The AeroPilates Free Form Rebounder fits the Stamina 55 4286 AeroPilates Reformer sold separately Add all the benefits of cardiovascular fitness to your Pilates workout with the Free Form Cardio Rebounder In fact with the Free Form Cardio Rebounder you will reach and maintain your target heart rate as effectively as with a treadmill But unlike the treadmill the Free Form Cardio Rebounder is low impact and gentle on your joints plus since you are lying on your back there is little concussion on your legs hips or spine Cardiovascular fitness completes the strength based flexibility training you are already getting with your Pilates workout The one of a kind AeroPilates Free Form Cardio Rebounder can be used on the specially designed 55 4286 AeroPilates Reformer You simply remove the interchangeable foot bar and place the Free Form Cardio Rebounder in its place The included 20 minute workout video featuring Pilates expert Marjolein Brugman takes you through a low impact cardio workout that you can customize to