title: Unusual cause of weakness of the lower extremity following vaginal delivery under epidural analgesia: iliopsoas muscle strain.
mesh_terms: D000328:Adult; D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D011247:Pregnancy; D013180:Sprains and Strains / Q000209:etiology*; D013848:Thigh