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hand complex, CMC joints of the fingers - Coggle Diagram

- - - - thumb has only 1
      - other fingers each have a
        
        proximal IP joint-PIP
        
        distal IP joint- DIP
- - - - Only articulates with the
        base of 3rd metacarpal
        and not the
        1st metacarpal
- - - - Flexion/Extension
    - - CMC joints of digits 2 and 3
        are considered immobile,
        hence zero degree of freedom
      - CMC joint of Digit 4
        have some degree of flexion/extension
  - - - Flexion/extension
      - Abduction/Adduction
      - Limited amount of opposition
- - - - Adjusting to palm to the shape of the object
  - - - finger
        extension
  - - - Flex and rotate the 5th digit on its long axis (opposition)