Physical activity is recommended in the management of individuals with metabolic
syndrome (MetS), and recent studies have suggested whole-body vibration exercise
(WBVe) for this population. The aim of this study was to evaluate the
functionality through the Short Physical Performance Battery (SPPB) in
individuals with MetS after WBVe. The SPPB evaluates the balance, the gait
speed, and the lower limb strength (five-chair stand [5CS] test). Forty-four
individuals with MetS were divided into WBVe (WBVeG) and control (CG) groups.
The individuals of the WBVeG performed 10 sessions of WBVe in an
oscillating/vibratory platform (OVP), barefoot, for 3 minutes at the
peak-to-peak displacements of 2.5, 5.0, and 7.5 mm, with a resting period of 1
minute (total time: 18 minutes/session). The frequencies ranged from 5 up to 14
Hz. The individuals of the CG performed all the steps of the study, but the OVP
was turned off. Before the first and after the tenth session, the individuals
performed the SPPB. Significant responses were found in the WBVeG, analyzing the
total score of the SPPB (P = .005), the balance test (P
= .01), the gait speed (P = .006), and the 5CS
test (P = .03), resulting in the improvement of the
functionality of individuals with MetS.
BackgroundMetabolic syndrome (MetS) is a cluster of metabolic abnormalities that increases the cardiovascular risk. Regular physical exercise can promote benefits, but the MetS individuals are demotivated to perform it. Thus, new possibilities are important as an alternative intervention. The whole-body vibration can be considered an exercise modality and would be a safe and low-cost strategy to improve functional parameters of individuals in different clinical conditions. The aim of this exploratory study was to assess effects of whole-body vibration on functional parameters of MetS individuals. The hypothesis of this work was that the whole-body vibration could improve the functionality of MetS individuals.MethodsTwenty-two individuals performed the intervention. The vibration frequency varied from 5 to 14 Hz and the peak-to-peak displacements, from 2.5 to 7.5 mm. Each session consisted of one minute-bout of working time followed by a one minute-bout of passive rest in each peak-to-peak displacement for three-times. The whole-body vibration protocol was applied twice per week for 5 weeks. Data from the trunk flexion, gait speed, sit-to-stand test and handgrip strength were collected. Physiological parameters (blood pressure and heart rate) were also evaluated. The Wilcoxon Rank test and Student t-test were used.ResultsNo significant changes (p > 0.05) were observed in physiological parameters (arterial blood pressure and heart rate). Significant improvements were found in trunk flexion (p = 0.01), gait speed (p = 0.02), sit-to-stand test (p = 0.005) and handgrip strength (p = 0.04) after the whole-body vibration.ConclusionsIn conclusion, whole-body vibration may induce biological responses that improve functional parameters in participants with MetS without interfering in physiological parameters, comparing before and after a 5-week whole-body vibration protocol.Trial registrationRegister in the Registro Brasileiro de Ensaios Clínicos (ReBEC) with the number RBR 2bghmh (June 6th, 2016) and UTN: U1111–1181-1177. (virgula).
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