Lateral Muscles of the Neck Flashcards
Inferior attachment of middle scalene
Superior surface of 1st rib; posterior to groove for subclavian artery
Superior attachment of the middle scalene
Posterior tubercles of transverse processes of C4-C7 vertebrae
Nerve that innervates middle scalene
Anterior rami of cervical spinal nerves
Action of middle scalene
Flexes neck laterally; elevates 1st rib during forced inspiration
Superior attachment of posterior scalene
Posterior tubercles of transverse processes of C4-C6 vertebrae
Inferior attachment of of posterior scalene
External border of 2nd rib
Innervation of Posterior scalene
Anterior rami of cervical spinal nerves C7 and C8
Action of posterior scalene
Flexes neck laterally, elevates 2nd rib during forced inspiration
What is the superior attachment of the anterior scalene?
Anterior tubercles of transverse processes of C3-C6 vertebrae.
What is the inferior attachment of the anterior scalene?
1st rib
What is the innervation of the anterior scalene?
Cervical spinal nerves C4-C6
Action of anterior scalene
Flex the neck laterally, elevataes 1st rib during forced inspiration