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Sports 2018, 6(2), 30; https://doi.org/10.3390/sports6020030

Relationships between Linear Speed and Lower-Body Power with Change-of-Direction Speed in National Collegiate Athletic Association Divisions I and II Women Soccer Athletes

1,†,* , 2,†
and
3,4,†
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 80918, USA
3
Health and Human Performance, George Mason University, Manassas, VA 20110, USA
4
Center for Sports Performance, George Mason University, Fairfax, VA 22030, USA
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 9 January 2018 / Revised: 28 March 2018 / Accepted: 2 April 2018 / Published: 4 April 2018
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Abstract

This study investigated relationships that linear speed and lower-body power have on change-of-direction (COD) speed in collegiate women soccer players. Data from two Division I (n = 39) and one Division II (n = 18) schools were analyzed. Subjects were assessed in: power (vertical jump (VJ); jump height, peak anaerobic power measured in watts (PAPw), power-to-body mass ratio (P:BM); linear speed (10-m sprint); and COD speed (modified T-test (MTT), 505, COD deficit). Independent samples T-tests derived significant between-group differences, with effect sizes (d) calculated. Pearson’s correlations determined relationships between COD speed, linear speed, and power, with regression equations calculated. Division I players demonstrated superior 505, COD deficit, VJ height, PAPw, and P:BM (d = 1.09–2.21). Division II players were faster in the MTT (d = 1.51). For all players, the 505 correlated with the 10-m sprint (r = 0.39–0.53) and VJ height (r = −0.65–0.66), while the COD deficit related to the 10-m sprint (r = −0.77–0.82). The regression data supported these results. Division I players were superior in the 505 and COD deficit, and expressed their power in the 180° 505 task. Division II players should enhance lower-body power and the ability to perform 180° direction changes. View Full-Text
Keywords: 10-m sprint; 505; agility; football; COD deficit; females; modified T-test; peak anaerobic power measured in watts; power-to-body mass ratio; vertical jump 10-m sprint; 505; agility; football; COD deficit; females; modified T-test; peak anaerobic power measured in watts; power-to-body mass ratio; vertical jump
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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.; Dawes, J.J.; Jones, M.T. Relationships between Linear Speed and Lower-Body Power with Change-of-Direction Speed in National Collegiate Athletic Association Divisions I and II Women Soccer Athletes. Sports 2018, 6, 30.

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