Kalmar “supinator” tana nufin wata tsoka da ke cikin gaɓoɓin hannu da ke taka rawa wajen jujjuya hannu da hannu. Musamman, tsokar mai jujjuyawa tana da alhakin juya tafin hannun zuwa sama ko a cikin "matsayi". Hakanan ana iya amfani da kalmar "supinator" don kwatanta yanayin likita da ake kira supination, wanda ke nufin wuce gona da iri na juyawar ƙafa ko idon sawu.
