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WHAT test - Wrist Hyperflexion and Abduction of the Thumb The wrist is hyperflexed and the thumb abducted in full metacarpophalangeal and interphalangeal extension. Exacerbation of the symptomatology is considered a positive test result for De Quervain's tenosynovitis 水田有樹 @PT_yuu_mizu628 #WHAT #Wrist #Hyperflexion #Abduction #Thumb #Test #DeQuervains #Tenosynovitis #PhysicalExam #clinical #video #sports #msk #orthopedics #rheumatology