M.S. Ed. (Master of Education)
Department of Physical Education
Volleyball; Human mechanics
The purposes of this investigation were to compare the effect of spiking style on segmental contribution and to compare the effect of spiking style on velocity of the spiking hand at ball contact. A total of 15 subjects representing one university level and two AA level women's volleyball teams was used. The teams represented were Sports Performance Institute, Northern Illinois University, and the Roofing Consultants. The filming was performed at Northern Illinois University, DeKalb, Illinois in February 1984. All subjects were filmed from the front and side views simultaneously. Three styles of spiking (elevation, horizontal, and depression styles of backswing of the spiking arm) were examined using one type of set-up for spiking (the five-set). Groups of five subjects represented each of the three styles. The three best spikes were utilized to determine the subject's style of spiking from the front view films. The segmental contributions, using a modified summation of velocities method, and the total velocity of the hand at contact were determined from the side view films. The results of a 3 x 7 x 3 factorial design with two grouping factors and one repeating factor indicated that there was no significant difference between the three styles of spiking and the segmental percentages of contribution. The sequence of segmental contribution was as follows: spiker's run-up, hip rotation, trunk flexion, shoulder rotation, humeral extension, forearm extension, and wrist flexion.
Pavlacka, James Anthony, "A biomechanical analysis of selected spiking patterns used in volleyball" (1984). Graduate Research Theses & Dissertations. 46.
vii, 70 pages
Northern Illinois University
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