Tiffany Horn

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INTRODUCTION: In response to exercise, heart rate, systolic blood pressure, breathing rate, oxygen consumption and body temperature increase. Since the body is homoeothermic and attempts to remain in a narrow range of temperatures, the body attempts to regulate the temperature during exercise. Clothing insulates the body and reduces evaporation which is the main process of heat loss during exercise. Clothing fabrics such as compression have been advertised to promote cooling, improve performance and result in a faster recovery. PURPOSE: The purpose of this study was to determine if wearing compression shorts during maximal exercise effects the body’s ability to regulate temperature. METHODS: Five subjects (22.8±1.3 yrs., 63.4±1.14 in, 147.6±22.1 lbs.), all female UTA students, volunteered to participate in this study. Each subject had resting heart rate (RHR), blood pressure (BP) and body temperature measured. Each subject performed an incremental maximal oxygen consumption (VO2max) cycle test which included maintaining 50 rpm with a resistance that started at 50Watts and increased every three minutes until exhaustion. A mouth piece and headgear were worn during each test to measure respiratory values. Heart rate (HR) was recorded each minute from a chest strap and every three minutes the subject’s blood pressure (BP) and body temperature (T) were measured. RESULTS: The maximal values: T (cotton: 26.96 ±3.73 °C; compression: 26.36 ±3.6 °C); HR (cotton: 168.4 (±7.92) bpm; compression: 169 (±11.81) bpm); SBP (cotton: 136.8 ±4.60 mmHg; compression: 135.6 ±5.18 mmHg); VO2 (cotton: 26.96 ±3.73 ml/kg/min; compression: 26.36 ±3.60 ml/kg/min) were not significantly different between cotton and compression shorts (p>0.05). CONCLUSION: The results of the study indicate that there was no significant difference between the body’s ability to regulate core temperature during maximal exercise which was measured by body temperature. The results could be attributed to a limited number of participants, human error, and mode of exercise.


Kinesiology | Life Sciences

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