The Relationship of Maximal Leg Power and Swing Velocity in Collegiate Athletes
Miller, Ryan M.
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The purpose of this study was to evaluate the relationship between maximal leg power and swing velocity of each subject completed one assessment to determine anthropometric measures, vertical jump, and swing velocity. Subject (n=34) mean (±SD) age, height, and weight were 20.35years (±1.34), 176.84cm (±9.77), and 77.66kg (±13.92), respectively. Mean measures for baseball (n=17) and softball (n=17) were 20.65years (±1.22), 184.81cm (±4.07), 88.28kg (±9.83) and 20.06years (±1.43), 168.87cm (±6.74), 67.03kg (±7.96), respectively. Vertical jump means for total population, baseball, and softball were 41.50cm (±10.36), 49.89cm ± (6.05), and 33.11cm (±5.92), respectively. Swing velocity means were 33.98m/s (±4.93), 38.65m/s (±1.39), and 29.56m/s (±2.08), respectively. Pearson’s Correlation revealed a high (r=0.823), moderate (r=0.520), and non- (r=0.036) linear relationships for sample, baseball, and softball players when measuring the relationship of vertical jump and swing velocity. Coefficient of determination was also calculated for each group and were R2=0.677, 0.270, and 0.001, respectively. Statistical evaluation revealed a strong relationship between vertical jump and swing velocity in collegiate athletes.