Neck: Superficial Flashcards
1
Q
Sternocleidomastoid
A
Origin- mastoid process; lateral half of superior nuchal line
Insertion- manubrium of sternal head; medial third of clavicle
Innervation- spinal accessory nerve; C2,C3
Action- unilateral: lateral flexion & superior rotation of neck
Bilateral- flexion of neck
