The Effect of Total Body Resistance Exercise on Mobility, Proprioception, and Muscle Strength of the Knee in People With Multiple Sclerosis
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Context: Muscle weakness and sensory deficits cause impaired balance and walking abilities that are prerequisites for independent activity of daily living in people with multiple sclerosis (MS). Recent physical exercises tailored to improve the activity of daily living people with MS have focused on the functional training. Objective: To investigate the effect of total body resistance exercise suspension training on mobility, proprioception, and muscle strength of the knee in people with MS. Design: Single-blind pretest and posttest control group design. Setting: Referral Center of Multiple Sclerosis Society. Participants: Thirty-four women with relapsing–remitting MS were participated in this study. The mean (SD) of their age was 36.44 (4.88) years, and the Expanded Disability Status Scale was 2.35 (0.94). The participants were divided into 2 groups: control group (n = 15) and training group (n = 19). Intervention: The training group performed the total body resistance exercise program for 8 weeks, 3 sessions per week. The control group received their usual care and daily activities. Outcomes were measured presessions and postsessions. Main Outcome Measures: Mobility was assessed with Timed Up and Go test, 10-m walk maximum test, 2 minute walk test, and 5-time sit-to-stand test. Knee proprioception absolute error and isometric strength of knee flexor and extensor muscles were measured by using a biodex isokinetic dynamometer. Results: In the training group, mobility (P = .001), maximal voluntary isometric contraction of knee flexor and extensor muscles in both legs (P > .05), and the knee proprioception absolute error in nondominant leg at 60° knee flexion (P = .02) improved significantly compared with the control group. Conclusion: Total body resistance exercise is a functional and safe intervention that can improve the mobility and muscles strength of the knee in a short period in people with MS.
Moghadasi and Ghasemi are with the Department of Sport Injuries and Corrective Exercises, Faculty of Sport Sciences, University of Isfahan, Isfahan, Iran. Sadeghi-Demneh is with the Department of Orthotics and Prosthetics, Musculoskeletal Research Center, Faculty of Rehabilitation Sciences, Isfahan University of Medical Sciences, Isfahan, Iran. Etemadifar is with the Department of Neurology, Medical School, Isfahan University of Medical Sciences, Isfahan, Iran.
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