Muscle, Zygomaticus (M. Zygomaticus, Bna, Jna)

Muscles are one of the most important parts of the human body and play a key role in performing various movements. One of these muscles is the zygomatic muscle. In this article we will talk about the anatomy, function and common diseases associated with this muscle.

The zygomatic muscle, or zygomaticus, is a group of muscles of mastication that help move the upper jaw, lower jaw up and down, and open the mouth. It is located on the inside of the cheeks and adjacent to the angle of the lower jaw. The main function of the zygomatic muscle is to support the opening of the mouth and rotation of the jaw around its axis.

There are several diseases that cause pain or limited function of the zygomatic muscle. The most common are:

Inflammation and swelling of the muscle. Inflammation causes jaw swelling and pain, and may be accompanied by redness of the skin. Swelling can occur as a result of injury, increased pressure in the trigeminal nerve, or infection. Bone fracture in the cheekbone area. May occur as a result of falling onto a blunt hard surface. When the zygomatic bone is fractured, the pain intensifies with pressure or movements of the lower jaw. Pain may occur immediately at the time of injury or several days later; In any case, the injury should be taken seriously and see a doctor. Ki