Quote Originally Posted by ADEAZEL
45 minutes of cardio? isnt that to much? wouldnt u b burning muscle? i heard after 20 u burn muscle

For the millionth time DO A SEARCH!!! YOU WILL NOT BE BURNING MUSCLE IF YOU STAY IN YOUR TARGET HEART RATE...

220-age * .7 = target heart rate. Don't cross it and you'll be good to go, no muscle loss.


Mike