Effect of acute mild dehydration on cognitive-motor performance in golf

Smith, Mark F. and Newell, Alex and Baker, Mistrelle (2012) Effect of acute mild dehydration on cognitive-motor performance in golf. Journal of Strength and Conditioning Research, 26 (11). pp. 3075-3080. ISSN 1064-8011

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Full text URL: http://dx.doi.org/10.1519/JSC.0b013e318245bea7

Abstract

Whether mild dehydration (-1-3% ΔBM) impairs neurophysiological function during sportspecific
cognitive-motor performance has yet to be fully elucidated. To investigate this within a golfing context, seven low-handicap players (age: 21 ± 1.1yrs; mass: 76.1 ± 11.8kg; stature: 1.77 ± 0.07m; handicap: 3.0 ± 1.2) completed a golf-specific motor and cognitive performance task in a euhydrated (EC) and dehydrated (DC) condition (randomised counterbalanced design; 7 day interval). Dehydration was controlled using a previously effective 12- hour fluid restriction, monitored through body mass change (ΔBM) and urine colour assessment (UCOL). Mild dehydration reduced mean body mass by 1.5 ± 0.5% (P = 0.01), with UCOL increasing from 2 (EC) to 4 (DC) (P = 0.02). Mild dehydration significantly impaired motor performance, expressed as shot distance (114.6 vs. 128.6m; P < 0.001) and off target accuracy (7.9 vs. 4.1m; P = 0.001). Cognitive performance, expressed as mean error in
distance judgement to target increased from 4.1 ± 3.0m (EC) to 8.8 ± 4.7m (DC) (P < 0.001). Findings support previous research that indicates mild dehydration (-1-2% ΔBM) significantly impairs cognitive-motor task performance. This study is the first to show that mild dehydration can impair distance, accuracy and distance judgement during golf performance.

Item Type:Article
Additional Information:Whether mild dehydration (-1-3% ΔBM) impairs neurophysiological function during sportspecific cognitive-motor performance has yet to be fully elucidated. To investigate this within a golfing context, seven low-handicap players (age: 21 ± 1.1yrs; mass: 76.1 ± 11.8kg; stature: 1.77 ± 0.07m; handicap: 3.0 ± 1.2) completed a golf-specific motor and cognitive performance task in a euhydrated (EC) and dehydrated (DC) condition (randomised counterbalanced design; 7 day interval). Dehydration was controlled using a previously effective 12- hour fluid restriction, monitored through body mass change (ΔBM) and urine colour assessment (UCOL). Mild dehydration reduced mean body mass by 1.5 ± 0.5% (P = 0.01), with UCOL increasing from 2 (EC) to 4 (DC) (P = 0.02). Mild dehydration significantly impaired motor performance, expressed as shot distance (114.6 vs. 128.6m; P < 0.001) and off target accuracy (7.9 vs. 4.1m; P = 0.001). Cognitive performance, expressed as mean error in distance judgement to target increased from 4.1 ± 3.0m (EC) to 8.8 ± 4.7m (DC) (P < 0.001). Findings support previous research that indicates mild dehydration (-1-2% ΔBM) significantly impairs cognitive-motor task performance. This study is the first to show that mild dehydration can impair distance, accuracy and distance judgement during golf performance.
Keywords:Cognitive function, Dehydration, Motor performance, Golf
Subjects:C Biological Sciences > C600 Sports Science
Divisions:College of Social Science > School of Sport and Exercise Science
ID Code:4833
Deposited By: Mark F Smith
Deposited On:21 Dec 2011 21:35
Last Modified:05 Dec 2013 10:35

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