What are the nerve roots of the lumbar plexus? Neurology What are the nerve roots of the lumbar plexus? A. L2,L3,L4,L5,S1 B. L1,L2,L3,L4,L5 C. T11,T12,L1,L2,L3 D. T12,L1,L2,L3,L4 Answer: D Share this Share on FacebookTweet on TwitterPlus on Google+