This muscle with two origins is a major flexor of the arm at the elbow.

biceps brachii
What are the two main bones of the forearm?
Radius and the Ulna
Muscles that turn the palm down.

Pronator teres and quadratus
This muscle with three origins is extends the arm at the elbow.

triceps brachii
Carpal refers to what in the arm?
the wrist bones
This muscle is deep in the forearm and wraps around the radius. It moves the forearm turns the palm up.

Supinator
Muscle that begins in the brachial region and inserts on the radius.

brachioradialis
This muscle is one that some people have and some do not.

Palmaris longus
This muscle flexes the wrist and abducts the wrist. It follows the radius.

Flexor carpi radialis
This muscle originates higher on the humerus and inserts on the forearm. It is deep to the biceps brachii.

brachialis
Flexion and adduction of the hand at the wrist.


flexor carpi ulnaris
This muscle moves the wrist and fingers and is on the posterior side of the forearm.

extensor digitorum
Which bone is in the brachial region of the body?
Humerus
Anterior forearm muscle that moves the fingers and bends the wrist.

What is flexor digitorum superficialis
This muscle is on the lateral posterior forearm (both longus and brevis) and runs along the radius and over the wrist.

extensor carpi radialis (longus and brevis)