Muscles of the Head and Neck Worksheet

Human Anatomy Name Muscle Action Elevates eyebrows Surprised look Frontalis Corrugator supercilii Depresses eyebrows medially Orbicularis oculi Closes eye Levator palpebrae superioris Elevates upper eye lids Opens eyes Orbicularis oris Puckers lips Zygomaticus minor Retracts and elevates upper lip Retracts and elevates corner of mouth Smiling Pulls corners of mouth laterally Tenses lips Zygomaticus major Risorius Levator labii superioris Raises upper lip Depressor labii inferioris Depresses lower lip Depressor anguli oris (triangularis) Mentalis Buccinator Depresses corner of mouth Frown, grimace Elevates and protrudes lower lip Pouting Compresses cheeks Whistling, sucking, blowing Platysma Tenses skin of neck (fear expression) Muscle Action Superior rectus Moves eye superiorly (elevation) Inferior rectus Moves eye inferiorly (depression) Lateral rectus Moves eye laterally (abduction) Medial rectus Moves eye medially (adduction) Superior oblique Rolls eye medially (intorsion) Inferior oblique Rolls eye laterally (extorsion) Muscle Origin Insertion Action Masseter Zygomatic arch Mandible Elevates mandible Biting Temporalis Cranial bones Mandible Elevates mandible Biting Medial pterygoid Pterygoid process Mandible Elevates mandible Biting Lateral pterygoid Pterygoid process Mandibular condyle Depresses mandible Opens mouth Genioglossus Inner chin Tongue Protracts tongue Hyoglossus Hyoid Tongue Retracts tongue Styloglossus Styloid process (temporal bone) Sternocleidomastoid Sternum Clavicle Sternohyoid Sternum Thyrohyoid Thyroid cartilage Stylohyoid Styloid process (temporal bone) Hyoid Swallowing Mylohyoid Mylohyoid line Hyoid Median raphe Swallowing Geniohyoid Inner surface of chin Hyoid Swallowing Digastric Mandible Temporal bone Hyoid Swallowing Tongue Mastoid process Hyoid Hyoid Retracts tongue Flexes head Rotates head Swallowing Swallowing