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Critical velocity as a measure of aerobic fitness in women's rugby sevens

  • A.C. C
  • J. P
  • B. R
  • et al.
ISSN: 1878-1861
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Abstract

Objectives: To compare a field-based critical velocity running test to routine laboratory (treadmill VO2 max test) and field-based (Yo-Yo intermittent recovery test, Yo-Yo IR1) aerobic fitness tests in women's rugby sevens (7's) players. To quantify the degree of association between field-based fitness test scores and GPS-derived analysis of performance data in competition. Design: Single cohort, cross-sectional study involving 22 female Australian Rugby 7's National team players. Methods: Players underwent fitness testing comparing the critical velocity test (100m, 400m, 1500m runs) to the Yo-Yo IR1 and a treadmill VO2 max test. GPS data was obtained during the National Championships using a subgroup of 12 players and compared with each player's fitness test scores. Results: The critical velocity test was highly correlated with the Yo-Yo IR1 test (r=0.86, 0.69-0.94; 90% confidence interval) and all variables of the VO2 max test, however mean values were substantially different between tests (Yo-Yo IR1: 4.3±0.1ms-1, vVO2 max: 3.7±0.3ms-1, critical velocity: 3.2±0.3ms-1). Average speed, obtained from GPS data, was largely correlated with both the Yo-Yo IR1 (r=0.62, 0.10-0.87) and critical velocity (r=0.51, -0.06-0.83) tests. Total game distance correlated moderately with the Yo-Yo IR1 (r=0.49, -0.09-0.82) and critical velocity (r=0.36, -0.25-0.76). Conclusions: The critical velocity test is an appropriate aerobic fitness test, yields results similar to the Yo-Yo IR1, and correlates moderately with rugby 7's game data. However the Yo-Yo IR1 and critical velocity test scores cannot be used interchangeably. © 2013 Sports Medicine Australia.

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APA

A.C., C., J., P., B., R., & D.B., P. (2014). Critical velocity as a measure of aerobic fitness in women’s rugby sevens. Journal of Science and Medicine in Sport, 17(1), 144–148. Retrieved from http://www.embase.com/search/results?subaction=viewrecord&from=export&id=L602166913 http://dx.doi.org/10.1016/j.jsams.2013.03.008 http://www.embase.com/search/results?subaction=viewrecord&from=export&id=L52545769

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