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KMID : 1146820190210020001
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Asian Journal of Kinesiology
2019 Volume.21 No. 2 p.1 ~ p.7
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Utilization of the Speed?Effectiveness Index for Evaluating the Jump Performance of Female College Students in a Running-Long Jump PE Class
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Azuma Akihiro
Matsui Kazuhiro
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Abstract
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OBJECTIVES: This study investigated the speed?effectiveness index (SEI) profile for running long jump in female college students and its applicability in evaluating jump skill.
METHODS: Sixty-two female college students were chosen as subjects. First, a multiple regression analysis was performed by setting jump distance as the independent variable and height, weight, and 50-meter run time as dependent variables. The SEI was calculated as the ratio between the actual jump distance and estimated jump distance derived by substituting the subject’s 50-meter run time into a liner regression equation correlating 50-meter run time with an actual jump distance (based on all subjects).
RESULTS: The only significant regression coefficient was the 50-meter run (p < .05), which accounted for 59.5% of jump distance variance. The SEI, which refers to the effective (or ineffective) use of speed in jumping distance, is considered a normally distributed jump skill metric. Furthermore, no significant differences in physique were found between high-SEI (greater than or equal to 1) and low-SEI (below 1) groups.
CONCLUSIONS: The SEI could provide a relative evaluation of jumping performance depending on physical resources without consideration of physique.
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KEYWORD
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Jump distance, Physical resources, Relative evaluation, Sprint speed
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