Name the muscle that may cause the following facial expression and write down its origin, insertion and action.
1. PLATYSMA
Origin: fascia of the upper thorax (including the clavicle, acromial region, pectoralis major, and deltoid muscle)
Insertion: lower border of mandible, skin of buccal/cheek region, lower lip, modiolus, orbicularis oris, and in some cases, orbicularis oculi
Action: depresses mandible and angle of mouth, tenses skin of lower face and anterior neck
2. MENTALIS
Origin: incisive fossa of mandible
Insertion: skin of chin/mentolabial sulcus
Action: elevates, everts, and protrudes lower lip, wrinkles skin of chin
3. ORBICULARIS ORIS
Origin: medial aspects of maxilla and mandible, perioral skin and muscles, modiolus
Insertion: skin and mucous membrane of lips
Action: closes mouth, compresses and protrudes lips
4. CORRUGATOR SUPERCILII
Origin: medial end of superciliary arches, fibers of orbicularis oculi muscle
Insertion: skin above middle of supraorbital margin
Action: pull the eyebrows medially and inferiorly
5. ORBICULARIS OCULI
Origin: nasal part of frontal bone, frontal process of maxilla, medial palpebral ligament, lacrimal bone
Insertion: skin of orbital region, lateral palpebral raphe, superior and inferior tarsal plates
Action: closes eyelids tightly (orbital part), closes eyelids gently (palpebral part), compresses lacrimal sac (deep palpebral part)
6. OCCIPITOFRONTALIS
Origin: frontal belly (frontalis), skin of eyebrow, muscles of forehead
Insertion: epicranial aponeurosis
Action: elevates eyebrows, wrinkles skin of forehead (frontal belly), retracts scalp (occipital belly)