The lumbosacral region is bounded above by the spinous process of T12 and the twelfth rib, and below by the posterior iliac crest, the upper margin of the gluteal muscles, and the coccyx. Described below are the different layers penetrated to gain access to the posterior lumbosacral region.
KeywordsRectus Sheath Lumbosacral Spine Vertebral Canal Spinal Nerve Root Lumbosacral Region
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