Sternocleidomastoid


Summary

Location:In the neck, running diagonally from the base of the skull to the clavicle and sternum.

Information

Group:Neck
Side(s) of body:Front, Back
Function/Action:Neck Flexor, Head Rotator, Head Lateral Flexor

Details

Joint:Cervical
Bone:Sternum, Clavicle, Temporal Bone
Origin:Sternal head: Manubrium; Clavicular head: Medial third of clavicle.
Insertion:Mastoid process and lateral half of superior nuchal line.