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Changes in (A) rectal temperature and (B) heart rate during exercise and recovery in EUHFL, EUHNF, HYPOFL, and HYPONF groups. EUHFL = minimized fluid losses during exercise and remaining losses replaced during recovery; EUHNF = minimized fluid losses during exercise and did not replace losses during recovery; HYPOFL = fluid restricted during exercise and losses replaced during recovery; HYPONF = fluid restricted during exercise and losses not replaced during recovery.
