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Title: | Loaded and unloaded timed stair tests as tools for assessing advanced functional mobility in people with stroke | Authors: | Ng, SS Liu, TW Chen, P Lau, SY Lee, VC Leung, YC Ng, CK Suen, SM Wong, TW Xu, R Tse, MM Lai, CY |
Issue Date: | Feb-2023 | Source: | European journal of physical and rehabilitation medicine, Feb. 2023, v. 59, no. 1, p. 14-24 | Abstract: | BACKGROUND: The Timed Stair Test (TST) was originally designed to measure advanced functional mobility in patients who have undergone a total hip replacement. Its psychometric properties have not been examined systematically in people with stroke. AIM: The aims of this study were to: 1) determine the intra-rater reliability of TST under loaded and unloaded condition; 2) identify the minimal detectable changes (MDCs) in TST completion times; 3) investigate the concurrent validity between TST completion times and stroke-specific outcome measures; and 4) determine the cut-off TST completion time to differentiate the performance between people with stroke and healthy older adults. DESIGN: Cross-sectional study. SETTING: A university-based rehabilitation center. POPULATION: Ninety-four people with stroke and 34 healthy older adults. METHODS: TSTs were conducted under loaded and unloaded conditions. Two trials of the TST for each of the two conditions were performed on the same day. The Fugl-Meyer Assessment of Lower Extremity (FMA-LE), lower-limb muscle strength test assessed by a hand held dynamometer, Berg Balance Scale (BBS), Limit of Stability (LOS) Test, Timed Up and Go (TUG) Test, and the Cantonese version of the Community Integration Measure (CIM) were also used to assess the subjects. RESULTS: Excellent intra-rater reliability was demonstrated for TST completion times under loaded (intraclass correlation coefficient [ICC2,1]=0.991) and unloaded (ICC2,1=0.985) conditions. The MDCs in TST completion times were 6.55 seconds and 7.25 seconds under loaded and unloaded conditions, respectively. FMA-LE scores, mean strength of the affected-side dorsiflexors and plantar flexors, BBS scores, and LOS movement velocity and maximum excursion scores demonstrated fair to excellent negative correlations with TST completion times under both loaded (r=-0.314 to -0.786) and unloaded (r=-0.296 to -0.794) conditions. TUG results demonstrated good to excellent positive correlations with TST completion times under both loaded (r=0.875, P<0.001) and unloaded (r=0.872, P<0.001) conditions. The TST completion times of 26.3 seconds and 23.4 seconds under loaded and unloaded conditions, respectively, differentiated between people with stroke and healthy older adults. CONCLUSIONS: The TST is a reliable clinical tool for evaluating advanced functional mobility in people with stroke. CLINICAL REHABILITATION IMPACT: TST is a fast and simple test that does not require sophisticated equipment, making it suitable for busy hospital and rehabilitation settings. |
Keywords: | Arthroplasty Hip Recovery of function Replacement Stroke |
Publisher: | Edizioni Minerva Medica | Journal: | European journal of physical and rehabilitation medicine | ISSN: | 1973-9087 | EISSN: | 1973-9095 | DOI: | 10.23736/S1973-9087.23.07620-7 | Rights: | © 2022 THE AUTHORS This is an open access article distributed under the terms of the Creative Commons CC BY-NC-ND license which allows users to copy and distribute the manuscript, as long as this is not done for commercial purposes and further does not permit distribution of the manuscript if it is changed or edited in any way, and as long as the user gives appropriate credits to the original author(s) and the source (with a link to the formal publication through the relevant DOI) and provides a link to the license. Full details on the CC BY-NC-ND 4.0 are available at https://creativecommons.org/licenses/by-nc-nd/4.0/. The following publication Ng SS, Liu TW, Chen P, Lau SY, Lee VC, Leung YC, et al. Loaded and unloaded timed stair tests as tools for assessing advanced functional mobility in people with stroke. Eur J Phys Rehabil Med 2023;59:14-24 is available at https://doi.org/10.23736/S1973-9087.23.07620-7. |
Appears in Collections: | Journal/Magazine Article |
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