Effects of Menstrual Cycle on Flexibility of the Hamstrings in Healthy Young Women

The current study aimed to elucidate the details of changes in flexibility during the menstrual cycle. Our findings suggest that the increases in ROM during the ovulation and luteal phases were caused by different sex hormones. The results of this study suggested that it should be taken into account that the risk of injury may vary with the menstrual cycle.

Japan Society of Exercise and Sports Physiology