Internet-delivered lifestyle physical activity intervention improves body composition in multiple sclerosis: preliminary evidence from a randomized controlled trial

To examine the efficacy of a physical activity behavioral intervention for improving outcomes of body composition in persons with multiple sclerosis (MS). Secondary analysis of data from a randomized controlled trial. University research laboratory. Ambulatory persons with MS (N=82). A 6-month, inte...

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Vydáno v:Archives of physical medicine and rehabilitation Ročník 95; číslo 7; s. 1283
Hlavní autoři: Pilutti, Lara A, Dlugonski, Deirdre, Sandroff, Brian M, Klaren, Rachel E, Motl, Robert W
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States 01.07.2014
Témata:
Adult
Body Composition
Body Mass Index
Body Weights and Measures
Bone Density
Exercise
Female
Health Behavior
Health Promotion - methods
Humans
Internet
Life Style
Male
Middle Aged
Multiple Sclerosis - rehabilitation
Physical Therapy Modalities
Walking
Walking
Multiple sclerosis
Bone
Rehabilitation
Physical activity
Body composition
ISSN:1532-821X, 1532-821X
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Shrnutí:To examine the efficacy of a physical activity behavioral intervention for improving outcomes of body composition in persons with multiple sclerosis (MS). Secondary analysis of data from a randomized controlled trial. University research laboratory. Ambulatory persons with MS (N=82). A 6-month, internet-delivered physical activity behavioral intervention designed to increase lifestyle physical activity, primarily walking. The behavioral intervention was based on principles of social cognitive theory. Whole-body bone mineral content (BMC), bone mineral density (BMD), and soft tissue composition, using dual-energy x-ray absorptiometry. There were no significant differences between conditions posttrial on body composition outcomes using the adjusted critical value (P<.008). There was a significant effect of the intervention on whole-body BMC (P=.04, ω(2)<.001) and BMD (P=.01, ω(2)=.003) using the unadjusted critical value (P<.05). The effect of the intervention on percent body fat (P=.09, ω(2)=.001) and whole-body fat mass (P=.05, ω(2)=.003) approached significance using unadjusted criteria. There was not a significant effect on whole-body lean soft tissue (P=.28, ω(2)<.001) or body mass index (P=.86, ω(2)<.001). Our results provide preliminary evidence that an internet-delivered lifestyle physical activity intervention might improve bone health and body composition in MS. Such findings are important considering that physical activity is a modifiable behavior with the potential to confer long-term benefits for the prevention and management of fracture risk and comorbidities among those with MS.
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ISSN:1532-821X
1532-821X
DOI:10.1016/j.apmr.2014.03.015