Abstract
The purpose of this study was to determine jump height and number of jumps during a five-set mock college men’s volleyball game using VERT, a jump measurement device. Results were as follows. 1) There was no significant difference in jump height between sets for SJ, TJ, and SPJ. For SJ and BJ, S and OH were significantly higher than MB. For each jump type, approximately 65% to 90% of jumps were at maximum height, suggesting that players did not always perform at maximum output. 2) The number of jumps per set was 12.7 - 16.3 times for OH, 18.5 - 23 times for MB, and 23 - 32 times for S in a 25-point match, and 14.7 times for OH, 15.5 times for MB, and 19 times for S in a 15-point match. 3) There was no drop in maximum reach or vertical jump height at the end of the sets.
Highlights
Height at the net is an advantage in the sport of volleyball because the game depends on being able to attack and defend against opponents over the net
1) There was no significant difference in jump height between sets for serve jump (SJ), toss jump (TJ), and spike jump (SPJ)
For SJ and block jump (BJ), S and outside hitter (OH) were significantly higher than middle blocker (MB)
Summary
Height at the net is an advantage in the sport of volleyball because the game depends on being able to attack and defend against opponents over the net. For the offensive technique of spiking and the defensive technique of blocking, jump height is an important factor in addition to the player’s height. Jump ability has been reported to have a significant impact on wins and losses (Fukuda et al, 1987; Kurokawa, 2000; Okano & Tanigawa, 2016). Height is clearly an important aspect of volleyball, and there have been several studies. Research trends are summarized below under the categories of jump height and number of jumps
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