A cat punch, also known as a rabbit punch, is a term used to describe a quick and forceful blow to the back of the neck or head, typically delivered with a closed fist. The term “cat punch” is sometimes used specifically to describe a punch that is delivered to the base of the skull or upper neck, whereas a “rabbit punch” is generally understood to refer to a punch that is delivered to the back of the head.

Although the name “rabbit punch” suggests that the technique might be used against rabbits, the term actually comes from the way that hunters used to dispatch rabbits by striking them sharply at the base of the skull. Similarly, the term “cat punch” may have originated from the idea that cats often deliver a swift blow to the back of the neck when they are hunting prey.
Regardless of its origins, the cat punch has been used in combat sports and self-defense for centuries. In martial arts such as karate and jujitsu, strikes to the back of the head and neck are sometimes taught as part of a larger arsenal of techniques. However, in most modern combat sports such as boxing and mixed martial arts (MMA), strikes to the back of the head are considered illegal and can result in a penalty or disqualification.
There are several reasons why the cat punch is considered a dangerous technique. First, striking the back of the neck or head can cause damage to the cervical spine, which is the part of the spine that runs through the neck. If the force of the blow is strong enough, it can cause a fracture or dislocation of one or more of the vertebrae in the cervical spine, which can be life-threatening.
In addition to the risk of spinal injury, a punch to the back of the head or neck can also cause concussion or other traumatic brain injury. This is because the skull provides less protection to the brain in this area, and a blow to this part of the head can cause the brain to shift or bounce inside the skull, leading to injury.
Another reason why the cat punch is considered dangerous is that it can be difficult to defend against. Because the punch is delivered to the back of the head or neck, the defender may not be able to see it coming and may not have time to react before the blow lands. This can make the cat punch a particularly effective technique in self-defense situations, where the attacker may be looking for an opportunity to strike quickly and escape.
Despite its potential dangers, the cat punch remains a popular technique in some circles. In self-defense training, for example, instructors may teach the cat punch as a way to quickly incapacitate an attacker and escape to safety. However, it is important to remember that using the cat punch (or any other strike to the head or neck) can have serious consequences, both for the attacker and the defender.
In conclusion, the cat punch is a striking technique that involves delivering a quick and forceful blow to the back of the neck or head. While the technique has been used in combat sports and self-defense for centuries, it is also considered dangerous because of the risk of spinal injury and traumatic brain injury. As with any self-defense technique, it is important to consider the potential risks and consequences before attempting to use the cat punch in a real-world situation.