The purpose of this study was to investigate variability in overarm throwing kinematics with different wearable resistance conditions in handball players as increased variability was expected when testing throwing under new conditions (wearable resistance). Thirteen female handball players performed ten standing throws each under three conditions: normal throws, with light wearable resistance (LW) and heavy wearable resistance (HW), while 3D kinematic data of joint angles and angular velocities were measured with a camera-based motion capture system. The main findings in this study were that variability for all parameters, except a significant lower maximal angular velocity in the high weight condition, compared to the no weight condition, did not differ between the three conditions. It was concluded that wearable resistance had no effect upon variability.
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