occipitalis muscle

Occipitalis muscle originates from tendinous fibers from the lateral two thirds of the superior nuchal line (of the occipital bone) and the mastoid part of the temporal bone and inserts into the epicranial aponeurosis.

It is supplied by the posterior auricular and occipital arteries. It is innervated by the posterior auricular branch of the facial nerve.

Occipitalis acts to draw the scalp posteriorly.

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