Abstract
This article summarizes our current understanding of the neuroanatomy and neurophysiology of the pelvic floor. The electrodiagnostic evaluation of the pelvic floor muscles and external anal sphincter, including pudendal nerve conduction studies, sacral reflexes, and needs EMG is presented. The discussion reviews the test methodology, the strengths and limitations of each test, and their clinical utility. The authors have tried to critically review the objective evidence to support the use of electrodiagnostic tests in the evaluation and management of pelvic floor disorders. The reader will have a better understanding of the rationale, methodology, clinical utility, and potential pitfalls for each of the commonly used neurophysiological tests of the pelvic floor.
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