carpal tunnel

floor

  • Formed laterally by the scaphoid and trapezium tubercles
  • Formed medially by the hook of the hamate and the pisiform

contents

  • Flexor Pollicis Longus (most medial)
  • Median Nerve
    specifically on the radial side of flexor digitorum superficialis
  • Flexor Digitorum Superficialis (4 tendons)
  • Flexor Digitorum Profundus (4 tendons)

wrist cross section netters carpal tunnel.jpg

  • FDS and FDP share a common flexor sheath
  • FPL has its own sheath