Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18900
Title: Reliability and validity of alternate step test times in subjects with chronic stroke
Authors: Chung, MM
Chan, RW
Fung, YK
Fong, SS
Lam, SS
Lai, CW
Ng, SS 
Issue Date: 2014
Source: Journal of rehabilitation medicine, 2014, v. 46, no. 10, p. 969-974 How to cite?
Journal: Journal of rehabilitation medicine 
Abstract: 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.
URI: http://hdl.handle.net/10397/18900
ISSN: 1651-2081
DOI: 10.2340/16501977-1877
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