aaron_simkovich
New member
holy sihjt, i thought i was supposed to be shivering?
i just ran up and down the stairs a few times, my heart trate went up to 140 bpm, i think thats about the fat burning rate :O
i just ran up and down the stairs a few times, my heart trate went up to 140 bpm, i think thats about the fat burning rate :O