Been doing a **** load of cardio latley and forgot what the HR should be.. I am 25 years old so 127 HR is where I need to be? Correct?
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Been doing a **** load of cardio latley and forgot what the HR should be.. I am 25 years old so 127 HR is where I need to be? Correct?
bump
220-age *65%-75% is what I use