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lumbar spinal nerve
Function:
- motor function
- L1-L2: hip flexion
- L3-L4: hip adduction
- L5: hallux dorsiflexion
- sensory function
- L4: dorsomedial foot
- L5: dorsal foot
Structure:
- nerves emerging from the lumbar spinal cord (L1-L5)
- the nerves exit the intervertebral foramen below the corresponding lumbar vertebrae
- L1-L4 enter into formation of the lumbar plexus
- L4 & L5 enter into formation of the sacral plexus
Related
dermatome
lumbosacral plexus
myotome
Specific
1st lumbar spinal nerve (L1)
2nd lumbar spinal nerve (L2)
3rd lumbar spinal nerve (L3)
4th lumbar spinal nerve (L4)
5th lumbar spinal nerve (L5)
General
spinal nerve
References
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999
- Geriatrics at your Fingertips, 21st edition, 2019
Reuben DB et al (eds)
American Geriatric Society
ISSNL 1553-152X, ISBN 978-1-886775-62-6