Journal of Exercise and Health Science

A Correlation Study between Body Mass Index and Force-Time Curve Variables in Jumping and Landing of Junior Volleyball Players

Document Type : Original Article

Authors

1 Department of sports Biomechanics, Central Tehran branch, Islamic Azad University, Tehran, Iran.

2 Department of Sports Biomechanics, Islamic Azad University of Central Tehran Branch, Tehran, Iran

3 Department of Sports Biomechanics, Central Tehran branch, Islamic Azad University, Tehran, Iran

Abstract
The study of force-time curve variables in different stages of jumping, considering the demographic characteristics, represent an outstanding indicator for an exclusive and comprehensive study of vertical jumping performance among elite youth volleyball players. So the aim of present study was to determine the correlation between BMI and force-time curve variables in jumping and landing of junior volleyball players. Twenty one junior male volleyball players were asked to perform maximal jump. The height and body mass of each players were considered as the body mass index. Also Force-Time Curve Variables of Jumping and landing were calculated directly form the force plate output. Pearson’s moment Coefficient was employed to investigate the correlation between Body mass index with force – Time variables during jumping and landing (p<0.05). The results showed there were significant correlations between BMI with Power Peak Concentric, Average Power Concentric, Maximum Landing Force, and Time to Peak Landing Force. Because BMI have the effects of mentioned variables, coaches and athletes can focus on them to control athletes' jump and landing performance.

Keywords

Journal of Exercise and Health Science
Volume 1, Issue 4
September 2021
Pages 19-34

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