Hey how many hours of cardio do you competitors do during the final weeks? Also, do you guys actually work your heart in 65-75% range when doing cardio? or do you work on a HR that you feel is appropriate?
Hey how many hours of cardio do you competitors do during the final weeks? Also, do you guys actually work your heart in 65-75% range when doing cardio? or do you work on a HR that you feel is appropriate?
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