Arm Movers/Forearm rotators

Question 1

What is the action of the biceps brachii?

Answer 1

Flexes elbow joint
Supinates forearm (usually at the same time)
Weake flexor of arm @ shoulder

Question 2

What is the action of the brachialis?

Answer 2

Major forearm flexor, synergist with biceps brachii

Question 3

What is the brachioradialis?

Answer 3

Synergist in forearm flexion, best when the forearm is partially flexed

Question 4

What is the action of the triceps brachii?

Answer 4

Agonist of forrearm extension
Antagonist of forearm flexors
Stabilizes shoulder joint and assists in arm adduction (long head tendon)

Question 5

What is the action of the anconeus?

Answer 5

Abducts ulna during forearm pronation

Question 6

What is the action of the pronator teres?

Answer 6

Prronates forearm
Weak flexor of the elbow

Question 7

What is the action of the supinator?

Answer 7

Forciblt supinates forearm with biceps brachii
weakly supinates forearm working alone
Antagonist of Pronator Teres