Abstract
The vertical jump is a functional activity for sports performance. Different devices can measure and calculate vertical jump. The Vertec utilizes a jump and reach method. The jump mats calculate jump height by measuring air time. The purpose of this study was to examine the correlation between these two types of vertical jump height measurements. Also, to examine the effect of gender, height and weight may have on these measurements. A jump mat and Vertec were utilized at the student health fair of a state University in Florida. Seventy-six college students and faculty (57 males and 19 females) participated in the vertical jump height measurements. Subjects had a mean age of 21.86 ( ± 6.39) years, mean weight of 163.11 ( ± 35.39) pounds, and mean height of 69.20 ( ± 3.88) inches. When measuring vertical jump, each of these two measurement techniques provided a significant correlation when examining height, weight and sex as variables. Each variable had a significant correlation. Weight alone did not have an effect on the Pearson correlation between the devices (860). Height and weight combined reduced the correlation to 735. When testing individuals with varying heights and weights, the correlation between the devices decreased. For test retest, the same type of vertical jump height measuring device is recommended.
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