ure A break in a bone weakened by some other disease, such as bone cancer or osteoporosis, usually caused by a stress that would not normally fracture a bone. ??? ??? ??? Closed Fracture Skin is not broken (formerly called simple fracture). ??? ??? ??? Open Fracture Skin is broken (formerly called compound fracture). ??? ??? ??? Complete Fracture Bone is broken into two or more pieces. ??? ??? ???