Figure 2
From: Clinical anatomy and 3D virtual reconstruction of the lumbar plexus with respect to lumbar surgery
The relationship between the lumbar plexus and the psoas muscle; show the lumbar plexus always located in the posterior the third of psoas major muscle in all cross section of lumbar the lumbar plexus nerve was marked by yellow circle. a: Cut image at L2; b: Cut image at L3 displays the L1 and L2 nerve roots; c: Cut image at L4; d: Cut image at L5 displays the L4 and L5 nerve roots;.