Journal article
Gait velocity and joint power generation after stroke: contribution of strength and balance
American journal of physical medicine & rehabilitation, Vol.98(10), pp.841-849
2019
Abstract
Objective: To assess the degree to which isometric strength of multiple lower limb muscle groups and balance is associated with gait velocity and joint power generation during gait after stroke. Design: Sixty-three participants in a multi-site, multi-national cross-sectional, observational study underwent assessment of gait velocity (10m walk test), standing balance (computerised posturography), and isometric strength (hand-held dynamometry). Twenty-seven participants had joint power generation assessed (three-dimensional gait analysis). Bivariate associations were examined using Spearman's correlations. Regression models with partial F-tests were used to compare the contribution to gait between measures. Results: While all muscle groups demonstrated significant associations with gait velocity (rho = 0.40-0.72), partial F-tests identified that ankle plantarflexor and hip flexor strength made the largest contribution to gait velocity. Ankle plantarflexor strength also had strong associations with habitual and fast paced ankle power generation (rho = 0.65 and 0.75). Balance had significant associations with habitual and fast gait velocity (rho = -0.57 and -0.53), with partial F-tests showing the contribution was independent of strength. Conclusion: Ankle plantarflexor and hip flexor strength had the largest contribution to gait velocity. Future research may wish to refocus strength assessment and treatment to target the ankle plantarflexors and hip flexors.
Details
- Title
- Gait velocity and joint power generation after stroke: contribution of strength and balance
- Authors
- Benjamin Mentiplay (Author) - La Trobe UniversityGavin Williams (Author) - University of MelbourneDawn Tan (Author) - Singapore General Hospital, SingaporeBrooke Adair (Author) - Australian Catholic UniversityYong-Hao Pua (Author) - Singapore General HospitalChek Wai Bok (Author) - Singapore General Hospital, SingaporeKelly Bower (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringMichael H Cole (Author) - Australian Catholic UniversityYee Sien Ng (Author) - Singapore General Hospital, SingaporeLek Syn Lim (Author) - Singapore General Hospital, SingaporeRoss Clark (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
- Publication details
- American journal of physical medicine & rehabilitation, Vol.98(10), pp.841-849
- Publisher
- Lippincott Williams & Wilkins
- Date published
- 2019
- DOI
- 10.1097/PHM.0000000000001122
- ISSN
- 0894-9115
- Copyright note
- Copyright © 2019. This is a non-final version of an article published in final form in American Journal of Physical Medicine & Rehabilitation. 98(10):841-849, 2019. DOI: 10.1097/PHM.0000000000001122
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy; School of Health and Behavioural Sciences - Legacy; School of Health - Public Health
- Language
- English
- Record Identifier
- 99451258402621
- Output Type
- Journal article
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