The role of the trunk control in athletic performance of a reactive change-of-direction task

Edwards, Suzi and Austin, Aaron and Bird, Stephen P. ORCID: https://orcid.org/0000-0002-5607-3829 (2017) The role of the trunk control in athletic performance of a reactive change-of-direction task. Journal of Strength and Conditioning Research, 31 (1). pp. 126-139. ISSN 1064-8011

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Abstract

Agility is vital to success in team sport competition with the trunk argued to play a key role in sport performance. This study explored the role of trunk control during a reactive change-of-direction task (R-COD) and field-based measures of athletic performance. Twenty male players completed field-based athletic performance assessments (modified Illinois agility test (mIAT), and three repetition maximum back squat (3RM)), and five countermovement jumps (CMJ) and R-CODs during which, three-dimensional ground reaction forces (GRF) and kinematics were recorded. Trunk control was assessed as the sum of the trunk relative to the pelvis range of motion in all three plane during the R-COD. Participants with the highest (HIGH; n = 7) and lowest (LOW; n = 7) trunk range of motion values were grouped. The HIGH group achieved significantly shorter mIAT time duration, higher CMJ height, and lower knee flexion angles, greater trunk lateral flexion and rotation relative to pelvis, and greater angular momentum during the R-COD compared with the LOW group. Superior athletic performance was associated with decreased trunk control (high trunk range of motion) during the R-COD. Whilst this study suggesting that trunk control is a vital component of performance, it is unknown whether this trunk control is inherent or an effect of training history, nor does not support current optimal athletic performance recommendation of decrease trunk motion during R-COD.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Faculty/School / Institute/Centre: Current - Faculty of Health, Engineering and Sciences - School of Health and Wellbeing (1 Jan 2015 -)
Faculty/School / Institute/Centre: Current - Faculty of Health, Engineering and Sciences - School of Health and Wellbeing (1 Jan 2015 -)
Date Deposited: 13 Aug 2020 02:12
Last Modified: 11 Sep 2020 02:28
Uncontrolled Keywords: sidestepping, biomechanics, lumbopelvic, agility
Fields of Research (2008): 11 Medical and Health Sciences > 1106 Human Movement and Sports Science > 110603 Motor Control
11 Medical and Health Sciences > 1106 Human Movement and Sports Science > 110601 Biomechanics
Socio-Economic Objectives (2008): E Expanding Knowledge > 97 Expanding Knowledge > 970111 Expanding Knowledge in the Medical and Health Sciences
Identification Number or DOI: 10.1519/JSC.0000000000001488
URI: http://eprints.usq.edu.au/id/eprint/39099

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