Occipitofrontalis
Head & Face
It's actually two muscles connected by a big sheet of fascia — the galea aponeurotica.
Function
Raises eyebrows, wrinkles forehead, retracts scalp
Origin
Occipital belly from superior nuchal line; frontal belly from skin of eyebrow
Insertion
Galea aponeurotica
Innervation
Facial nerve (CN VII)