<prompt> Froments Sign is seen in:Ulnar nerve palsyMedian nerve palsyMusculocutaneous nerve palsyPosterior Interosseous nerve palsy  <response>: Froment Sign: In case of ulnar nerve palsy adductor pollicis supplied by ulnar nerve is paralysed. S o, patient holds the book between thumb and palm by using flexor pollicis longus supplied by AIN nerve . This produces flexion at inter-phalangeal joint, while holding book. 