Hubungan Menstruasi Terhadap Daya Tahan Kardiovaskular Atlet Karate Putri Tak…

A natural decrease in blood volume, such as menstruation, can have an impact on the decreasing of cardiovascular endurance, so that affecting the woman's productivity. The research aims to determine the correlation between menstruation and cardiovascular endurance of female karate's athlete in Tako Bengkalis. This research using quantitative methods. The sample used was female karate's athletes…