There are very common auto accident injuries including but not limited to: cuts bruises and broken bones. Soft tissue injuries causes soreness, stiffness, and paid. Traumatic brain injuries may be caused by a blow to the head or by the brain hitting the inside of the skull. Disc injuries cause severe pain, weakness, or numbness. Internal injuries can include internal bleeding, punctured spleen or lungs. Mental and emotional injuries can also be a direct result of an auto accident.