Dissection of iliopsoas muscle and lumbar plexus

Right iliopsoas muscle in relation to spine, pelvis and femur

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Image #185-2
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Dissection of iliopsoas muscle and lumbar plexus
Right iliopsoas muscle in relation to spine, pelvis and femur
1 . Medial arcuate ligament of diaphragm (medial lumbocostal arch)
2 . Sympathetic trunk
3 . Psoas major muscle
4 . Ligament of vertebral body (cut in sagittal plane)
5 . Iliac crest
6 . Iliacus muscle
7 . Greater trochanter
8 . Lesser trochanter
9 . Anterior longitudinal ligament (joined above this level by right crus of diaphragm which has been cutoff)
10 . Dura mater (lying within vertebral canal)
11 . Femoral nerve
12 . Sacral bone
13 . Lumbosacral trunk
14 . Piriform muscle
15 . Pubic bone
16 . Obturator externus muscle