Abstract
The purpose of the study was to investigate the effect of an 8-week whole-body vibration intervention program on muscular strength of upper extremities. Twenty-four physical educations participated in this study. Participants were separated in two equal group; the experimental group (EG), and the control group (CG). Before the inception of the intervention program all participants were evaluated with random order in the a) the circumference of each arm, b) the number of push-ups; c) grip strength; d) chest medicine ball throw and immediately after the end of intervention program and two days after. Participants applied a total of 24 sessions, three times per week at the same time of the day. The frequency and amplitude of the vibration platform were 35 Hz and 2 mm, respectively. The intervention program consisted of three different exercises which each had duration of 30 sec. A 30 sec rest was mediated between each trial and a 2 min time interval between exercises in order to avoid the fatigue effect. No significant interaction effect was found for the examined upper extremities variables (p < .05). Furthermore, no significant time and no group effect were found also (p < .05). Paired t-test comparisons revealed significant post differences in comparison to baseline values on medicine ball throw and left arm circumference. According to the results, EG showed a statistically significant improvement in medical ball throw and in left hand circumference, while improvement was also found in the other parameters considered.
 
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Highlights
IntroductionIn the study by Morel et al (2017) authors examined the effect of vibration on handgrip strength on young soldiers who performing push-ups on the vibratory platform
The purpose of this study was to examine the effect of an 8-week Whole Body Vibration (WBV) program on upper extremities parameters
A significant improvement was found for the medicine ball throw in the EG which improve the baseline values by 5.29% in contrast to CG which reported a slight reduction by 2.06%
Summary
In the study by Morel et al (2017) authors examined the effect of vibration on handgrip strength on young soldiers who performing push-ups on the vibratory platform. According to the results no significant improvement was found after vibrational intervention protocols. To the author’s knowledge there are no other studies that investigate the effect of vibration intervention on upper extremities muscular strength. The purpose of the study was to examine the effect of 8-week whole-body vibration protocol on upper limbs parameters on physical education students. It was hypothesized that a significant difference will be found after the application of WBV protocol
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