Ligaments and joints of lumbosacral spine and pelvic girdle
Iliolumbar ligaments, anterior view
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Image #155-6
Ligaments and joints of lumbosacral spine and pelvic girdle
Iliolumbar ligaments, anterior view
Muscles within the pelvic cavity have been preserved. The main constituents of the sacral plexus have been left intact on the right side.
- Body of vertebra L. IV (covered by anterior longitudinal ligament)
- Transverse process vertebrae L. IV
- Iliolumbar ligament
- Lumbosacral trunk
- Sacral nerve I (ventral branch)
- Arcuate line
- Obturator fascia
- Tendinous arch of levator ani muscle
- Intervertebral disc L. IV-V
- Promontory
- Iliac fossa
- Lateral part of sacrum
- Sacroiliac joint (pointer indicates ventral sacroiliac ligament)
- Piriform muscle (cut across)
- Greater sciatic foramen
- Inguinal ligament
- Superior fascia of pelvic diaphragm
- Pelvic surface of sacrum
- Levator ani muscle