Muscles of the Arm

What muscle is the arrow pointing to that has two heads of its tendon

• Brachialis

• Brachioradialis

• Biceps brachii

• Triceps brachii

What muscle is B pointing to that acts as a synergist for the biceps?

• Brachioradialis

• Brachialis

• Triceps brachii

• Biceps brachii

What muscle is the arrow pointing to that extends the arm and acts as an antagonist to the biceps brachii?

• Brachioradialis

• Brachialis

• Triceps brachii

• Biceps brachii

What muscle is the arrow pointing to that works with other muscles to help flex the arm?

• Brachioradialis

• Brachialis

• Triceps brachii

• Biceps brachii

What muscle is the arrow pointing to that works to extend the wrist along the radius?

• Extensor carpi ulnaris

• Extensor digitorum

• Extensor carpi radialis

• Flexor carpi radialis

What muscle is the arrow pointing to that works to extend the wrist along the ulna?

• Extensor carpi ulnaris

• Extensor digitorum

• Extensor carpi radialis

• Flexor carpi radialis

What muscle is the arrow pointing to that works to extend the digits?

• Extensor carpi ulnaris

• Extensor digitorum

• Extensor carpi radialis

• Flexor carpi radialis

What muscle is the arrow pointing to that works to flex the wrist along the radius?

• Flexor carpi ulnaris

• Extensor digitorum

• Extensor carpi radialis

• Flexor carpi radialis

What muscle is the question mark pointing to that works to flex the wrist along the ulna?

• Flexor carpi ulnaris

• Extensor digitorum

• Extensor carpi radialis

• Flexor carpi radialis

Identify the ELBOW action for the BICEPS BRACHII muscle.

• flexion at the elbow (humeroulnar joint)

• extension at the elbow (humeroulnar joint)

• this muscle does not cross the elbow and therefore has no action at the elbow