Contents

Search

4th lumbar spinal nerve (L4)

Function: - knee extension [1] - sensory anterior leg, medial foot Physical examination: - walking on heels test motor function at L4-L5 - deep tendon reflex at the knees tests L3 & L4 - ability to squat & rise tests L4 - light touch in the medial foot tests sensory function at L4 Innervation: - anterior tibialis Pathology: - referred pain: [2] - anterior shin

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

Images

image related to 4th lumbar spinal nerve (L4)