What are parts of the arm called?
Each arm consists of four main parts:
- upper arm.
What is the muscle in the forearm called?
The superficial compartment of the flexor surface of the forearm contains the pronator teres, the flexor carpi radialis longus, the palmaris longus, the flexor carpi ulnaris, and the flexor digitorum superficialis. All of these muscles originate primarily from the medial epicondyle of the humerus.