Your bones are living tissues that are constantly breaking down and rebuilding. And diseases that change bone architecture, such as osteoporosis, spell trouble. Fortunately, exercise done properly can help to rebuild bone and reduce the likelihood of fracture.
Orthopaedic surgeons have traditionally been taught that certain types of knee symptoms indicate damage to specialized structures called the menisci. But these "meniscal" and "mechanical" symptoms do not reflect what surgeons will find at knee arthroscopy, reports a study in The Journal of Bone & Joint Surgery.