Five times sit-to-stand following stroke: Relationship with strength and balance |
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| Affiliation: | 1. La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Australia;2. School of Health and Sport Sciences, University of the Sunshine Coast, Australia;3. Department of Physiotherapy, The University of Melbourne, Australia;4. Department of Physiotherapy, Epworth Healthcare, Australia;5. Department of Physiotherapy, Singapore General Hospital, Singapore;1. Discipline of Physiotherapy, Faculty of Health Sciences, The University of Sydney, Sydney, Australia;2. Royal Prince Alfred Hospital, Sydney Local Health District, Sydney, Australia;3. Musculoskeletal Health Sydney, School of Public Health, The University of Sydney, Sydney, Australia;1. Faculty of Nursing, University of Alberta, Edmonton, Canada;2. Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada;3. Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Canada;4. School of Public Health, University of Alberta, Edmonton, Canada;5. CapitalCare, Edmonton, Canada;6. Alberta Health, Edmonton, Canada;7. Extendicare Canada, Edmonton, Canada;1. Physiotherapy Course, Department of Health Sciences, Rehabilitation and Functional Performance Program, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil;2. Department of Physiotherapy, Federal University of Sergipe (UFS), Lagarto, Brazil;3. Faculty of Physical Education and Physiotherapy, Federal University of Amazonas (UFAM), Manaus, Brazil;1. Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan;2. TOTO Ltd., 2-8-1 Honson, Chigasaki 253-8577, Japan;3. Laison Center for Innovative Dentistry, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan;4. Graduate School of Biomedical Engineering, Tohoku University, 2-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan;1. Discipline of Physiotherapy, Faculty of Health Sciences, The University of Sydney, Lidcombe, Australia;2. The School of Physiotherapy, Faculty of Health Sciences, Australian Catholic University, North Sydney, Australia;1. Department of Women’s and Children’s Health, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden;2. Royal Institute of Technology, KTH Mechanics, Stockholm, Sweden;3. Royal Institute of Technology, KTH BioMEx Center, Stockholm, Sweden;4. Gillette Children’s Specialty Healthcare, St Paul, MN, USA;5. Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA;6. Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN, USA |
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| Abstract: | BackgroundRising from a chair is an important functional measure after stroke. Originally developed as a measure of lower-limb strength, the five times sit-to-stand test has shown associations with other measures of impairment, such as balance ability. We aimed to compare strength and balance in their relationship with the five times sit-to-stand test following stroke.MethodsSixty-one participants following stroke were recruited from two hospitals in this cross-sectional observational study. Participants underwent assessment of the five times sit-to-stand (measured with a stopwatch), bilateral lower-limb muscle strength of seven individual muscle groups (hand-held dynamometry), and standing balance (computerised posturography). Partial correlations (controlling for body mass and height) were used to examine bivariate associations. Regression models with partial F-tests (including pertinent covariates) compared the contribution of strength (both limbs) and balance to five times sit-to-stand time.ResultsThe strength of the majority of lower-limb muscle groups (6/7) on the paretic side had a significant (P < 0.05) partial correlation with five times sit-to-stand time (r = -0.34 to -0.47) as did all balance measures (r = -0.27 to -0.56). In our regression models, knee extensor strength, total path length, and anteroposterior path velocity provided the largest contribution to five times sit-to-stand over covariates amongst strength and balance measures (R2 = 16.6 to 17.9 %). Partial F-tests revealed that both lower-limb strength and balance contribute to five times sit-to-stand time independent of each other. A regression model containing knee extensor strength and anteroposterior path velocity accounted for 25.5 % of the variance in five times sit-to-stand time over covariates.ConclusionsThe strength of the knee extensor muscle group along with measures of standing balance ability (total path length and anteroposterior path velocity) both independently contribute to five times sit-to-stand time. Further research is required to examine how other important impairments post stroke impact five times sit-to-stand performance. |
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| Keywords: | Chair rise Muscle strength Rehabilitation Brain injury |
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