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ORIGINAL ARTICLE EXERCISE PHYSIOLOGY AND BIOMECHANICS
The Journal of Sports Medicine and Physical Fitness 2021 June;61(6):779-87
DOI: 10.23736/S0022-4707.21.11426-4
Copyright © 2021 EDIZIONI MINERVA MEDICA
lingua: Inglese
Physiological responses during the long-distance race in the warm environment in runners: a pilot-study
Jefferson F. COELHO RODRIGUES Jr 1, Danilo M. PRADO 2, 3 ✉, Alyson F. SENA 1, Christiano E. VENEROSO 1, Christian E. CABIDO 1, Mario N. SEVÍLIO Jr 1
1 Department of Physical Education, Physical Education Federal University of São Luiz, Maranhão, Brazil; 2 Ultra Sports Science Lab, São Paulo, Brazil; 3 School of Medicine, Heart Institute, University of São Paulo, São Paulo, Brazil
BACKGROUND: This study investigated the effects of warm temperature in the external environment on physiological response in self- pace during the long-distance race in runners and the association between the physiological index of endurance performance (i.e., speeds at ventilatory anaerobic threshold [VVAT], respiratory compensation [VRCP], maximum oxygen uptake [
METHODS: Five male recreational runners (mean±SE age 36.6±6.1 years; VO
RESULTS: Our results showed a reduction in speed to kilometers 12, 15, 18 and 21 than kilometer 3 (P<0.05). The runners showed a decrease in both VO
CONCLUSIONS: Our findings demonstrated that the increase in body temperature in a warm environment during the 21-km race is associated with both cardiovascular and metabolic strain in runners. Concerning physiological markers of endurance performance, VVAT appears to be the best predictor of the average pace throughout the 21-km race in a warm environment in recreational runners.
KEY WORDS: Running; Feedback, physiological; Heat stress response; Sports