7Exercise for Better Bones is the most comprehensive and current exercise program for people with osteoporosis, osteopenia and low bone density. Written by Physical Therapist Margaret Martin, Exercise for Better Bones has been used by thousands of individuals around the world to improve their bone health and reduce their risk of a fall and fracture. Exercise for Better Bones is designed for any individual with osteoporosis and in need of a safe and effective osteoporosis exercise program. The book offers four program levels: Beginner, Active, Athletic and Elite.