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Gastrointestinal temperature increases and hypohydration exists after collegiate men's ice hockey participation.
J Strength Cond Res 2010; 24(1):68-73JS

Abstract

The cold environments in which ice hockey players participate are counterintuitive to the predisposing factors of heat- and hypohydration-related illnesses. This population has received little consideration in hypohydration-related illness risk assessments. Protective equipment, multiple clothing layers, and performance intensity may predispose these athletes to significant decreases in hydration and increases in core temperature. The purpose of this study was to measure hydration status and gastrointestinal temperature (T(GI)) in male ice hockey players during practice sessions that focused on pre-season skill development and cardiovascular conditioning. The study used a repeated measures design. Data were collected in a collegiate ice hockey rink (ambient temperature = 6.03 +/- 1.65 degrees C; relative humidity = 40.4 +/- 11.89%). Seventeen ice hockey players (age = 20.6 +/- 1.1, height = 180 +/- 5 cm, mass = 85.04 +/- 7.9 kg) volunteered for this study. Urine-specific gravity (USG) and body weight were measured before and after two 110-minute practice sessions. Urine reagent strips measured USG. Calibrated CorTemp (HQ, Inc., Palmetto, FL, USA) radiofrequency telemetered thermometers collected T(GI) before, during, and after two 110-minute practice sessions. Individual participant sweat rates were calculated. Data from both sessions were pooled. T(GI) (p < 0.0001), and USG (p < 0.0001) increased over the 110-minute session. Post-exercise body weight (83.9 +/- 7.6 kg) was statistically lower (p < 0.001) than the pre-exercise weight (85.0 +/- 7.9 kg). Sweat rates were calculated to be 0.83 +/- 0.50 L.h(-1). These male ice hockey players become hypohydrated during participation potentially predisposing them to dehydration-related illnesses. This change in hydration status resulted in a gastrointestinal temperature increase and significant weight loss during activity. Prevention and rehydration strategies such as those developed by the American College of Sports Medicine and National Athletic Trainers' Association should be implemented to reduce the possibility of heat-related illness for this population.

Authors+Show Affiliations

Department of Athletics, Sacred Heart University, Fairfield, Connecticut, USA.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20042926

Citation

Batchelder, Benson C., et al. "Gastrointestinal Temperature Increases and Hypohydration Exists After Collegiate Men's Ice Hockey Participation." Journal of Strength and Conditioning Research, vol. 24, no. 1, 2010, pp. 68-73.
Batchelder BC, Krause BA, Seegmiller JG, et al. Gastrointestinal temperature increases and hypohydration exists after collegiate men's ice hockey participation. J Strength Cond Res. 2010;24(1):68-73.
Batchelder, B. C., Krause, B. A., Seegmiller, J. G., & Starkey, C. A. (2010). Gastrointestinal temperature increases and hypohydration exists after collegiate men's ice hockey participation. Journal of Strength and Conditioning Research, 24(1), pp. 68-73. doi:10.1519/JSC.0b013e3181c49114.
Batchelder BC, et al. Gastrointestinal Temperature Increases and Hypohydration Exists After Collegiate Men's Ice Hockey Participation. J Strength Cond Res. 2010;24(1):68-73. PubMed PMID: 20042926.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Gastrointestinal temperature increases and hypohydration exists after collegiate men's ice hockey participation. AU - Batchelder,Benson C, AU - Krause,B Andrew, AU - Seegmiller,Jeff G, AU - Starkey,Chad A, PY - 2010/1/1/entrez PY - 2010/1/1/pubmed PY - 2010/3/17/medline SP - 68 EP - 73 JF - Journal of strength and conditioning research JO - J Strength Cond Res VL - 24 IS - 1 N2 - The cold environments in which ice hockey players participate are counterintuitive to the predisposing factors of heat- and hypohydration-related illnesses. This population has received little consideration in hypohydration-related illness risk assessments. Protective equipment, multiple clothing layers, and performance intensity may predispose these athletes to significant decreases in hydration and increases in core temperature. The purpose of this study was to measure hydration status and gastrointestinal temperature (T(GI)) in male ice hockey players during practice sessions that focused on pre-season skill development and cardiovascular conditioning. The study used a repeated measures design. Data were collected in a collegiate ice hockey rink (ambient temperature = 6.03 +/- 1.65 degrees C; relative humidity = 40.4 +/- 11.89%). Seventeen ice hockey players (age = 20.6 +/- 1.1, height = 180 +/- 5 cm, mass = 85.04 +/- 7.9 kg) volunteered for this study. Urine-specific gravity (USG) and body weight were measured before and after two 110-minute practice sessions. Urine reagent strips measured USG. Calibrated CorTemp (HQ, Inc., Palmetto, FL, USA) radiofrequency telemetered thermometers collected T(GI) before, during, and after two 110-minute practice sessions. Individual participant sweat rates were calculated. Data from both sessions were pooled. T(GI) (p < 0.0001), and USG (p < 0.0001) increased over the 110-minute session. Post-exercise body weight (83.9 +/- 7.6 kg) was statistically lower (p < 0.001) than the pre-exercise weight (85.0 +/- 7.9 kg). Sweat rates were calculated to be 0.83 +/- 0.50 L.h(-1). These male ice hockey players become hypohydrated during participation potentially predisposing them to dehydration-related illnesses. This change in hydration status resulted in a gastrointestinal temperature increase and significant weight loss during activity. Prevention and rehydration strategies such as those developed by the American College of Sports Medicine and National Athletic Trainers' Association should be implemented to reduce the possibility of heat-related illness for this population. SN - 1533-4287 UR - https://www.unboundmedicine.com/medline/citation/20042926/Gastrointestinal_temperature_increases_and_hypohydration_exists_after_collegiate_men's_ice_hockey_participation_ L2 - http://Insights.ovid.com/pubmed?pmid=20042926 DB - PRIME DP - Unbound Medicine ER -