Persons with Multiple Sclerosis Exhibit Strength Asymmetries in both Upper and Lower Extremities

To characterize strength asymmetries in the upper and lower extremities in persons with multiple sclerosis (PwMS) with severe disability, and examine associations between asymmetries and functional, symptomatic, and participatory outcomes. Cross-sectional. University research laboratory. 25 PwMS wit...

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Bibliographic Details
Published in:Physiotherapy 2021-06, Vol.111, p.83-91
Main Authors: Farrell, John W., Motl, Robert W., Learmonth, Yvonne C., Pilutti, Lara A.
Format: Article
Language:English
Subjects:
asymmetry
multiple sclerosis
muscle strength
muscle weakness
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Summary:To characterize strength asymmetries in the upper and lower extremities in persons with multiple sclerosis (PwMS) with severe disability, and examine associations between asymmetries and functional, symptomatic, and participatory outcomes. Cross-sectional. University research laboratory. 25 PwMS with Expanded Disability Status Scale scores between 6.0-8.0. Bilateral strength and asymmetry scores for muscle groups at the ankle, knee, and shoulder joints in addition to grip strength. Significant differences were observed between all contralateral strength measures, with asymmetry scores ranging between 20-32%. A high prevalence of asymmetry (i.e., score>10%) was observed for all strength measures, with 92% of participants having four or more affected measures. Significant associations were observed between dorsiflexion asymmetry and physical health-related quality of life (ρ= -0.69; p
ISSN:0031-9406
1873-1465
DOI:10.1016/j.physio.2020.07.006