Özet:

The aim of this study was to examine the effects of acute vibration on the upper extremity in handball players on shot velocity and hit accuracy. 28 female handball players in the province of Kayseri playing handball under license in different clubs, with a mean age of control group (n = 14) 21.57 ± 1.91 years, and vibration group (n = 14) average age of 21.64 ± 1.91 years, participated voluntarily in the study. SPSS 22 package program was used for statistical analysis of the data. Since the data show normal distribution, paired-samples t-test and independent-samples t-test were used in the analysis of the data. There was no significant difference between the groups in the comparison of the age, sport age, height, BW and BMI variables of the vibration and control groups (p>0.05). When the 6 m and 9 m shooting velocity values of both groups were compared both within the group (pre-test/post-test) and between the groups (control-vibration), there was no significant difference in the rate of shot before and after vibration practices (p > 0.05). In the comparison of the 6m and 9m hit point values, another parameter of our study, a significant difference was found between the 6m hit point post-test value of the vibration group and the control group post-test value in favor of the vibration group (p < 0.05). No significant difference was found in other comparisons of the vibration and control groups (p > 0.05). According to the results of this study, it was determined that the 30 Hz frequency acute vibration protocol applied to the upper extremity in handball players produced a clinical increase in shot velocity and hit accuracy, but this increase was not statistically significant. Seeing different results in the literature suggests that more detailed research on vibration studies should be done.

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