This project will identify the efficacy of whole body skin wetting aimed to attenuate excessive elevations in internal body temperatures during physical activity in well-healed burn survivors. The investigators will conduct a randomized crossover design study. Non-burned control subjects, subjects who experienced burns covering \~20% to 40% of their body surface area, and subject having burns \>40% of their body surface area will be investigated. Subjects will exercise in heated environmental conditions while receiving no cooling or whole body skin wetting.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
40
Subjects will exercise for 60 minutes in the indicated environmental condition while being exposed to whole body skin wetting. Skin wetting will be performed by spraying water onto the whole body throughout the exercise bout.
Subjects will exercise for 60 minutes in the indicated environmental condition while being exposed to no cooling modalities.
Institute for Exercise and Environmental Medicine
Dallas, Texas, United States
RECRUITINGCore Temperature
During exercise, one's core body temperature will increase. This device will measure this increase in core body temperature throughout the exercise.
Time frame: Prior to and throughout the bout of exercise; an average of 90 minutes.
Mean Skin Temperature
Average skin temperature from six sites.
Time frame: Prior to and throughout the bout of exercise; an average of 90 minutes.
Rate Pressure Product
Obtained from heart rate and systolic blood pressure.
Time frame: Prior to and throughout the bout of exercise; an average of 90 minutes.
Whole body sweat rate
Whole body sweat rate will be measured from pre and post nude body mass measures.
Time frame: Before and after exercise. 2 min per measure.
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