数有年轮,人体同样有年龄,那么计算自己身体的年龄的方法你知道吗？

4

Do as many modified pushups (on your knees) as you can without

stopping, keeping your body in a straight line and lowering your chest within four inches of the floor.

If 0-30 add 2 years. If 31-60 add 1 years. If 61-90 subtract 1 years. If 91+ subtract 2 years.