origin: zygomatic bone, zygomatic arch

insertion: ramus of mandible

action: elevates mandible

origin: temporal bone

insertion: coronoid process of mandible

action: elevates and retracts mandible

origin: mastoid process of temporal bone

insertion: mandible via a pulley tendon on hyoid

action: depresses mandible

origin: manubrium, clavicle

insertion: mastoid process of temporal bone

action: rotates head toward oppostite side

origin: occipital bone, spinous proceses of vertebrae from C7-T12

insertion: acromion process of scapula, spine of scapula, acromial end of clavicle

action: elevates scapula

origin: spinous processes of vertebrae T2-T5

insertion: medial border of scapula

action: adducts scapula

origin: spinous processes of vertebrae T6 to sacrum

insertion: intertubercular sulcus of humerus

action: adducts arm

origin: clavicle, sternum

insertion: distal to greater tubercle of humerus

action: flexes arm (humerus)