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September 1984

Reflexes of the External Urethral Sphincter in Children

Arch Neurol. 1984;41(9):942-945. doi:10.1001/archneur.1984.04050200048017

• The electromyographic responses in the external urethral sphincter to electrical stimulation of the pudendal nerve and stretch of the external sphincter were analyzed in a pediatric population; the population included a group with recurrent urinary tract infections and a group with complete or almost complete upper spinal cord lesions. Electrical stimulation produced a response of reflex nature mediated in the sacral spinal cord, frequently beginning with two components that could be individually characterized and that behaved similarly to a flexor reflex. The response produced by stretch appeared to be similar to that produced by electrical stimulation.