Factors Associated with Heat Tolerance and Heat Intolerance Based on the Rate of Intermittent Exercise Performance Decline in Hot and Cool Environments

Description

This dataset was collected as part of a study investigating interindividual variability in high-intensity intermittent exercise performance under hot environmental conditions. Seventeen male university soccer players completed an intermittent soccer performance test (iSPT) under two thermal conditions: cool (COOL, 16°C) and hot (HOT, 36°C). Based on the median rate of change in high-speed running distance (HSD) between the two conditions, participants were classified into high-performance (HP) and low-performance (LP) groups to examine the physiological and perceptual factors distinguishing heat-tolerant from heat-intolerant individuals. The dataset includes individual-level data across the following categories: Performance indicators: iSPT outcome measures under both COOL and HOT conditions, including high-speed running distance (HSD) and other performance parameters, along with the rate of change between conditions. Thermoregulatory measures: rectal temperature (Tre) time-course data, including peak Tre, change in Tre (ΔTre), and time to peak Tre for each condition. Physiological indicators: sweat volume, maximal oxygen uptake (V̇O₂max), and urine specific gravity (USG) measured before and after iSPT under HOT conditions. Subjective indicators: rating of perceived exertion (RPE) recorded during exercise. Physical characteristics and body composition: percentage body water and percentage body fat. Fitness-related indicators: aerobic fitness measures associated with V̇O₂max.

Institutions

• Rikkyo University

  Tokyo, Tokyo

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