Set 1 Muscles Face, Head, and Neck
zygomaticus (major and minor) cranial aponeurosis frontalis Epicranius temporalis orbicularis oculi occipitalis zygomaticus (major and minor) buccinator masseter orbicularis oris depressor anguli oris
Temporalis Muscle
Temporalis Origin: Insertion: Action: temporal fossa (temporal bone) coronoid process (mandible) closes jaw (chewing)
Epicranius: Frontalis
Epicranius: Frontalis Origin: Insertion: Action: epicranial aponeurosis skin and muscle around eye raises eyebrow and wrinkles forehead
Epicranius: Occipitalis
Occipitalis Origin: Insertion: Action: occipital bone (to mastoid process of temporal bone) epicranial aponeurosis raises eyebrow and wrinkles forehead
Orbicularis Oculi
Orbicularis Oculi (sphincter) Origin: Insertion: Action: maxillary and frontal bones skin around eyes (eyelids) closes eye; winking and blinking
Eye color
Orbicularis Oculi
Buccinator
Buccinator “trumpet player” Origin: Insertion: Action: maxilla and mandible orbicularis oris (corner of mouth) flattens and compresses cheeks (blowing and holding food against teeth when chewing)
Masseter
Masseter Origin: Insertion: Action: lower border of zygomatic arch ramus of mandible closes jaw; chewing
Orbicularis oris
Orbicularis Oris Origin: Insertion: Action: muscles near mouth (buccinator), encircles mouth skin of lips, angle of mouth closes and puckers lips; kissing
Zygomaticus: Minor and Major
Zygomaticus: Minor and Major Origin: Insertion: Action: arch of zygomatic bone orbicularis oris minor - upper lip major- corner of mouth) raises corner of mouth; smiling Minor- expression of contempt Major – laughing and smiling
Depressor Anguli Oris
Depressor Anguli Oris Origin: Insertion: Action: mandible corner of mouth draws mouth downward; pouting