The ________ is a synergist of the latissimus dorsi; it extends, medially rotates, and adducts the humerus.

teres major

teres minor

supraspinatus

infraspinatus

________ is a powerful forearm extensor.

Triceps brachii

Brachialis

Biceps brachii

Brachioradialis

Tennis players often complain about pain in the arm (forearm) that swings the racquet. What muscle is usually strained under these conditions?

the triceps brachii

the flexor digitorum profundus

the brachioradialis

the anconeus