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Median nerve

Plexus origin, regional course, relations, collateral and terminal branches, and territories of the median nerve.

  • 46 explained questions
  • 37 flashcards
  • 80 estimated course minutes

Updated

What you will learn

  • Reconstruct the origin of the median nerve from its lateral and medial roots.
  • Describe its successive relationships from the axilla to the carpal tunnel.
  • Match each collateral branch with its destination.
  • Distinguish the territories of the lateral and medial terminal trunks.
  • Define its motor and sensory territories and their exceptions.

Course outline

  1. Origin and proximal course

    Form the median nerve from the lateral and medial cords, then follow its relationships in the axilla and arm.

    13 min

  2. Relationships from elbow to hand

    Follow the median nerve between the heads of pronator teres, behind flexor digitorum superficialis, and through the carpal tunnel.

    15 min

  3. Collateral branches

    Classify the seven collateral branch groups by level and osseous, vascular, articular, muscular, or cutaneous destination.

    17 min

  4. Terminal branches in the hand

    Distribute the motor and digital branches between the lateral and medial trunks at the lower border of the carpal tunnel.

    18 min

  5. Motor and sensory territories

    Define the muscles and skin surfaces supplied by the median nerve while retaining the ulnar exceptions.

    17 min

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