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Effects of mild dehydration on thermoregulation, performance and mental fatigue during an ice hockey scrimmage

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dc.contributor.advisor Spriet, Lawrence Leon
dc.contributor.author Linseman, Mark Edward
dc.date.accessioned 2011-09-13T16:18:36Z
dc.date.available 2012-08-30T05:00:07Z
dc.date.copyright 2011-09
dc.date.created 2011-08-30
dc.date.issued 2011-09-13
dc.identifier.uri http://hdl.handle.net/10214/2979
dc.description.abstract This study investigated the effects of progressive dehydration by 1.5-2.0% body mass (BM) (NF) on core temperature (Tc), heart rate (HR), on-ice performance, and mental fatigue during a 70-min scrimmage, compared to maintaining BM with a carbohydrate-electrolyte solution (CES). Compared to CES, Tc was significantly higher throughout the scrimmage in NF. Players in NF had reduced mean skating speed and time at high effort between 30-50 min of the scrimmage. Players in NF committed more puck turnovers and completed a lower percentage of passes in the last 20 min of play. Post-scrimmage shuttle skating time was higher in NF. Hockey fatigue questionnaire total score and Profile of Mood States fatigue score was higher in NF. The results indicate that mild dehydration compared to maintaining BM with a CES resulted in increased Tc, decreased skating and puck handling performance, and increased mental fatigue during an ice hockey scrimmage. en_US
dc.description.sponsorship Gatorade Sports Science Institute, Natural Sciences and Engineering Research Council of Canada en_US
dc.language.iso en en_US
dc.subject Hockey en_US
dc.subject Thermoregulation en_US
dc.subject Dehydration en_US
dc.subject Sports drink en_US
dc.subject Carbohydrate en_US
dc.subject Performance en_US
dc.subject Ice hockey en_US
dc.subject Mental en_US
dc.subject Fatigue en_US
dc.subject Core temperature en_US
dc.title Effects of mild dehydration on thermoregulation, performance and mental fatigue during an ice hockey scrimmage en_US
dc.type Thesis en_US
dc.degree.programme Human Health and Nutritional Sciences en_US
dc.degree.name Master of Science en_US
dc.degree.department Department of Human Health and Nutritional Sciences en_US
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