Influence of environmental temperature on aerobic performance: physiological and perceptual responses in young adults
DOI:
https://doi.org/10.33233/rbfex.v20i3.4461Keywords:
exercise test; heat exhaustion; physiologyAbstract
Aim: The present study aimed to analyze the influence of environmental temperature on physiological and perceptual responses on aerobic performance in young adults. Methods: Twelve male subjects (23.1 ± 3.3 years; 24.5 ± 3.0 kg/m²), underwent two randomized sessions of incremental cycle ergometer tests in Heat condition (32.7 ± 1.6ºC) and Thermoneutral (22.8 ± 0.6°C) 48-72 hours apart. Peripheral temperature (PT), heart rate (HR), rate of perceived exertion (RPE), Thermal sensation (TS), Feeling Scale (FS), maximum aerobic power (MAP) and exhaustion time (ET) were measured. Results: During the Thermoneutral session, ET and MAP were significantly higher when compared to Heat session (20.9 ± 4.1min vs. 19.5 ± 3.5 min; 212.9 ± 43.4 W vs. 198.3 ± 45.6 W; p < 0.05). PT and TS were significantly higher in Heat session (p < 0.01). However, HR, RPE and FS did not differ between sessions (p > 0.05). Conclusion: It is concluded that, in young people, aerobic performance is lower in heat, mainly influenced by the increase of PT and TS.
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