Kinematic and Kinetic Analysis of the Overgrip Giant Swing on the Uneven Parallel Bars

in Journal of Applied Biomechanics
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Fifteen upper level USGF female gymnasts were filmed performing an overgrip giant swing on the uneven parallel bars. Based on judges' evaluations, the top 5 gymnasts were placed into a high-skill group and the bottom 5 gymnasts in a less skilled group. The groups were compared on selected kinematic and kinetic variables in the four quadrants of this skill. There were significant differences (p < .05) between the groups for the peak resultant linear velocity of the ankle and hip. There were also significant differences for several segmental velocities and accelerations (foot, shank, and arm). These differences indicate that the more highly skilled gymnasts were better able to produce faster moving body segments to perform the giant swing with less deviations in form. The faster moving segments were a result of successfully performing a “tap” during Quadrant 2. Gymnasts who were able to extend their hips quickly after clearing the low bar were in a position to accelerate their lower segments during Quadrant 3 by slightly piking at the hips.

W.A. Witten and C.X. Witten are with the Department of Health, Physical Education, Recreation and Dance, Eastern Michigan University, Ypsilanti, MI 48197. E.W. Brown and R. Wells are with the Department of Physical Education and Exercise Science, Michigan State University, East Lansing, MI 48824.

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