Extensor Retinaculum

• Lateral attachment:

  • Distal part of anterior surface of radius

  A) Extensor Retinaculum

  
• Medial attachment:

  • Distal end of ulna
  • pisiform
  • triquetral
  • ulnar collateral ligament of wrist

  A) Extensor Retinaculum

  
• Function:

  • Holds extensor tendons in place & prevents bowstringing

  A) Extensor Retinaculum