The document discusses assessing injuries from child abuse. It notes that 70% of injuries will be on the back, shoulders, and back of legs. Bruises may indicate the instrument used, such as a hand, belt, or wire. Cluster bruises and bruises on both sides of the body indicate repeated contact. The angle of attack provides information on the victim's position relative to the perpetrator. Other injuries include bite marks, pinch marks, pulled hair, and defensive marks on forearms. Internal injuries from blows can cause serious damage to organs and occasionally death, even with significant delays in medical care. Surface evidence of internal trauma is rarely visible, but symptoms may include distended abdomen, blood in urine, vomiting, abdominal pain