Effect of resistive respiratory muscle training on fatigue, sleep, quality of life, physical activity, and self efficacy in individuals with multiple sclerosis
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Multiple Sclerosis (MS) can affect respiratory function as well as other health parameters such as fatigue, sleep, quality of life (QoL), self efficacy, physical activity and extended Activities of Daily Living (ADLs). The purpose of this study was to evaluate the changes in these variables after resistive respiratory muscle training (RRMT) on 11 participants with mild to moderate MS. Functional performance (timed stair climbing and six minute walk) testing and surveys about fatigue, sleep, QoL, self-efficacy, physical activity and extended ADLs were completed before and after the 5-week program. RRMT was completed 3 days/week, 30 minutes per session. The physical, cognitive and total scores of the Modified Fatigue Impact Scale, and role limitations due to physical and emotional health, and energy/fatigue subscales of the SF-36 showed significant changes after RRMT. Other variables showed a trend for improvement. These improvements may enhance the occupational role participation of individuals with MS.