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Demonstrates that moderate trunk pressure enhances work efficiency while localized high pressure impairs peripheral blood flow in young women, highlighting critical garment design thresholds.
To clarify the effects of the clothing pressure exerted on a trunk by a swimsuit on heart rate, skin blood flow and respiratory function, wearing tests of seven female students were conducted. When a swimsuit was worn, blood pressure increased and heart rate decreased in a standing posture, furthermore, oxygen intake and ventilation decreased during exercise. From these results, we concluded that when the clothing pressure exerted on a trunk was rather low : lower than 1.0 kPa, venous pump action was promoted and work efficiency became higher. However, when the clothing pressure exerted on a shoulder and inguinal region was very high, skin blood flow to peripheral parts (foot) was suppressed and the recovery of blood pressure after exercise was delayed.
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Morooka et al. (2001) studied this question.
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