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<p>The physiological response during interval exercise and its significance in determining thermal perception remain unclear. There is a paucity of quick and convenient thermal perception assessment methods in exercisers, which impedes the advancement of real-time thermal perception evaluation in exercise spaces. In this study, five thermal conditions were set up in a thermal chamber to simulate the thermal environment of a cold region and evaluate the dynamic physiological responses during interval exercise and their effect on temperature perception.The results showed that heart rate, sweat feeling index, and heat storage rate values were in line with thermal sensation dynamics. The calf’s skin temperature had the strongest correlation with thermal perception among the other skin temperatures. While heart rate was tightly linked to metabolic heat production, the calf’s skin temperature was affected by both exercise intensity and ambient temperature, which are directly related to thermal perception during interval exercise, and these two physiological can be tracked in real-time with portable devices. A model for predicting thermal perception was developed based on heart rate and the skin temperature of the calf, and the explanation rate was 89.8%.</p>

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Experimental study on physiological responses during interval exercise and the effects on thermal perception

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月24日

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  • Yujie Lin,
  • Hong Jin,
  • Tingkai Yan,
  • Jian Kang

摘要

The physiological response during interval exercise and its significance in determining thermal perception remain unclear. There is a paucity of quick and convenient thermal perception assessment methods in exercisers, which impedes the advancement of real-time thermal perception evaluation in exercise spaces. In this study, five thermal conditions were set up in a thermal chamber to simulate the thermal environment of a cold region and evaluate the dynamic physiological responses during interval exercise and their effect on temperature perception.The results showed that heart rate, sweat feeling index, and heat storage rate values were in line with thermal sensation dynamics. The calf’s skin temperature had the strongest correlation with thermal perception among the other skin temperatures. While heart rate was tightly linked to metabolic heat production, the calf’s skin temperature was affected by both exercise intensity and ambient temperature, which are directly related to thermal perception during interval exercise, and these two physiological can be tracked in real-time with portable devices. A model for predicting thermal perception was developed based on heart rate and the skin temperature of the calf, and the explanation rate was 89.8%.