Muscles of the Face, Head and Neck
Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles contract, the skin moves Largest group of facial muscles are associated with the mouth
Region: cephalic/mouth Action: compresses cheeks towards teeth Ex: playing a trumpet
Region: cephalic/mouth Action: compresses, purses lips Ex: kissing
Region: cephalic/mouth Action: depresses corner of mouth Ex: frowning
Region: cephalic/mouth Action: draws corner of mouth upward Ex: smiling
Region: cephalic/eye Action: closes eye Ex: blinking, squinting
Region: cephalic/scalp Action: raises eyebrow, wrinkles forehead
Region: cephalic/scalp Action: tenses and retracts the scalp
Region: mandible Action: closes mandible Ex: closes mouth during chewing
Region: mandible Action: elevates, protracts and/or moves mandible side to side
Region: cephalic/mandible Action: elevates mandible Ex: clenching your jaw, crushing food
Region: cervical Action: tenses skin of neck, depresses mandible
Region: cervical Action: depresses mandible and elevates larynx Ex: opening mouth
Region: cervical Action: elevates floor of mouth and hyoid and/or depresses mandible Actually forms the floor of the oral cavity
Region: cervical Action: depresses hyoid bone and larynx
Region: cervical Action: depresses hyoid and larynx
Region: cervical Action: elevates larynx
Region: cervical Action: both sides together flex the neck; one side alone bends head toward shoulder and turns face to opposite side
frontalis temporalis Orbicularis oculi masseter buccinator Depressor anguli sternocleidomastoid zygomaticus Orbicularis oris platysma
Frontalis
Buccinator and orbicularis oris
Orbicularis oculi
Platysma
Orbicularis oris
Depressor Anguli Oris
Pectoralis major Pectoantebrachialis Clavobrachialis Clavotrapezius Cleidomastoid Sternomastoid Sternohyoid Mylohyoid Digastric Masseter