Data_Sheet_1_Whole-Body Vibration Exercise in Different Postures on Handgrip Strength in Healthy Women: A Cross-Over Study.PDF (221.76 kB)
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Data_Sheet_1_Whole-Body Vibration Exercise in Different Postures on Handgrip Strength in Healthy Women: A Cross-Over Study.PDF

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posted on 12.01.2021, 05:46 authored by Luciana M. M. Santos, Ana Carolina C. Oliveira, Sueli F. Fonseca, Angélica F. Silva, Joyce N. V. Santos, Ana Lúcia C. Souza, Jousielle M. Santos, Vanessa G. C. Ribeiro, Arthur N. Arrieiro, Ana Caroline N. Prates, Luana A. Soares, Pedro Henrique S. Figueiredo, Fábio Martins, Vanessa P. Lima, José Sebastião C. Fernandes, Mário Bernardo-Filho, Redha Taiar, Daniel T. Borges, Alessandro Sartorio, Henrique S. Costa, Hércules R. Leite, Vanessa A. Mendonça, Ana Cristina R. Lacerda
Objective

To compare the effect of Whole-Body Vibration Exercise (WBVE) applied in push-up modified and half-squat positions, on handgrip strength (HS) and on the electromyography registry (EMGrms) of the flexor digitorum superficialis muscle (FDSM) of the dominant hand.

Methods

Nineteen healthy women (age 23.40 ± 4.03 years, bodyweight: 58.89 ± 9.87 kg), performed in a randomized order five different tests: (S1) Control; (S2) Push-up modified; (S3) Push-up placebo; (S4); Half-squatting; (S5) Half-squatting placebo. The HS and the EMGrms were assessed at baseline and immediately after the tests. ANOVA two-way design mixed test, with Tukey post hoc, was used to evaluate the HS, EMGrms and the ratio between EMGrms and HS, i.e., neural ratio (NR). Thus, the lower NR represents the greater neuromuscular modifications. The statistical significance level was set up at p < 0.05.

Results

WBVE on S2 increased HS compared to the stimulus applied to the S4 (p = 0.0001). The increase in HS was associated with a reduction in the EMGrms of the FDSM (p < 0.001) and a lower NR (p < 0.0001), i.e., greater neuromuscular modifications, in the S2 compared to the S4 after the tests.

Conclusion

The distance of the stimulus and the positioning on the vibratory platform influence the maximum muscular strength due to neuromuscular modifications of hands in healthy women.

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