Overview The temporalis muscle is a flat muscle on the lateral surface of the head. Its anatomy is a bit more complicated than expected when you look closer. Origin Insertion Function Innervation Temporal Fascia The temporal fascia covers the temporalis. Again, studies show varying results. Most texts discuss a multi-layered covering of the temporalis. Most […]
Overview Occipitalis is part of a larger structure called the epicranius or occipitofrontalis muscle. The epicranius consists of the frontalis muscle and the occipitalis muscle, which are joined by a fascial structure called the galea aponeurotica. Origin Insertion Function Innervation The occipitalis retracts the scalp, which pulls the hairline back and raises the eyebrows without
Overview The masseter anatomy is similar to other three-bellied muscles with a strong fascial covering, like gluteus medius and infraspinatus. Also, like those muscles, it balances and stabilizes a joint that needs both strength and flexibility. Pound for pound, it is considered to be the strongest muscle in the body. The masseter is a three-bellied
