Originally Posted by Posture Guy
I'm a big fan of rebounding as a form of exercise. I use one called the Cellerciser. Spend two minutes bouncing on it while sitting on it with feet lifted off the ground and you get an amazing ab workout.
Ye olde trampoline, huh?
Funny how these old exercises and contraptions come back into style. Trampolines, wind sprints, etc.
Has the hula hoop and pogo stick made a comeback yet? Probably both great work outs...