This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscles of arm and forearm region & Cubital fossa, Subject name: Anatomy
A boy presents with injury to medial epicondyle of the humerus. Which of the following would NOT be seen:- 
Select and explain. 
A. Loss of the ulnar detion, B. Complete paralysis of the IIIrd and IVth digits, C. Atrophy of the hypothenar eminence, D. Decreased sensation of the hypothenar eminence
B: Complete paralysis of the IIIrd and IVth digits
Answer: B: Complete paralysis of the IIIrd and IVth digits 
Explanation: Injury to medial epicondyle damages ulnar nerve - Paralysis of flexor carpi ulnaris (loss of ulnar detion) Medial half of flexor digitorum profundus (loss of DIP flexion) Hypothenar muscle paralysis (and atrophy) and Sensory loss on the hypothenar eminence. Flexor digitorum superficialis (supplied by median nerve for finger flexion) and extensor digitorum (supplied by radial nerve for finger extension) are still functional.