Burning off a pound of fat requires climbing about 4 vertical miles of stairs (140 to 160 lb person, and that's taking into account the 25-30% muscle efficiency
TimpBizkit 1 year ago
Burning off a pound of fat requires climbing about 4 vertical miles of stairs (140 to 160 lb person, and that's taking into account the 25-30% muscle efficiency
TimpBizkit 1 year ago