My bet this would come undone and smack the shit out of me.. But I'll try it anyways
This is a great way to start HIIT (high intensity interval training) and get the most out of your cardio workout. Start with these levels (6-12) and try to work your way up to intervals of levels 10-16 (difficult but worth it!)
Make the Stability Ball Your Friend with this Killer Ab, Glute, & Inner Thigh Workout!