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Title: Effects of whole-body vibration under hypoxic exposure on muscle mass and functional mobility in older adults
Authors: Camacho-Cardenosa, Marta
Camacho-Cardenosa, Alba
Tomas-Carus, Pablo
Olcina, Guillermo
Timón, Rafael
Brazo-Sayavera, Javier
Keywords: vibration
physical performance
lean mass
Issue Date: 2019
Citation: Camacho-Cardenosa M, Camacho-Cardenosa A, Tomas-Carus P, Olcina G, Timón R, Brazo-Sayavera J. Effects of whole-body vibration under hypoxic exposure on muscle mass and functional mobility in older adults. Aging Clin Exp Res. 2019 Jun 24. doi: 10.1007/s40520-019-01246-y. [Epub ahead of print]
Abstract: Background Ageing is accompanied by a loss of muscle mass and function, which are associated with decrease of functional capacity. Combination of WBV training with normobaric hypoxic exposure could augment the beneficial effects due to synergic effects of both treatments. Aims The purpose of this study was to examine the effects of 36 sessions of the combined WBV training and normobaric hypoxic exposure on muscle mass and functional mobility in older adults. Methods Nineteen elderly people were randomly assigned to a: vibration normoxic exposure group (NWBV; n = 10; 20.9% FiO2) and vibration hypoxic exposure group (HWBV; n = 9). Participants developed 36 sessions of WBV training along 18 weeks, which included 4 bouts of 30 s (12.6 Hz in frequency and 4 mm in amplitude) with 60 s of rest between bouts, inside a hypoxic chamber for the HWBV. The “Timed Up and Go Test” evaluated functional mobility. Percentages of lean mass were obtained with dual-energy X-ray absorptiometry. Results Neither statistically significant within group variations nor statistically significant differences between both groups were detected to any parameter. Discussion Baseline characteristics of population, training protocol and the level of hypoxia employed could cause different adaptations on muscle mass and function. Conclusions The combination of WBV training and hypoxic exposure did not cause any effect on either legs lean mass or functional mobility of older adults.
Type: article
Appears in Collections:CICTS - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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