Establishing a Predictive Equation for Anaerobic Capacity Utilizing the 300-yard Shuttle Field Test

Authors

Emma Thornton, Tarleton State UniversityFollow
Andrew A. Wolfe, Tarleton State UniversityFollow
Ruth Caddell, Tarleton State UniversityFollow
Cheyenne Lavender, Tarleton State UniversityFollow
Gillian Braden, Tarleton State UniversityFollow
Jackson Maynard, Tarleton State UniversityFollow
Chad Agor, Tarleton State UniversityFollow
Summer Reflogal, Tarleton State UniversityFollow

Abstract

Anaerobic capacity can be tested through the Running-based Anaerobic Sprint Test (RAST), Wingate test (gold standard), and the 300-yard shuttle. While each testing is recognized as a valid method of assessing anaerobic capacity, previous investigations found no significant correlation between Wingate test and time to completion of 300-yard shuttle test. The insignificant relationship found between the 300-yard shuttle times and the Wingate outputs insinuate a need for further research investigating the correlations between these two anaerobic tests. PURPOSE: The aim of this study was to determine the influence of 300-yard shuttle measures on anaerobic capacity obtained via the Wingate test. METHODS: Twenty-two Division I softball players (20.41 +1.50 yr) completed two anaerobic testing sessions. Session 1 consisted of the 30s all out Wingate test. Sessions 2 was completed 48 hours following session 1 and involved the performance of two 300-yard shuttle run tests separated with 5 minutes rest. The Wingate test data included: anaerobic peak power (PP), average power (AP), power drop (PD), power drop per second (PD/s), maximal speed (MS), and power at maximal speed (PMS). The recorded 300-yard shuttle measures were time and kinetic energy factor (K-factor) (new anaerobic variable) for both attempts, as well as average time and average K-factor. K-factor during the 300-yard shuttle was calculated by utilizing the mass of participants multiplied by speed (distance divided by time elapsed) squared. A backwards stepwise multiple linear regression was employed to examine the influence of 300-yard shuttle on anaerobic capacity measure obtained via Wingate test. RESULTS: Statistical analysis identified the second 300-yard shuttle attempt time (S300) predicting AP as the model of best fit, which S300 explaining 32.7% of the variance of AP; furthermore, generating the following predictive equation: AP = 9.91 – (.049 x S300). Secondly, 84.2% of the variance in PD was explained by Average K-factor (AKF), establishing PD = -.85 + (.098 x AKF) as a predictive equation. Lastly, AKF, also, predicted 84.3% of the variance in PD/s: PD/s = -.028 + (.003 x AKF). CONCLUSION: An aspect of these finding contradicted preview investigations, as the S300 was recognized as a significant predictor of AP, suggesting faster 300-yard shuttle performance may increase AP. The positive significant correlation between the AKF and Wingate PD and PD/s suggest higher AKF may influence greater measures of PD and PD/s. These finding appear to support that calculating K-factor provides a richer understanding of field tested (300-yard shuttle) anaerobic capacity.

Recommended Citation

Thornton, Emma; Wolfe, Andrew A.; Caddell, Ruth; Lavender, Cheyenne; Braden, Gillian; Maynard, Jackson; Agor, Chad; and Reflogal, Summer (2023) "Establishing a Predictive Equation for Anaerobic Capacity Utilizing the 300-yard Shuttle Field Test," International Journal of Exercise Science: Conference Proceedings: Vol. 2: Iss. 15, Article 74.
Available at: https://digitalcommons.wku.edu/ijesab/vol2/iss15/74