JUST DO IT!: custom printable workout exampley I like that there are stability ball exercises too (see the last 2 exercises on this example workout)! Workout Labs give full instructions on how to properly do the exercises.
Want to get that perfect six pack? Try this comprehensive abdominal gym workout routine that will hit your upper and lower abs as well as obliques for a perfectly toned core: Six Pack Abs Core Strength Workout Routine for Men and Women – Printable Workout