Provocative test for diagnosing carpal tunnel syndrome.

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Provocative test for diagnosing carpal tunnel syndrome.

By Sergey Goloborod'ko 10 Videos

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March 12, 2011

The patient’s forearm must be positioned in pronation and the patient’s wrist must be in ...
read more ↘ neutral position or in slight extension (50–70). The physician places his or her semiflexed II–III fingers of one hand over the palmar surface of the distal half of the first metacarpal ( FM ), and II–III fingers of his or her opposite hand over the palmar surface of the pisotriquetral complex ( PTC ). The physician’s thumbs are placed dorsally over the lunate bone ( LB ). The examiner then simultaneously begins to press dorsally using his or her II–III fingers and volarly by the thumbs as if squeezing out the lunate bone volarly.
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