Blast fat with cardio intervals, how do you do intervals and keep track of time, distance, max speed, incline and calories every minute while jumping between heart rate zones? I don't have the answer right now but hopefully we can figure out ways to make this workout usable.
Blast fat with cardio intervals, how do you do intervals and keep track of time, distance, max speed, incline and calories every minute while jumping between heart rate zones? I don't have the answer right now but hopefully we can figure out ways to make this workout usable.