lumbar nerve


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lumbar nerve

[′ləm‚bär ′nərv]
(neuroscience)
Any of five pairs of nerves arising from lumbar segments of the spinal cord; characterized by motor, visceral sensory, somatic sensory, and sympathetic components; they innervate the skin and deep muscles of the lower back and the lumbar plexus.
References in periodicals archive ?
Injury: Herniated disc in a lumbar nerve root requiring two surgeries and physical therapy.
The success ratio of the lumbar nerve root blocking is over 95% in our study; this indicates that, in both approaches, the drug is able to be delivered at the periradicular space.
However, efforts to achieve greater uniformity have been successful with the development of reproducible grading systems such as The Combined Task Force nomenclature for lumbar disc disease (updated in 2014) (22) and the van Rijn criteria for lumbar nerve root compression.
Lumbar plexus blocks produce anesthesia of most of the lumbar nerve roots and some of the sacral nerve roots.
This pair of foramina gives passage to fifth pair of sacral and coccygeal nerve and fifth pair of lumbar nerve respectively.
Marc Tadie and colleagues (France) have rerouted lumbar nerve roots from below the injury site to the spinal cord above the injury site, creating a functional neuronal pathway from brain to paralysis-affected leg muscles.
Broadly speaking, the technique for lumbar nerve root injection is similar to the transforaminal injection.