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Title: Metabolic power and energetic costs of elite Rugby League match-play
Contributor(s): Cummins, Cloe  (author)orcid ; Gray, Adrian  (author)orcid ; Shorter, Kathleen  (author)orcid ; Halaki, Mark (author); Orr, Rhonda (author)
Publication Date: 2015
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Abstract: Background: Mechanical time-motion models based on running velocity have estimated the energy demands of field-based team sports. Such analyses have enhanced the understanding of the metabolic loads of match-play and aided in player preparation. The purpose of this study therefore is to describe the metabolic demands of different playing positions in elite rugby league match-play. Methods: A running based time-motion model was utilised to estimate the energy expenditure and metabolic demands of 18 elite rugby league players using 15Hz Global Positioning System (GPS) units. Briefly, this model uses a player's GPS velocity-time curve to estimate the positive/ negative mechanical work done by the centre of mass in the horizontal/vertical planes, by the swinging-limbs and to overcome air-resistance. It is assumed that the sum of these components is the total mechanical-work done due to locomotor demands. Players were categorized into positional groups: outside backs (OB), adjustables (ADJ), wide-running forwards (WRF) and hit-up forwards (HUF). Game demands were quantified by match time (min), relative distance (m.min⁻¹), energy expenditure (⁻¹), mean power (⁻¹), anaerobic index (arbitrary-unit) and equivalent distance (m).
Publication Type: Conference Publication
Conference Name: 2015 ASICS Sports Medicine Australia Conference, Gold Coast, Australia, 21st - 24th October, 2015
Conference Details: 2015 ASICS Sports Medicine Australia Conference, Gold Coast, Australia, 21st - 24th October, 2015
Source of Publication: 2015 ASICS Sports Medicine Australia Conference Book of Abstracts, p. 24-24
Publisher: Sports Medicine Australia
Place of Publication: Australia
ISSN: 1440-2440
Field of Research (FOR): 110699 Human Movement and Sports Science not elsewhere classified
Socio-Economic Outcome Codes: 950102 Organised Sports
HERDC Category Description: E3 Extract of Scholarly Conference Publication
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Series Name: Journal of Science and Medicine in Sport
Series Number : December 2015 Supplement
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Appears in Collections:Conference Publication
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