Internal Oblique Muscle
Frontalis Muscle – Attachments, Actions & Innervation
Attachments of Frontalis Muscle: Origin & Insertion
Origin: (proximal attachments)
Insertion: (distal attachments)
Skin around eyebrows and nose.
Actions of Frontalis Muscle on the face:
Raises eyebrows & wrinkles forehead as it draws scalp back.
Nerve to Muscle and its Spinal Segment:
Temporal branch of facial nerve.