how does everyone figure out what their heart rate should be to burn fat not muscle.
ive heard 220-age X 65% is that correct or not
how does everyone figure out what their heart rate should be to burn fat not muscle.
ive heard 220-age X 65% is that correct or not
ya thats correct
you dont need 2 threads
Originally Posted by lil hulk
65-70%
no one was replying to the other one hahaha
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