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The Correlation of Repeat Sprint Measures to Predicted VO2 in Recreationally Active College Age Males

Abstract

1Miltenberger, M., 2Zipp, G., 2Lombardi, V., 2Parasher, R., 1Davis, S., 1East Stroudsburg University, East Stroudsburg, PA, 2Seton Hall University, South Orange, NJ

Purpose: This study was designed to investigate the relationship between repeat sprint measures (peak sprint time, mean sprint time, fatigue index) and predicted VO2 (PVO2) calculated from the Queens College Step Test (QCT). Methods: Eighteen recreationally active male college students (Age 20.9 years ±1.5, Height 178.5cm ± 6.1, Mass 77.5 kg ± 9.8) volunteered to participate in this study. Each subject completed a repeat sprint protocol on an indoor track consisting of 12 x 30 meter sprints separated by 35 seconds of passive recovery. After a minimum of 48 hours subjects returned to complete a submaximal 3 minute step test consisting of 24 steps per minute. A 15 second recovery heart rate was recorded to determine PVO2. Relationships between sprint data (peak sprint time, mean sprint time, fatigue index) and PVO2 were established using Pearson Product Moment Correlations (SPSS version 20.0). Results: Statistical analysis revealed a significant negative relationship between mean sprint time and PVO2 (p=0.011, R= -0.586) suggesting that those subjects with higher aerobic ability or PVO2 would also have low mean sprint times. Correlations between peak sprint time and PVO2 as well as fatigue index and PVO2 failed to show statistical significance, p= 0.052 and p= 0.120 respectively. Conclusion: The findings of this study suggest that the QCT is a valid measure in the prediction of mean sprint ability. These results also provide further evidence to suggest that the aerobic energy system plays a key role in maintenance of performance across multiple sprint trials.

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