Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
What part of the body fits the following description?
Muscles associated with the scapula and are chiefly responsible for its retraction. They are innervated by the dorsal scapular nerve. There are two of them on each side of the upper back.
trapezius
biceps
rhomboids
triceps