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3rd lumbar spinal nerve (L3)

Function: - hip flexion - sensory anterior medial thigh Innervation: 1) quadriceps 2) iliopsoas Pathology: - referred pain: [2] a) L2 & L3 -> anterior medial thigh b) L3 -> knee Notes: - Deep tendon reflex at the knees tests L3 & L4.

Related

dermatome myotome

General

lumbar spinal nerve

References

  1. Medical Knowledge Self Assessment Program (MKSAP) 11, 18. American College of Physicians, Philadelphia 1998, 2018
  2. Harrison's Principles of Internal Medicine, 13th ed. Isselbacher et al (eds), McGraw-Hill Inc. NY, 1994, pg 73-74
  3. Geriatrics at your Fingertips, 21st edition, 2019 Reuben DB et al (eds) American Geriatric Society ISSNL 1553-152X, ISBN 978-1-886775-62-6