What is the action of the coracobrachialis muscle?Multiple choice question.flexes the forearm at the elbowflexes the arm at the shoulderextends the arm at the shoulderretracts scapula

What is the action of the brachialis?Multiple choice question.extends elbowsupinates forearmflexes elbow

The action of the supinator is to ______ the forearm.Multiple choice question.extendlaterally rotatemedially rotateflex

What is the primary action of the supraspinatus muscle?Multiple choice question.adducts armextends armflexes armabducts arm

hat is the action of the only muscle located on the back of the arm, the triceps brachii?Multiple choice question.flexes forearm at the elbowextends forearm at the elbowflexes arm at the shoulder

A single muscle acts to extend the elbow joint. This muscle is located on the ______.Multiple choice question.posterior surface of the humerusposterior surface of the ulnaanterior surface of the ulnaanterior surface of the humerus