Posterior oblique ligament

• Small Joints of Hand - 1st Carpometacarpal Joint - Posterior oblique ligament:

  Origin:

  • Posterior surface of trapezium

  A) Posterior oblique ligament

  B) 1st Carpometacarpal Joint

  
• Small Joints of Hand - 1st Carpometacarpal Joint - Posterior oblique ligament:

  Insertion:

  • medial side of 1st metacarpal (merges with anterior oblique ligament on route)

  A) Posterior oblique ligament

  B) 1st Carpometacarpal Joint

  
• Small Joints of Hand - 1st Carpometacarpal Joint - Posterior oblique ligament:

  • Role: Limits flexion

  A) Posterior oblique ligament

  B) 1st Carpometacarpal Joint