Begin by laying on your back, heels on the exercise ball, arms across your chest. Lift your hips off the ground so that your back and legs are aligned.Here you have access to hundreds of exercises with detailed instructions and pictures for each exercise step.
If you are registered you can add these exercises to your personal workout program and create an exercise plan that you can print. And, of course, you can change the program any time as you progress.
You just have to register (it's free) or login!