Muscle Table (muscle, orgin, insertion, action)

Buccinator (muscle) origin, insertion, and action

Origin= Maxilla and Mandible

Insertion= Orbiculoris oris

Action= Compresses cheeks

Occipitofrontalis (Frontal belly) Orgin, insertion, action

Origin= Epicranial aponeurosis

Insertion= Skin of eye brows

Action = Raises eyebrows

Occipitofrontals ( Occipital belly) Origin, insertion, action

Origin= Occipital bone

Insertion= Epicranial aponeurosis

Action= Pulls scalp posteriorly

Masseter origin, insertion, action

Origin= Zygomatic arch

Insertion = Mandible (angle/ramus)

Action= Elevates mandible closes jaw (chewing)

Orbicularis oculi origin, insertion and action

Origin= Medial margin of orbit

Insertion= Skin around orbit

Action= Closes eyelids

Orbicularis oris origin , insertion, action

Origin= Maxilla and Mandible

Insertion= Skin around mouth

Action = Purses/ closes lips

Risorius origin, insertion , action

Origin= Foscia of skin at corner of mouth

Insertion= Corner of mouth

Action = Pulls corner of mouth laterally

Sternocleidomastoid origin, insertion , action

Origin= Sternum and clavicle

Insertion= Mastoid process of temporal bone

Action= Rotates head and flexes neck

Temporalis origin, insertion, action

Origin= Temporal fossa

Insertion = Coronoid process of temporal bone

Action= Elevates Mandible

Trapezius origin, insertion and action

Origin= Occipital bone and cervical vertebrae

Insertion = Clavicle and Scapula

Action= Moves scapula and extends neck

Zygomaticus major origin, insertion and action

Origin= Zygomatic bone

Insertion = Corner of mouth

Action= Smiling