Hong Kong [562413]
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Objective: (i) To investigate the intra-rater, inter-rater and test-retest reliability and minimal detectable change of the Alternate Step Test (AST) when assessing people with chronic stroke. (ii) To quantify the correlation between AST times and stroke-specific impairments. Design: Cross-sectional study. Setting: University-based rehabilitation centre. Participants: A convenience sample of 86 participants: 45 with chronic stroke, and 41 healthy elderly subjects. Methods: The AST was administered along with the Fugl-Meyer Lower Extremity Assessment (FMA-LE), the Five Times Sit-To-Stand Test (FTSTS), limits of stability (LOS) measurements, Berg Balance Scale (BBS) scores, Chinese-translated Activities-specific Balance Confidence Scale (ABC-C) ratings, and the Timed Up and Go test (TUG). Results: Excellent intra-rater, inter-rater and test-retest reliability were found, with a minimal detectable change of 3.26 s. AST times were significantly associated with FMA-LE assessment, FTSTS times, LOS in the forward and backward directions and to the affected side, BBS ratings and TUG times. Conclusion: AST time is a reliable assessment tool that correlates with different stroke-specific impairments in people with chronic stroke.
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