A patient with leprosy presents with clumsiness of hand. His ulnar nerve is affected. Clumsiness is due to palsy of which muscle -: (A) Extensor carpi ulnaris, (B) Abductor pollicis brevis, (C) Oppenens pollicis, (D) Interosseous muscle
Answer is D. Clumsiness is due to paralysis of muscles which are involved in fine movement i.e., interossei, lumbricals and hypothenar muscles.