Serratus posterior Superior Flashcards
1
Q
origin of serratus posterior superior
A
- lower end of ligamentum nuchae
- SPs of C7-T2/3
2
Q
insertion of serratus posterior superior
A
ribs 2-5 lateral to angle
3
Q
innervation of serratus posterior superior
A
first 4 intercostal nerves (ventral rami T1-T4)
4
Q
blood supply of serratus posterior superior
A
highest intercostal artery, posterior intercostal arteries
5
Q
action of serratus posterior superior
A
elevates upper ribs during inspiration
