1st Carpometacarpal Movements

• Abduction/adduction:

  • Total ROM: 80 °

  A) 1st Carpometacarpal

  
• Flexion/extension:

  • Total ROM: 40 - 50 °

  A) 1st Carpometacarpal

  
• Opposition:

  • Phase 1: abduction
  • Phase 2: flexion and medial rotation
  • Phase 3: adduction (depending on where it wants to go, i.e. to a finger or part of palm)

  A) 1st Carpometacarpal