Effects of the menstrual cycle on EPOC and fat oxidation after low-volume high-intensity interval training

• DOI: 10.23736/s0022-4707.23.15209-1
• Publication Date: 2023-09-15T14:44:38Z
• Authors: Akira ISHIKAWA; Tomoka MATSUDA; Nodoka IKEGAMI; Akiko FUNAKI; Mizuki YAMADA; Kayoko KAMEMOTO; Mikako SAKAMAKI-S...
• Keywords: Sprint; Interval training; High-Intensity Interval Training

Low-volume high-intensity interval training (HIIT) for weight loss has become prevalent in recent years, with increased excess post-exercise oxygen consumption (EPOC) as the mechanism. However, influence of menstrual cycle on EPOC and fat oxidation following low-volume HIIT is unclear. This study aimed to investigate effect increase after HIIT.Twelve eumenorrheic women participated during their early follicular luteal phases. On each experimental day, they performed comprising fifteen repeated 8 s sprint cycling tests 12 rests, 5 min. Expired gas samples were collected before every 60 min until 180 post-exercise. was defined from resting state, total calculated time measurement. Blood serum estradiol, progesterone, free fatty acids, blood glucose, lactate, plasma noradrenaline assessed immediately after, at assessed.Serum estradiol progesterone significantly higher phase than (P<0.01 both). No significant differences found between Serum acid, concentrations not affected by cycle.These results suggest that does affect or HIIT.