Or you could try it like this, see how many raises you can do:
http://www.youtube.com/watch?v=oNHaaC4faOk
See how many raises you can do, you could do it with any ball, or with no ball, it doesnt matter :)xxx
I'll have a look later:pp xxxxxx
Ok i know i was thinking thats not a very good one haha :P, heres a few you can choose from:
- Lie on your back, head furthest away from camera, raise your thighs up 90 degrees to your stomach, and your shins out straight, see how long you can balance a ball on your shins for :)xxx
Ughh why do they all consist of me lying on my back ahhah, feel like a turtle