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Physical Qualities Pertaining to Shorter and Longer Change-of-Direction Speed Test Performance in Men and Women

1,*,†, 1,† and 2,†
1
Department of Kinesiology, California State University, Fullerton, CA 92831, USA
2
College of Nursing and Health Sciences, University of Colorado-Colorado Springs, Colorado Springs, CO 90022, USA
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Sports 2019, 7(2), 45; https://doi.org/10.3390/sports7020045
Received: 18 January 2019 / Revised: 5 February 2019 / Accepted: 15 February 2019 / Published: 16 February 2019
(This article belongs to the Special Issue Assessment and Development of Change of Direction Speed and Agility)
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Abstract

This study investigated relationships between shorter (505, change-of-direction (COD) deficit as a derived physical quality) and longer (Illinois agility test; IAT) COD tests with linear speed, lower-body power (multidirectional jumping), and strength in recreationally-trained individuals. Twenty-one males and 22 females (similar to collegiate club-sport and tactical athletes) were assessed in: 505 and COD deficit from each leg; IAT; 20 m sprint; vertical jump (VJ height, peak anaerobic power measured in watts (PAPw), power-to-body mass ratio); standing broad jump; lateral jump (LJ) from each leg; and absolute and relative isometric midthigh pull (IMTP) strength. Partial correlations calculated sex-determined relationships between the COD and performance tests, with regression equations calculated (p < 0.05). The 505 and IAT correlated with all tests except PAPw and absolute IMTP (r = ±0.43–0.71). COD deficit correlated with the LJ (r = −0.34–0.60). Left- and right-leg 505 was predicted by sex, 20 m sprint, and left-leg LJ (70–77% explained variance). Right-leg COD deficit was predicted by sex and left-leg LJ (27% explained variance). IAT was predicted by sex, 20 m sprint, right-leg LJ, and relative IMTP (84% explained variance). For individuals with limited training time, improving linear speed, and relative lower-body power and strength, could enhance shorter and longer COD performance. View Full-Text
Keywords: 505; agility; COD deficit; collegiate club-sport; Illinois agility test; isometric midthigh pull; linear speed; multidirectional jumping; power-to-body mass ratio; tactical athlete 505; agility; COD deficit; collegiate club-sport; Illinois agility test; isometric midthigh pull; linear speed; multidirectional jumping; power-to-body mass ratio; tactical athlete
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Lockie, R.G.; Post, B.K.; Dawes, J.J. Physical Qualities Pertaining to Shorter and Longer Change-of-Direction Speed Test Performance in Men and Women. Sports 2019, 7, 45.

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