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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Hot and Dry Environment_no cooling | Experimental | Subjects will exercise for 60 minutes in a hot and dry environment while being exposed to no cooling. |
|
| Hot and Dry Environment_whole body skin wetting | Experimental | Subjects will exercise for 60 minutes in a hot and dry environment while being exposed to whole body skin wetting. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Whole body cooling | Other | 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. |
| Measure | Description | Time Frame |
|---|---|---|
| Core Temperature | During exercise, one's core body temperature will increase. This device will measure this increase in core body temperature throughout the exercise. | Prior to and throughout the bout of exercise; an average of 90 minutes. |
| Measure | Description | Time Frame |
|---|---|---|
| Mean Skin Temperature | Average skin temperature from six sites. | Prior to and throughout the bout of exercise; an average of 90 minutes. |
| Rate Pressure Product | Obtained from heart rate and systolic blood pressure. |
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Inclusion Criteria: Non-burn survivors
Exclusion Criteria (non-burned individuals):
Inclusion Criteria (burn survivors):
Exclusion Criteria (burn survivors):
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Craig Crandall, PhD | Contact | 214-345-4623 | craigcrandall@texashealth.org | |
| Erin Harper, BS | Contact | 214-345-4737 | ErinHarper@texashealth.org |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Institute for Exercise and Environmental Medicine | Recruiting | Dallas | Texas | 75231 | United States |
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| ID | Term |
|---|---|
| D002056 | Burns |
| ID | Term |
|---|---|
| D014947 | Wounds and Injuries |
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| Non-cooling | Other | Subjects will exercise for 60 minutes in the indicated environmental condition while being exposed to no cooling modalities. |
|
| 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. | Before and after exercise. 2 min per measure. |