Have a blast while burning off the fat with the JumpSport The Trampoline Circuit DVD. This DVD features personal training exercises with master trainer Irene McCormick including exercises perfect for a small group trampoline circuit setting. All workouts are both soft on joints and bones to ensure that you are only doing your body well. Looking for more to incorporate into your routine? Add the JumpSport Fitness Trampoline PlyoFit Adapter Kit to step your workouts up a notch. DVD runtime: 50 minutes.