Thirty males ( mean SD : age , @ @ yr ; VO@ peak , @ @ mL kg ( -@ ) min ( -@ ) ) performed an acute high-intensity interval training session , comprised of @ @-s sprints , immediately followed by one of the following three @-min recovery conditions : CWI ( @ C @ C ) , thermoneutral water immersion placebo ( TWP ) ( @ C @ C ) , or thermoneutral water immersion control ( TWI ) ( @ C @ C ) .