A fracture may be a break, usually during a bone. If the broken bone punctures the skin, it's called an open or open fracture . Fractures commonly happen due to car accidents, falls, or sports injuries. Other causes are low bone density and osteoporosis, which cause weakening of the bones. Overuse can cause stress fractures, which are very small cracks within the bone. Among doctors, especially bone specialists, like orthopedic surgeons, “break” may be a much less common term when talking about bones. A crack (not only a break) within the bone is additionally referred to as a fracture. Fractures can occur in any bone within the body. There are several alternative ways during which a bone can fracture; for instance , an opportunity to the bone that doesn't damage surrounding tissue or tear through the skin is understood as a simple fracture .On the opposite hand, one that damages surrounding skin and penetrates the skin is understood as a compound fracture or an open fracture. Compound fractures are generally more serious than simple fractures, because, by definition, they're infected. Most human bones are surprisingly strong and may generally get up to fairly strong impacts or forces. However, if that force is just too powerful, or there's something wrong with the bone, it can fracture. The older we get, the less force our bones can withstand. Because children’s bones are more elastic, once they do have fractures they have a tendency to vary . Children even have growth plates at the top of their bones – areas of growing bone – which can sometimes be damaged.