limitations, a rectal temperature could not be determined, which is considered the gold standard in measuring body-core temperature; only an oral thermometer was available and was not used, as it is known to be an unreliable measure of body-core temperature following exercise. 7 Priority was placed on
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Exertional Rhabdomyolysis Following Noncontact Collegiate Recreational Activity: A Case Report
Jenna Morogiello and Rebekah Roessler
Altitude and Heat Training in Preparation for Competitions in the Heat: A Case Study
Amelia J. Carr, Philo U. Saunders, Laura A. Garvican-Lewis, and Brent S. Vallance
within a heat chamber/hot room, hot water immersion, or sauna bathing). 1 , 9 Such strategies may induce adaptations including increased plasma volume, increased sweat rate, decreased core temperature, and reduced submaximal heart rate. 8 However, optimal methods of preparation may be unclear to
Influence of Exercise Time of Day on Salivary Melatonin Responses
Lara A. Carlson, Kaylee M. Pobocik, Michael A. Lawrence, Daniel A. Brazeau, and Alexander J. Koch
04:00 hours. 8 Our results show the highest melatonin levels were collected at 03:00 hours. Peak melatonin at night correlates with the decline in core body temperature. 10 Melatonin’s ability to decrease core temperature facilitates sleep propensity. 8 Core body temperature tends to be lower
Management of a Special Warfare Trainee With Repeat Exertional Heat Stroke: A Case Study
J. Joseph Caraway, Julius Shepard, Courtney Hintz, and Cody R. Butler
status and loss of consciousness, the trainee was also evaluated for EHS. His initial core temperature (Tc) measured 41.61 °C, and he was immediately placed in an ice water immersion tub. The trainee’s rectal temperature dropped to 39.39 °C after 11 minutes (see Table 2 ). Table 2 Timeline of Events
A 0.1% L-Menthol Mouth Swill in Elite Male Rugby Players Has Different Effects in Forwards and Backs
Marcia L. Jerram, Dane Baker, Tiaki B. Smith, Phil Healey, Lee Taylor, and Katherine Black
cognitive), compromising the ability to sustain high-intensity efforts required in match play. 4 – 6 This in turn can lead to a greater susceptibility of exertional heat illnesses/stroke. 7 World Rugby Sevens Tournament match play found that several players reached a core temperature ( T c ) ≥ 39 °C with
Blood Lactate Responses of Male and Female Players Across an International Rugby Sevens Tournament
Carl James, James Rees, Henry Chong, Lee Taylor, Christopher M. Beaven, Mitch Henderson, and Julien S. Baker
and humid climates (eg, Dubai, Singapore, Hong Kong), presenting considerable thermoregulatory challenges. 16 – 18 High core temperatures (T CORE ) have been reported in female players following sevens warm-ups (peak T CORE 37.9–39.0 °C) and matches (peak T CORE 37.9–39.8 °C), while male players
Differing Physiological Adaptations Induced by Dry and Humid Short-Term Heat Acclimation
Samuel T. Tebeck, Jonathan D. Buckley, Clint R. Bellenger, and Jamie Stanley
. Core Temperature A radio telemetry pill (CoreTemp; HQ Inc, Palmetto, FL) was swallowed 2 to 3 hours prior to testing and STHA sessions. T core data were recorded using a digital data logger (Cortemp; HQinc) at 5-minute intervals during the HST and STHA. The values were representative of the average
The Influence of Heat Acclimation and Hypohydration on Post-Weight-Loss Exercise Performance
Oliver R. Barley, Dale W. Chapman, Georgios Mavropalias, and Chris R. Abbiss
1A ). Physical performance was measured 3 hours following hypohydration. Mood was assessed prior to, immediately, and 3 hours following hypohydration, whereas cognition was only assessed immediately and 3 hours following hypohydration. Core temperature was measured via a gastrointestinal pill
The Effect of Nitrate Supplementation on Cycling Performance in the Heat in Well-Trained Cyclists
Joseph A. McQuillan, Julia R. Casadio, Deborah K. Dulson, Paul B. Laursen, and Andrew E. Kilding
equal to a wet-bulb-globe temperature of 37°C. To begin each trial, participants were seated on a chair in the heat for 10 minutes to achieve core-temperature stabilization. 11 After this preliminary phase, participants performed 20 minutes of cycling at 40% and 60% PPO. Forward-facing convective wind
Skin Blood Flow Responses to Acetylcholine, Local Heating, and to 60% VO2max exercise with and without Nitric Oxide inhibition, in Boys vs. Girls
Raffaele Joseph Massarotto, Gary J. Hodges, Alexandra Woloschuk, Deborah D. O’Leary, Raffy Dotan, and Bareket Falk
thermoregulatory responses (core temperature and HR) among individuals of differing V ˙ O 2 max ( 20 ). In addition, exercise intensity and duration were based on Rowland et al ( 42 ), who demonstrated a similar increase in body temperature (<1°C) in boys and men following 30 minutes of cycling at 65% V ˙ O 2
