Dissection of iliopsoas muscle and lumbar plexus
Iliopsoas and quadratus lumborum muscles, anterior view
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Image #184-6
Dissection of iliopsoas muscle and lumbar plexus
Iliopsoas and quadratus lumborum muscles, anterior view
The relations of the iliopsoas muscles to the lumbar vertebrae, pelvic girdle and thigh are illustrated in this dissection. In the following two views details of the lumbar plexus and of the innervation of the iliopsoas muscle have been worked out on the left side of the same specimen.
- Abdominal aorta
- 7th costal cartilage
- Ren dexter
- Transversalis fascia
- Ureter
- Sigmoid colon
- Femoral nerve
- External iliac artery
- Upper pointer: Uterus Lower pointer: Urinary bladder
- Pubic crest
- 12th rib
- Subcostal nerve
- 3rd vertebral ligament (covered by anterior longitudinal ligament)
- Iliohypogastric nerve
- Quadratus lumborum muscle
- Psoas major muscle (psoas minor muscle absent in this specimen)
- Common iliac artery
- Iliacus muscle
- Iliac crest
- Lateral femoral cutaneous nerve
- Deep circumflex iliac artery
- Greater trochanter