تاثیر چهار هفته بی‌تمرینی پس از دوازده هفته تمرین منظم بر برخی شاخص های آنتروپومتریک و عملکرد جسمانی زنان والیبالیست مقاله

چکیده:

Introduction and purpose: As exercise training, had led to improvement of physical fitness and physiologic adaptations in body, the loss of physical fitness after cessation exercise, is not unexpected. Therefore, the aim of this study was to comparing 4 weeks of detraining after 12 weeks of regular exercise on composition anthropometrics indexes, speed, agility and muscle power of women volleyball players.Materials and Methods: In this Quasi-experimental research, among the female volleyball players of Semnan city who were members of the super and the first division league, 24 people voluntarily chose and participated in the research. After 12 weeks of regular training and participating in season competitions and the following 4 weeks of detraining (competition season holiday and at the time as same as Nowruz holidays), was measurement of circumference of waist circumference, hips, legs, 20 meters run, Illinois, and Sargent's jump, respectively, were performed to measure the anthropometrics indexes, speed, agility, and muscle power of the subjects. Data analysis was performed using descriptive statistics and paired sample t-test at a significance level of p˂0.05.Results: The results of the present study showed that 4 weeks of detraining caused a significant decrease in the agility (P=0.001) and muscle power (P=0.005) of the subjects. The size of the circumference of the organs and the speed of the subjects were also observed to decrease, but it was not significant.Discussion and Conclusion: Based on the findings of the research, 4 weeks of detraining caused drop in the performance and anthropometrics indexes of female volleyball players. Therefore, attention to the detraining and designing programs suitable for the off-season in order to prevent the effects of detraining could greatly help coaches and athletes to maintain physical fitness due to training, and avoid the negative effects of detraining.