What are the signs and symptoms of foot drop caused by L5 compression?

Updated: Mar 23, 2020
  • Author: James W Pritchett, MD; Chief Editor: Vinod K Panchbhavi, MD, FACS  more...
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Another central-nerve insult that can be associated with foot drop is L5 compression. In addition to weakness in the peroneal nerve distribution, weakness of the tibialis posterior is noted. Back pain, sciatica, and limitation of straight leg raising also are seen. Motor conduction velocity may remain normal.

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