What is the action of the biceps brachii?Multiple choice question.extends shoulder; extends the elbowextends shouldersupination; flexes shoulder and elbow

The biceps brachii  extends the elbow joint   supinates the forearm   is in the posterior compartment of the upper arm   extends the shoulder joint   is a single-joint muscle

Which muscle flexes the arm at the elbow?Multiple choice question.biceps brachiideltoidtriceps brachii

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

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

Which muscles rotate the forearm?Multiple choice question.triceps brachii and biceps brachiipalmaris longus and brachioradialissupinator and pronator teresbrachialis and coracobrachialis