The Range and Direction of Motion at the First Carpometacarpal

question 18

Multiple Choice

The range and direction of motion at the first carpometacarpal (CMC) joint produces opposition of the thumb.Opposition is sequentially ____________________.

• A) abduction,flexion,and adduction of the first metacarpal
• B) adduction,flexion,and abduction of the first metacarpal
• C) abduction,extension,and adduction of the first metacarpal
• D) Opposition does not occur at this joint.

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Definitions:

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