Part B - Flexion and Extension Below is a picture of the biceps brachii on the l
ID: 3483471 • Letter: P
Question
Part B - Flexion and Extension Below is a picture of the biceps brachii on the left and the triceps brachii on the right These muscles are considered antagonists because they produce opposing movements. Which statements correctly describe the action of each muscle? Choose all the correct answers. Hints The biceps bract is the extensor, because it decreases the angle of te junt. The triceps brach" Is the flexor, because its lines of action cross on the antenor side of the joint it moves The biceps brachi is the flexor, because its lines of action cross on the anterior site of the joint t moves The triceps brachii is the extensor, because its lines of action cross on the posterior side of the joint it moves. D The biceps brachi is the flexor, because it Increases the angle between the bones that form the jit. The biceps brachi is the flexor, because its lines of action cross on the postenor side of the joint it moves. The triceps brachii is the extensor, because it decreases the angle of the joint.Explanation / Answer
BICEPS BRACHII: The biceps brachii which is a long headed is originated from the supraglenoid tubercle, the short headed biceps brachii is originated from the carocoid process.
These are the actions of biceps brachii.
TRICEPS BRACHII: The triceps brachii is called as the extensor muscle of the elbow joint.