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A Biomechanical Analysis of the Arm of the Standing Shot-Put Throw with Three Weights
This study analyzed the biomechanical parameters throwing-arm of elite shot putters' standing throws with three weights (8, 12 and 16 lbs.) to explore the movement patterns and the differences among those weights and to investigate the relationships between parameters and performances. Seven elite shot putters who have participated in national games served as subjects to perform the standing throws with three weights. Two Redlake high-speed cameras (125Hz) were genlocked to collect the motion data. There are significant differences in the average release velocity and maximal angular momentum of the forearm among three shot-put weights. Standing throw performances have significant correlations with the average velocity, and the wrist angle, velocity and acceleration at release. The throwing-arm patterns of standing shot-put throws with three different weights were generally similar. When throwing, shot putters should pay attention to the wrist joint at release, the flip motion of the hand, and the forearm movement in elbow joint stretching.
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