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http://hdl.handle.net/10397/6448
Title: | Ankle dorsiflexion, not plantarflexion strength, predicts the functional mobility of people with spastic hemiplegia | Authors: | Ng, SMS Hui-Chan, CWY |
Issue Date: | 2013 | Source: | Journal of rehabilitation medicine, 2013, v. 45, no. 6, p. 541-545 | Abstract: | OBJECTIVE: To determine the relationships between affected ankle dorsiflexion strength, other ankle muscle strength measurements, plantarflexor spasticity, and Timed “Up & Go” (TUG) times in people with spastic hemiplegia after stroke. DESIGN: A cross-sectional study. Setting: A university-based rehabilitation centre. Participants: Seventy-three subjects with spastic hemiplegia. Main outcome measures: Functional mobility was assessed using TUG times. Plantarflexor spasticity was measured using the Composite Spasticity Scale. Affected and unaffected ankle dorsiflexion and plantarflexion strength were recorded using a load-cell mounted on a foot support with the knee bent at 50º and subjects in supine lying. RESULTS: TUG times demonstrated strong negative correlation with affected ankle dorsiflexion strength (r = –0.67, p ≤ 0.001) and weak negative correlations with other ankle muscle strength measurements (r = –0.28 to –0.31, p ≤ 0.05), but no significant correlation with plantarflexor spasticity. A linear regression model showed that affected ankle dorsiflexion strength was independently associated with TUG times and accounted for 27.5% of the variance. The whole model explained 47.5% of the variance in TUG times. CONCLUSION: Affected ankle dorsiflexion strength is a crucial component in determining the TUG performance, which is thought to reflect functional mobility in subjects with spastic hemiplegia. |
Keywords: | Stroke Ankles Walking Functional mobility Rehabilitation |
Publisher: | Foundation for Rehabilitation Information | Journal: | Journal of rehabilitation medicine | ISSN: | 1650-1977 | EISSN: | 1651-2081 | DOI: | 10.2340/16501977-1154 | Rights: | © 2013 The Authors. Journal Compilation © 2013 Foundation of Rehabilitation Information. |
Appears in Collections: | Journal/Magazine Article |
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