<prompt> Froments sign is a feature of:Radial nerve palsyUlnar nerve palsyMedian nerve palsyTibial nerve palsy  <response>: Ans. b Ulnar nerve palsyMaheshwari 5th ed. 64Tests for ulnar nerve Card testPalmar interossei are Adductors PAD tested by asking the patient to hold a card between the extended fingers and assess resistance against pulling EgawatestDorsal interossei are Abductors DAB supplied by the ulnar nerve. It is tested by asking the patient to place the palm on table and move the middle finger both ways, i.e. towards index finger and ring finger. In Dorsal interossei palsy patient will be unable to abduct the middle finger. Book test Froments signTo test adductor pollicis ask the patient to grasp a book or card between extended thumb and index finger. An ulnar nerve palsy patient tries to grasp the book by flexing the inter- phalangeal joint of thumb. 