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Title: What is the relationship between lower body strength and gait following stroke?
Epworth Authors: Mentiplay, Benjamin
Williams, Gavin
Other Authors: Tan, Dawn
Pua, Yong-Hao
Adair, Brooke
Bower, Kelly
Clark, Ross
Keywords: Lower Body Strength
Gait Velocity
Walking Ability
Rehabilitation Programs
Lower Limb Muscle Groups
Joint Power Generation
Isometric Strength
Hand-Held Dynamometry
Fast Paced 10m Walk Test
Three-Dimensional Gait Analysis
Spearman's Correlations
Partial F-Test
Ankle Plantarflexors
Ankle Power Generation
Hip Flexors
Knee Extensors
Rehabilitation, Mental Health and Chronic Pain Clinical Institute, Epworth HealthCare, Victoria, Australia
Physiotherapy Department, Epworth Healthcare, Melbourne, Australia
Issue Date: Jun-2017
Citation: Epworth Research Institute Research Week 2017; Poster 28: pp 52
Conference Name: Epworth Research Institute Research Week 2017
Conference Location: Epworth Research Institute, Victoria, Australia
Abstract: INTRODUCTION/BACKGROUND: Despite the logical link between strength and walking ability, interventions which increase strength in people with neurological impairments have typically found little improvement in gait. This suggests that rehabilitation programs may not be targeting the ideal muscle groups. The aim of this study was to determine which lower limb muscle group had the strongest relationship with gait velocity and joint power generation during gait. METHOD: Sixty-three adults following stroke (age: 60 years, 34 male) were recruited in a multi-site, multi-national study. Isometric strength of seven lower limb muscle groups was assessed with hand-held dynamometry. Gait velocity was assessed with the fast paced 10m walk test. Three-dimensional gait analysis was performed in a sub-group of participants to examine joint power generation during gait. Associations between measures were assessed with Spearman's correlations and linear regression models were used to examine relationships. To statistically compare lower limb muscle groups, a partial F-test was used. RESULTS: The isometric strength of all seven lower limb muscle groups had a significant association with gait velocity (rho = 0.43-0.72, p<0.05). When comparing each muscle group, the ankle plantarflexors and hip flexors had the strongest relationship with gait velocity. Ankle plantarflexor isometric strength also had a significant association with ankle power generation during gait (rho = 0.75, p<0.05). The most commonly assessed and treated muscle group in prior studies, the knee extensors, had very weak to moderate associations with gait velocity and power generation ( rho = 0.07-0.54). CONCLUSION: The strength of the ankle plantarflexors and hip flexors had the strongest relationship with gait, and plantarflexor strength also had a significant relationship with ankle power generation during gait. Future research should examine how treatment of ankle plantarflexor and hip flexor strength impacts upon gait function after stroke.
Type: Conference Poster
Affiliated Organisations: Department of Physiotherapy, Singapore General Hospital, Singapore
School of Allied Health, Faculty of Health Sciences, Australian Catholic University, Melbourne, Australia
Faculty of Science, Health, Education and Engineering, University of Sunshine Coast, Sunshine Coast, Queensland, Australia
School of Physiotherapy, Faculty of Medicine, Denistry and Health Sciences, The University of Melbourne, Melbourne, Australia
Type of Clinical Study or Trial: Multicentre Studies
Appears in Collections:Neurosciences
Research Month

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