Injury to the ulnar nerve in the elbow results in: (A) Total claw hand, (B) Paralysis of all interossei, (C) Complete paralysis of flexor digitorum profundus, (D) Paralysis of all lumbricals
Answer is B. All interossei - Dorsal and Palmar are supplied by ulnar nerve. Dorsal interossei have the function of Abduction Palmar interossei have the function of Adduction. Ref : Gray's Anatomy The Anatomical Basics of Clinical Practice 41 e pg 784.