What is the Effect of Whole Body Vibration on the Handgrip Strength of Soldiers?

Research Paper Title

Effects of Whole Body Vibration Intervention on Handgrip Strength of Brazilian Healthy Soldiers.

Background

Whole body vibration (WBV) exercises have been investigated as an alternative and complementary method to traditional resistance programs for fitness improvements in healthy subjects. Active militaries must have a high fitness level and have to improve some physical abilities to accomplish some specific tasks in Army, as climb ropes, climb walls and pull-ups (heaves).

Methods

Seven young and healthy soldiers from the Brazilian Army were exposed to mechanical vibration in a push-up (press-up) position, with different frequencies, as 25 (first session), 30 (second session), 35 (third session), 40 (fourth session) and 45 Hz (fifth session). The WBV intervention consisted of five WBV sessions over a consecutive two and a half-weeks period of time. A WBV session consisted of twenty bouts, each one with 10- second vibration, interspersed with 10 seconds of passive rest and 4 minutes pause after the first 10 bouts. Handgrip strength was measured, as proposed by American Society of Hand Therapists (ASHT), before and after the session using 25 Hz of frequency and 45 Hz of frequency (1st and 5th sessions).

Results

No significant results were found between groups.

Conclusions

Intervention of WBV exercises with 25 and 45 Hz of frequency applied by hands of healthy and young soldiers had no significant results. Further investigations should focus on the efficacy of WBV in the improvement of handgrip strength of young and healthy people.

Reference

Morel, D.S., Moreira-Marconi, E., Neto, S.B.S, Domingos, L.L.P., Souza, P.L., Caputo, D., Costa, G.D., de Figueiredo, C.F., Carmo, R.C.R., de Paiva, P., Gonçalves, C.R.S., Kütter, C.R., de Aguiar, E. & Bernardo-Filho, M. (2017) Effects of Whole Body Vibration Intervention on Handgrip Strength of Brazilian Healthy Soldiers. African Journal of Traditional, Complementary and Alternative Medicine. 14(4 Suppl), pp.28–32. Published online 2017 Jul 7. doi: 10.21010/ajtcam.v14i4S.4.

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