Abstract
The South East Regional Fire Service requested an investigation into the effect of different undergarments worn by fire service instructors, to help improve thermoregulation and reduce the strain experienced. Literature suggests that wearing shorts and t-shirt may reduce heat strain [1], whilst no research has yet established the effect of wearing compression undergarments in fire environments. The study aimed to identify which type of undergarment [boiler suit (BOILER), whole body compression garments (COMPRESSION) or shorts and t-shirt (SHORTS)] produced the least physiological and perceptual strain.
Highlights
The South East Regional Fire Service requested an investigation into the effect of different undergarments worn by fire service instructors, to help improve thermoregulation and reduce the strain experienced
IL-6 was significantly decreased for COMPRESSION (6.45 ± 0.43 pg.mL1) and shorts and t-shirt (SHORTS) (6.59 ± 0.30 pg.mL1) compared to boiler suit (BOILER)
Significant differences were present between garment types at 45min for PSI and ΔTre, with trends suggesting COMPRESSION caused the lowest levels of strain (4.06 ± 0.85 °C, and 0.70 ± 0.31 °C, respectively) compared to SHORTS (4.50 ± 1.07 °C and 0.76 ± 0.37 °C, respectively) and BOILER (5.07 ± 1.02 °C and 1.00 ± 0.56 °C, respectively), p < 0.05
Summary
The South East Regional Fire Service requested an investigation into the effect of different undergarments worn by fire service instructors, to help improve thermoregulation and reduce the strain experienced. Literature suggests that wearing shorts and t-shirt may reduce heat strain [1], whilst no research has yet established the effect of wearing compression undergarments in fire environments. The study aimed to identify which type of undergarment [boiler suit (BOILER), whole body compression garments (COMPRESSION) or shorts and t-shirt (SHORTS)] produced the least physiological and perceptual strain
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