The following techniques are not permissible in amateur mixed martial arts while an amateur mixed martial arts contestant is in a standing position: Striking an opponent with the elbows; Striking with the knees to the head of an opponent; Kicking the knees of an opponent; Stomping the feet of an opponent; Striking the groin of an opponent; Striking the back of an opponent's head; Striking the spine of an opponent; Slamming an opponent to the ground; Throwing an opponent onto his or her head or neck; Throwing an opponent against a joint; Throwing an opponent out of the competition area; Cranking the neck of an opponent; Pinching, biting, or gouging an opponent; Holding onto the ropes of enclosure; and Striking or kicking the kidney of an opponent. The following techniques are not permissible in amateur mixed martial arts while an amateur mixed martial arts contestant is on the ground: Any striking of an opponent's head; Any striking of an opponent with an elbow; Cranking of an opponent's neck; Hooking an opponent's heel; Locking an opponent's finger or toe; Choking an opponent by the placement of a hand on the opponent's throat; Smothering an opponent by the placement of a hand over the opponent's mouth; Locking an opponent's spine; Placing an opponent in a hammer lock; Fish hooking an opponent; Striking an opponent in the groin; Striking an opponent in the spine; Slamming an opponent to the ground; Throwing an opponent out of the competition area; Pinching, biting, or gouging an opponent; Twisting an opponent's leg, knee, or ankle; and Striking or kicking the kidney of an opponent.