<prompt> FROMENTS SIGN is due to which nerve injury?Intercostobrachial nerveRadial nerveUlnar nerveMedian nerve  <response>: FROMENTS SIGNBOOK TEST: - Tests Adductor pollicis muscle - It is innervated by ULNAR NERVE - In ulnar nerve injury, when the patient is asked to grasp a book firmly bw thumb other fingers of both the hands, Terminal phalanx of thumb on paralysed side becomes flexed at interphalangeal joint 