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Physiological and perceived effects ...

McKenzie, Amy L.

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Physiological and perceived effects of head cooling during simulated firefighting activity.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Physiological and perceived effects of head cooling during simulated firefighting activity./
作者:	McKenzie, Amy L.
面頁冊數:	209 p.
附註:	Source: Masters Abstracts International, Volume: 49-05, page: 3155.
Contained By:	Masters Abstracts International49-05.
標題:	Health Sciences, Occupational Health and Safety. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1492014
ISBN:	9781124624976

Physiological and perceived effects of head cooling during simulated firefighting activity.
McKenzie, Amy L.

Physiological and perceived effects of head cooling during simulated firefighting activity. - 209 p.

Source: Masters Abstracts International, Volume: 49-05, page: 3155.

Thesis (M.S.)--Indiana State University, 2011.

Accessory cooling devices have been developed to protect firefighters (FF) from suffering an exertional heat illness by attenuating the rise in core body temperature. Head cooling (HC) via a cold gel pack placed inside the helmet is one cooling mechanism marketed to FF, but the research regarding its efficacy is limited.

ISBN: 9781124624976Subjects--Topical Terms:

1017799
Health Sciences, Occupational Health and Safety.

Physiological and perceived effects of head cooling during simulated firefighting activity.
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020 $a 9781124624976
035 $a (UMI)AAI1492014
035 $a AAI1492014
040 $a UMI $c UMI
100 1 $a McKenzie, Amy L. $3 1685009
245 1 0 $a Physiological and perceived effects of head cooling during simulated firefighting activity.
300 $a 209 p.
500 $a Source: Masters Abstracts International, Volume: 49-05, page: 3155.
500 $a Adviser: Susan W. Yeargin.
502 $a Thesis (M.S.)--Indiana State University, 2011.
520 $a Accessory cooling devices have been developed to protect firefighters (FF) from suffering an exertional heat illness by attenuating the rise in core body temperature. Head cooling (HC) via a cold gel pack placed inside the helmet is one cooling mechanism marketed to FF, but the research regarding its efficacy is limited.
520 $a PURPOSE: To investigate the physiological and perceived effects of HC during simulated firefighting activity (FFA).
520 $a METHODS: Participants (males; 40+/-8 y; 168+/-7 cm; 91.8+/-14.2 kg) were randomly assigned to either the HC group (n=9), who completed FFA while wearing a cold gel pack inside their helmet, or the control (CON) group (n=10), who received no accessory cooling during FFA. FF completed four FFA stations in full turnout gear and self-contained breathing apparatus (SCBA) (23.3+/-1.4 kg). FFA stations lasted 15 min and included an obstacle course, a high-rise drill, a two-story search and rescue drill, and car extrication. Stations were completed in random order. After each station, FF replaced their air cylinder and HC replaced their gel pack; FF then completed a different station. After every two stations, the FF rested for 15 min in the shade by removing their turnout gear and SCBA and drinking water ad libitum. Gastrointestinal temperature (GI), heart rate (HR), Stroop Test interference score (ST), rating of perceived exertion (RPE), perceived thermal strain (PTS), and hydration status were measured. Repeated-measures ANOVAs were used to compare groups across time.
520 $a RESULTS: No significant demographic differences were found between groups (p>0.05). GI (39.18+/-0.49°C) and HR (163+/-22bpm) increased during FFA. No significant interactions were found for GI, HR, ST, PTS, or RPE (p>0.05). There were no differences in sweat loss (2.5+/-0.8 L), hypohydration (0.9+/-0.8%), or post FFA urine specific gravity (1.020+/-0.008) between groups (p>0.05). Weak relationships were noted between perceived thermal sensation and gastrointestinal temperature (r=.248).
520 $a CONCLUSION: HC did not attenuate the rise in GI or reduce HR during FFA. The discrepancy between perception and actual body temperature may be dangerous for FF, as it may allow them to work beyond their central drive and the critical GI threshold.
590 $a School code: 0094.
650 4 $a Health Sciences, Occupational Health and Safety. $3 1017799
650 4 $a Health Sciences, General. $3 1017817
650 4 $a Biology, Physiology. $3 1017816
690 $a 0354
690 $a 0566
690 $a 0719
710 2 $a Indiana State University. $b Athletic Training. $3 1685010
773 0 $t Masters Abstracts International $g 49-05.
790 1 0 $a Yeargin, Susan W., $e advisor
790 1 0 $a Eberman, Lindsey E. $e committee member
790 1 0 $a Kingsley, J. Derek $e committee member
790 $a 0094
791 $a M.S.
792 $a 2011
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1492014