<prompt> Adson;s test is positive in -Cervical ribCervical spondylosisCervical fractureCervical dislocation  <response>: Adson;s test is a provocative test for Thoracic Outlet Syndrome accompanied by compression of the Subclan aery by a cervical rib or tightened anterior and middle scalene muscles. Ref : Bailey and love surgery text book 27th Ed. 