@BillyDeGods 4 x 4-minute intervals: participants performed four 4-minute intervals at 90–95% of their maximal heart rate, interspersed with 3 minutes of active rest (at 70% of maximal heart rate). @B_Holmer
@BillyDeGods 4 x 4-minute intervals: participants performed four 4-minute intervals at 90–95% of their maximal heart rate, interspersed with 3 minutes of active rest (at 70% of maximal heart rate). @B_Holmer