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Combined carbohydrate and protein ingestion during Australian Rules football matches and training sessions does not reduce fatigue or accelerate recovery throughout a week-long junior tournament

Lee, NA, Fell, JW ORCID: 0000-0001-6094-9865, Pitchford, NW, Hall, AH, Leveritt, MD and Kitic, CM ORCID: 0000-0001-9866-5665 2017 , 'Combined carbohydrate and protein ingestion during Australian Rules football matches and training sessions does not reduce fatigue or accelerate recovery throughout a week-long junior tournament' , Journal of Strength and Conditioning Research , doi: 10.1519/JSC.0000000000001827.

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Abstract

Australian Rules football (ARF) is a physically demanding sport that can induce high levels of fatigue. Fatigue may be intensified during periods where multiple matches are played with limited recovery time. Combined carbohydrate and protein (CHO+PRO) intake during physical activity may provide performance and recovery benefits. The aim of this study was to investigate whether CHO+PRO ingestion during ARF matches and training sessions throughout a tournament would enhance performance or recovery in comparison to CHO-only ingestion. ARF players (n=21) competing in a 7-day National tournament participated in this randomized and double-blinded study. Beverages containing either CHO (n=10) or CHO+PRO (n=11) were provided during matches (Day-1, Day-4 and Day-7) and training sessions (Day-2 and Day-3). Countermovement jumps (CMJ), ratings of muscle soreness and autonomic function were assessed throughout the tournament. Gastrointestinal discomfort was measured post-matches. CMJ peak velocity increased in the CHO+PRO group (p=0.01), but not for the CHO group. There were no differences in the other CMJ variables. In both groups, muscle soreness increased from Day-0 and Day-1 to Day-2 (p0.05) between groups. When daily dietary protein is adequate (>1.8 g.kg.d), the ingestion of CHO+PRO during matches and training sessions throughout a tournament does not reduce muscle soreness nor have clear benefits for neuromuscular recovery or modulate autonomic function in junior ARF athletes, compared to CHO alone.

Item Type: Article
Authors/Creators:Lee, NA and Fell, JW and Pitchford, NW and Hall, AH and Leveritt, MD and Kitic, CM
Keywords: dietary intervention, vertical jump, congested fixture, HRV, wellness
Journal or Publication Title: Journal of Strength and Conditioning Research
Publisher: Alliance Communications Group Division Allen Press
ISSN: 1064-8011
DOI / ID Number: 10.1519/JSC.0000000000001827
Copyright Information:

Copyright 2017 National Strength and Conditioning Association

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