Boxing punch is a term used to describe the four main punches used in boxing. The JAB is a quick, straight punch thrown with the lead hand. The HOOK is a semi-circular punch thrown with the lead hand. The CROSS is a powerful, straight punch thrown with the rear hand. The uppercut is an upward punch thrown with either hand. All of these punches are used to score points in a boxing match and can be used to knock out an opponent.