The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Hand to knee gait in polio is due to involvement of which muscle?   (A) Gastrocnemius   (B) Gluteus medius   (C) Quadriceps   (D) Hamstring
['(C) Quadriceps <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Gastrocnemius \n (B) Gluteus medius \n (C) Quadriceps \n (D) Hamstring <> possible answers', '  Hand to knee gait in polio is due to involvement of which muscle? <> context@']