<prompt> All are features of anterior interosseous nerve AIN syndrome except NOT RELATEDThere is sensory loss on the medial 2 fingersInability to perform OK-sign approximate thumb and tip of index fingerAIN is entrapped under pronator teres, flexor digitorum profundus, flexor carpi radialisConservative treatment generally, surgery rarely  <response>: There is sensory loss on the medial 2 fingersThere is no sensory impairment in anterior interossous nerve AIN syndrome. 