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Physiological responses of elite junior Australian Rules footballers during match-play

Veale, James and Pearce, Alan J (2009) Physiological responses of elite junior Australian Rules footballers during match-play. Journal of Sport Science and Medicine, 8 (3). pp. 314-319. ISSN 1303-2968

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Abstract

Australian Football (AF) is Australia’s major football code. Despite research in other football codes, to date, no data has been published on the physiological responses of AF players during match play. Fifteen athletes (17.28 ± 0.76 yrs) participated in four pre-season matches, sanctioned by Australian Football League (AFL) Victoria, investigating Heart Rate (HR), Blood Lactate (BLa), Core Temperature (Tcore), and Hydration status. Match HR was measured continuously using HR monitors. BLa was measured via finger prick lancet at the end of each quarter of play. Tcore was measured by use of ingestible temperature sensor and measured wirelessly at the end of each quarter of play. Hydration status was measured using refractometry, measuring urine specific gravity, and body weight pre and post-match. Environmental conditions were measured continuously during matches. Results of HR responses showed a high exertion of players in the 85-95% maximum HR range. Elevated mean BLa levels, compared to rest, were observed in all players over the duration of the matches (p = 0.007). Mean Tcore rose 0.68 °C between start and end of matches. Mean USG increased between 0.008 g/ml (p = 0.001) with mean body weight decreasing 1.88 kg (p = 0.001). This study illustrates physiological responses in junior AF players playing in the heat as well as providing physiological data for consideration by AF coaching staff when developing specific training programs. Continued research should consider physiological measurements under varying environments, and at all playing levels of AF, to ascertain full physiological responses during AF matches.

Item Type: Article
Uncontrolled Keywords: ResPubID18358, Australian football, junior athletes, competition, cardiovascular, heat stress, thermoregulation
Subjects: FOR Classification > 1006 Computer Hardware
FOR Classification > 1106 Human Movement and Sports Science
SEO Classification > 970111 Expanding Knowledge in the Medical and Health Sciences
Faculty/School/Research Centre/Department > Centre for Ageing, Rehabilitation, Exercise & Sport Science (CARES)
Related URLs:
Depositing User: VUIR
Date Deposited: 22 Sep 2011 03:41
Last Modified: 22 Sep 2011 03:41
URI: http://vuir.vu.edu.au/id/eprint/4652
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