Muscle Palpation - Quadratus Lumborum

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 @ Lumbo-Sacral Joint 4- Anterior Tilt of the Pelvis @ the Lumbo-Sacral Joint 5- Depression of the Rib 12 Nerve: Ventral Rami of T12, L1, L2, L3