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Old 07-30-2011, 03:59 PM   #1
Death2Theft
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Join Date: Mar 2004
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Target heart rate only for cardio?

Is keeping your heart rate at 65%-90% only for cardio? Or does it apply to people lifting big weights as well? What happens if you only do heavy/low reps but your heart rate doesn't stay up? Or you take big breaks in between sets?
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