Thumb CMC Grind Test
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Purpose
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The purpose of the Thumb CMC Grind Test is to assess the integrity of the thumb CMC joint. Reproduction of the patient's pain and crepitus is a positive test for arthrosis and synovitis.
Technique
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The grind test is performed by gripping the patient's metacarpal bone of the thumb and moving it in a circle and loading it with gentle axial forces. A patient with thumb joint arthritis generally complains of a sudden sharp pain at the CMC joint.
Evidence[edit | edit source]
Provide the evidence for this technique here
Resources[edit | edit source]
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