We need you! See something you could improve? Make an edit and help improve WikSM for everyone.


From WikiSM
Jump to: navigation, search


  • Iliacus
    • Iliac wing of the ilium
  • Psoas Major
    • Transverse process of the lumbar vertebra
    • Intervertebral discs of T12-L5 [1]
  • Psoas Minor
    • absent in 40% of individuals [1]
    • Body of T12 and L1



  • Flexion of the thigh and trunk
  • Lateral flexion of the lower vertebra


  • Common iliac artery
    • External iliac artery (most important) [2]


  • Psoas major and minor
    • short collateral branches of L1-L3 [3]
  • Iliacus
    • Femoral nerve of L1-L4
    • Terminal nerve of L1-L4 [3]

Clinical Significance

See Also

  1. 1.0 1.1 1.2 Van Dyke JA, Holley, HC, Anderson SD. Review of Iliopsoas Anatomy and Pathology. Radiographics. 1987 Jan;7(1):53-84
  2. Etz CD, Kari FA, Mueller CS, Silovitz D, Brenner RM, Lin HM, Griepp RB. The collateral network concept: a reassessment of the anatomy of spinal cord perfusion. J. Thorac. Cardiovasc. Surg. 2011 Apr;141(4):1020-8
  3. 3.0 3.1 Cronin CG, Lohan DG, Meehan CP, Delappe E, McLoughlin R, O'Sullivan GJ, McCarthy P. Anatomy, pathology, imaging and intervention of the iliopsoas muscle revisited. Emerg Radiol. 2008 Sep;15(5):295-310.
Created by:
John Kiel on 2 February 2020 18:17:38
Last edited:
3 August 2020 23:41:24