Shuttle Run And Performance In Aerobic And Anaerobic Capacities

Document Type

Conference Presentation

Department

Health, Exercise, and Sport Sciences Department

Conference Title

American College of Sports Medicine - Medicine & Science in Sports & Exercise conference

Organization

American College of Sports Medicine

Location

San Francisco, CA

Date of Presentation

5-27-2020

Journal Publication

Medicine & Science in Sports & Exercise

ISSN

0195-9131

DOI

10.1249/01.mss.0000670608.35074.72

Volume

52

Issue

7S

First Page

55

Abstract

Field hockey is a physiologically demanding sport with intermittent bouts of aerobic and anaerobic performance. The ability to assess player condition is vital to coaching success. In place of VO2,the 20-meter shuttle run test (SRT) is a common alternative for on field determination of a player's aerobic fitness. Limited data supports the relationship between shuttle run and anaerobic fitness in this population. PURPOSE: To determine the accuracy of a shuttle run test (SRT) as a predictor of field hockey performance. METHODS: We enrolled19 D1 field hockey players (18-22 years old) in an 11-week prospective study. Goalies and injured players were excluded from the study. A 6-week program prior to the study consisted of a 20m shuttle run during practice. Speed was gradually increased by 0.5 km/h at a time, each increase in running speed was coded as a change in level. A Polar Pro GPS/heart rate recorder (Polar Electro Inc. Bethpage, NY) recorded effort parameters during 43 practices. Data included time in heart rate (HR) zone 4 (80-89%) (sec), time in HR zone 5 (90-100%) (sec), percentage of HR max (%) total distance covered (m), distance/min (m/min), maximum speed (km/h), number of sprints (acceleration >1.9 m/s2), and distance in speed zone 5 (>19.00 km/h) (m). Bivariate correlations and linear regressions tested relationships between SRT and on-field performance. RESULTS: SRT was significantly related to total distance covered (r=0.090, p=0.022), distance per minute (r=0.112, p=0.004), maximum speed (r=0.097, p=0.013), distance in speed zone 5 (r=0.119, p=0.002), and number of sprints (r=0.188, p<0.001). No other relationships were detected. Better performance on the SRT corresponded to more (and more frequent) in-practice sprinting. CONCLUSION: Although the SRT may not provide a valid estimate of VO2 max, it is a valid predictor for many components of on-field performance. It associates with total distance, distance per minute, maximum speed, distance in speed zone 5, and number of sprints in collegiate field hockey players.

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