Pilates Exercises for Osteoporosis DVD was designed by physical therapist, Sherri Betz to help you incorporate safe Pilates exercises into your bone building program. Many Pilates exercises can be contraindicated and unsafe for those with low bone density. By modifying Joseph Pilates' basic exercises and incorporating sound physical therapy principles, you will learn the best exercises to build the bones of the most vulnerable areas of the hip and spinal vertebrae.This product is manufactured on demand using DVD-R recordable media. Amazon.com's standard return policy will apply.