Cross Arm Test of the Acromioclavicular Joint (Scarf Test or Cross Body Adduction Test) The cross arm flexion test evaluates for acromioclavicular arthritis or subluxation. Flex the shoulder to 90 degrees and adduct across body. Pain at the acromioclavicular joint is a positive test. Video via @open_michigan #Cross #Arm #CrossArm #Scarf #crossbody #Test #Acromioclavicular #Joint #ACJoint #shoulder #PhysicalExam #clinical #video #sports #msk #orthopedics
