Blunt force trauma, the effects of tissue injury or a group injury, caused by a collision with a blunt object. In other words, do not point out a sharp object in question, therefore, does not cut through pretty much has to pass through the tissue. Rather, the damage due to blunt force trauma is only caused by the impact itself and the subsequent reaction. In a situation where this type of injury occurs, most of the injuries may have little outward sign of internal problems. One of the most common signs of damage that occurred outside of blunt force trauma is bruising. Blunt the impact of skin, causing the ship to break below the surface of the skin remains intact. The result is a purple bruise maybe brown or black over time, normal. Broken bones to blunt force trauma to the organs or tissues and other conditions, internal bleeding, internal injuries, and includes other types. Can lead to blunt force trauma to many different objects and situations. Sports injuries are often the result of such injuries. Car accidents are another common reason for these injuries, could also lead to a sharp injury auto crash. Another common cause of violence, being beaten with objects such as clubs and bars or punch.