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Posterior Ab Wall

Muscles of the Posterior Abdominal Wall

QuestionAnswer
Psoas major origin transverse processes of lumbar vertebrae
Psoas major insertion lesser trochanter of femur
Iliacus origin lateral of inferior portion of psoas major
Iliacus insertion iliac fossa, lesser trochanter of femur and joins with psoas tendon
Quadratus lumborum origin transverse processes of lumbar vertebra and 12th rib
Quadratus lumborum insertion iliolumbar ligament and iliac crest
Psoas major innervation lumbar plexus
Iliacus innervation femoral nerve
Quadratus lumborum innervation ventral branches of T12-L4
Psoas major action flexion of thigh, lateral flexor of vertebral column
Iliacus action flexion of thigh, stabilization of hip joint
Quadratus lumborum action extensor of vertebral column, lateral flexor of vertebral column
Created by: hoffman784