Anatomy: (cont.)

• Nerve supply: Not always symmetric

  • unmyelinated nerve endings located in capsule and ligaments providing pain and thermal sensation
  • capsule also contains encapsulated and unencapsulated nerve endings for position and vibration
  • posterior structures innervated by lateral branches of posterior rami L3-S3--primarily L5-S2
  • anterior structures innervated by lateral branches of posterior rami L2-S2--primarily L4-S1

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