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Title: Reliability of the 12-step ascend and descend test and its correlation with motor function in people with chronic stroke
Authors: Ng, SMS 
Ng, HH
Chan, KM
Lai, JC
To, AK
Yeung, CW
Issue Date: Feb-2013
Source: Journal of rehabilitation medicine, Feb. 2013, v. 45, no. 2, p. 123-129
Abstract: OBJECTIVE: To investigate: (i) the intra-rater, inter-rater and test-retest reliability of the 12-step stair test; (ii) its correlation with other stroke-specific impairments; and (iii) the cut-off scores that best discriminate patients with stroke from healthy elderly subjects.
DESIGN: Cross-sectional study.
Setting: University-based rehabilitation centre.
SUBJECTS: Thirty-five subjects with chronic stroke and 29 healthy elderly subjects.
METHODS: The 12-step ascend and descend test was administered along with the Fugl-Meyer Motor Assessment for the lower extremities (FMA-LE), hand-held dynamometer measurements of hip abductor and knee extensor muscle strength, the Five Times Sit to Stand Test (FTSTST), assessment using the Berg Balance Scale (BBS), activities-specific balance confidence scale (ABC) assessment, the 10-metre walk test, and the Timed “Up and Go” (TUG) test.
RESULTS: The 12-step ascend and descend test showed excellent intra-rater, inter-rater and test-retest reliability. The test was positively correlated with FTSTST times, gait velocity, and TUG times, and negatively correlated with FMA-LE scores and BBS scores. A test performance of 15.22 seconds or less was shown reliably to discriminate healthy elderly subjects from stroke survivors.
CONCLUSION: The 12-step ascend and descend test is a reliable clinical test that is inexpensive and easy to implement, and is useful for assessing the stair-walking ability of patients with chronic stroke.
Keywords: Stroke
Walking
Outcomes measures
Rehabilitation
Publisher: Foundation for Rehabilitation Information
Journal: Journal of rehabilitation medicine 
ISSN: 1650-1977
EISSN: 1651-2081
DOI: 10.2340/16501977-1086
Rights: © 2013 The Authors. Journal Compilation © 2013 Foundation of Rehabilitation Information.
The article is available at <http://www.medicaljournals.se/jrm/content/?doi=10.2340/16501977-1086>
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