The Effects of Aerobic and Localized Fatigue on Jump Shot Kinematics and Kinetics in Team Handball Players

Abstract

Team handball has become a very popular sport throughout the world and according to the International Handball Federation over 30 million athletes in 183 countries currently play the sport. The purpose of this project was to determine the influence of aerobic fatigue as well as localized fatigue on jump shot kinematics and kinetics. Pelvis rotation significantly decreased at MER following localized fatigue from -13.08° to -2.57°. At FC of the jump shot, significant differences were observed for pelvis lateral flexion, pelvis rotation, and trunk flexion. The pelvis was positioned with greater contralateral, lateral flexion following aerobic fatigue (-1.25 ± 3.41° to -3.39 ± 4.14°). Increased contralateral pelvis rotation was also observed in the jump shot following aerobic fatigue (-43.07 ± 12.92° to -50.79 ± 12.26°). Pelvis lateral flexion towards the contralateral side was also significantly greater at BR following aerobic fatigue (-21.90 ± 5.99° to -25.55 ± 7.79°). The trunk had greater flexion at FC following aerobic fatigue. Trunk rotation significantly increased from -6.80 ± 10.07° to -12.55 ± 10.97° at MER following fatigue. It is likely, that while few changes were observed in this study, cumulative fatigue would have a greater effect on range of motion, isometric strength, and the kinematics and kinetics of throwing in in team handball players than what was observed after a single bout of fatigue. If these fatiguing protocols were performed on consecutive days then more significant differences in jump shot kinematics would likely have been observed.