Journal
JOURNAL OF REHABILITATION RESEARCH AND DEVELOPMENT
Volume 48, Issue 3, Pages 267-275Publisher
JOURNAL REHAB RES & DEV
DOI: 10.1682/JRRD.2010.04.0066
Keywords
balance; comorbidity; functional walking capacity; lower limb; muscle strength; poststroke; six-minute walk test; spasticity; stroke; walking
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The purpose of this study was to estimate, using the Position-Specific Global Index (PSG1) of Lower-Limb Muscle Strength, the extent to which muscle strength is independently associated with functional walking capacity. We performed an observational, cross-sectional study with 63 patients poststroke (onset between 3 and 12 months) at a major teaching hospital in an urban Canadian city. We assessed functional walking capacity with the six-minute walk test (6MWT) and muscle strength with handheld dynamometry. We established the relationship between the lower-limb muscles and functional walking capacity with the PSGI. The PSGI explained 70% (p < 0.001) of the variability in the 6MWT, whereas the index of alternate against-gravity muscle strength explained 39% and the hip flexors in a supine position explained 51%.
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