What is the function of occipitalis?

The occipital lobe is the visual processing area of the brain. It is associated with visuospatial processing, distance and depth perception, color determination, object and face recognition, and memory formation.

Where is the occipitofrontalis muscle located?

The occipitofrontalis or epicranius is a muscle which covers parts of the skull. It consists of two parts or bellies: The occipital belly, near the occipital bone, and the frontal belly, near the frontal bone.

Where is the occipitalis located and what does it do?

Occipitalis is a relatively thin, rectangular shaped muscle which arises from the occipital bone and inserts in the epicranial aponeurosis. Its primary function is to move the scalp towards the posterior of the skull.

What is the occipitalis muscle attached to?

The occipitalis is a thin quadrilateral muscle in the posterior scalp. It originates on the occipital bone and the mastoid process of the temporal bone. It inserts into the galea aponeurotica. The occipitalis draws the scalp posteriorly.

What is the origin insertion and action of occipitalis?

Occipitofrontalis muscle

Origin	Frontal belly (frontalis): Skin of eyebrow, muscles of forehead Occipital belly (occipitalis): (Lateral 2/3 of) superior nuchal line
Insertion	Epicranial aponeurosis
Action	Frontal belly: Elevates eyebrows, wrinkles skin of forehead Occipital belly: Retracts scalp

What is the occipitalis muscle?

The occipitalis muscle, or occipital belly, is a muscle situated on the back of the skull. Some anatomists consider occipitalis and frontalis to be two discrete muscles while others prefer to categorize them as two regions of the same muscle unit – the epicranius, or occipitofrontalis.

What is the action of occipitofrontalis?

Function. The occipitofrontalis muscle helps to create facial expressions. Assisted by the occipital belly, the frontal belly draws the scalp back, which raises the eyebrows and wrinkles the forehead.

What is the origin of occipitalis?

Where does the occipitofrontalis insertion?

It inserts into the epicranial aponeurosis. the frontal belly, near the frontal bone. It originates from an intermediate tendon that connects to the occipital belly. It inserts in the fascia of the facial muscles and in the skin above the eyes and nose.