You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Primary impact injury is most common in and explain in detail?
D i.e. Leg In pedistrian injuries, legs are most commonly involvedQ (85%) followed by head (50 -80%) > arms > pelvis > chest or abdomen > neck & spineQ. Most common type of primary impact injury is bumper injuries of legsQ d/t vehicle hitting from front.