Beyond Crunches

Exercise Ball: Advanced

Can't. Wait. To. Try....

Thanks to BuzzFeed for this one.

Comments

yea...i'd end up with a broken neck. i'll stick with my crunches...

msh258's picture

I just showed this to my coworkers (physical therapists) and they nearly had a heart attack

mindyse's picture

>:-O

Mr. Mohawk's picture