This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Torticollis or Wryneck is due to 
Select and explain. 
A. Sternocleidomastoid and trapezius, B. Sternocleidomastoid and Platysma, C. Trapezius and sternohyoid, D. Trapezius and omohyoid
A: Sternocleidomastoid and trapezius
Answer: A: Sternocleidomastoid and trapezius 
Explanation: It is due to spasm of the muscles supplied by spinal accessory nerve i.e. sternocleidomastoid and trapezius.