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- Title
Relationship between muscle strength and functional walking capacity among people with stroke.
- Authors
Moriello, Carolina; Finch, Lois; Mayo, Nancy E.
- Abstract
The purpose of this study was to estimate, using the Position-Specific Global Index (PSGI) 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%.
- Subjects
QUEBEC (Province); STRIATED muscle physiology; ACADEMIC medical centers; ANALYSIS of variance; CONFIDENCE intervals; DIAGNOSIS; POSTURAL balance; EXERCISE tests; FISHER exact test; GAIT in humans; LEG; MUSCLE contraction; MUSCLE strength; PROBABILITY theory; REGRESSION analysis; SCALE analysis (Psychology); SPASTICITY; WALKING; COMORBIDITY; CEREBROVASCULAR disease patient rehabilitation; CROSS-sectional method
- Publication
Journal of Rehabilitation Research & Development, 2011, Vol 48, Issue 3, p267
- ISSN
0748-7711
- Publication type
Article
- DOI
10.1682/JRRD.2010.04.0066