title: The anatomy of backache.
mesh_terms: D001415:Back / Q000294:innervation*; D001416:Back Pain / Q000209:etiology*; D006801:Humans; D007085:Ilium; D008022:Ligaments / Q000294:innervation; D008159:Lumbar Vertebrae / Q000294:innervation; D008160:Lumbosacral Plexus / Q000033:anatomy & histology; D008161:Lumbosacral Region / Q000294:innervation; D009132:Muscles / Q000294:innervation; D012447:Sacrum / Q000294:innervation; D013127:Spinal Nerves / Q000033:anatomy & histology*; D013900:Thoracic Nerves / Q000033:anatomy & histology