it takes at least 2 1/2 hours to do 2000 sit ups, you are right about it not being possible. i think he started lifting for the spinks fight...
you can trick a bags reflexes with bouncing? wow you must be really good. :blurp:blurp also, you dont keep bouncing around non stop when you are...
it gets the other guy used to you moving your whole body, so when you throw a punch they do not realize it as quickly since when you start moving...