Serratus Posterior Inferior


Summary

Location: In the middle back, extending from the lower spine to the lower ribs.

Information

Group: Ribcage
Subgroup: Serratus Posterior
Side(s) of body: Back
Function/action: Rib Depressor

Details

Joint: Costovertebral, Costotransverse
Bone: Ribs
Origin: Arises from the spinous processes of the T11 to L2 vertebrae.
Insertion: Attaches to the lower ribs, specifically the ninth to twelfth ribs.