Muscle Palpation Quadratus Lumborum

Origins:
1 Iliac Crest
2 Iliolumbar Ligament [Extended TP of L5 and Iliac Crest]

Insertions:
1 Rib 12
2 Transverse Processes of L1 – L4

Functions:
1 Extensions of Trunk @ the Spinal Joints
2 Lateral Flexion of the Trunk @ the Spinal Joints
3 Elevation of the Pelvis @ LumboSacral Joint
4 Anterior Tilt of the Pelvis @ the LumboSacral Joint
5 Depression of the Rib 12

Nerve:
Ventral Rami of T12, L1, L2, L3