Book excerpt: The American Physical Therapy Association Book of Body Maintenance and Repair explores the mechanical workings of every moving part of the body, explains what can go wrong, and then provides a complete program for ensuring the greatest long-term health for that area and tells you how to respond when injuries occur. Whether your concern is a sore back, an injured knee, or general strength and flexibility, no other book can lead the way to total body health as effectively or authoritatively as The American Physical Therapy Association Book of Body Maintenance and Repair. Book jacket.