Abs on Ball

You'll need a large stability ball to do this tough, twice-a-week core strengthening ab workout. Domo brings you through a very effective step-by-step core routine; listen to his excellent form tips and the time will fly by. If you can't do some of the moves, work up to them slowly and take breaks when you need them. For intermediate fitness levels.Looking for more variety in your workouts? Check out these personal training sessions.(P)2005 iAmplify