It's a Biological Fact
- Episode aired Jan 17, 2005
- TV-MA
- 6m
Sarge: No no, what're you doin'? Don't lift with your legs, your back is the strongest muscle in your body. And look man, your knees aren't even locked. How do you expect to stand up straight? C'mon, put your groin into it! And stop exhaling on every lift, the goal is to hold your breath as long as possible. Under stress, the body produce all the oxygen it needs!