Triceps, Biceps, Brachialis and Brachioradialis are the main muscles.
Link on elbow muscles (anatomy) below will help
The muscles above the elbow are responsible for bending and straightening the arm.
The antagonist muscles of the elbow joint are the biceps brachii and brachialis, which oppose the action of the triceps brachii. In the radioulnar joint, the supinator and biceps brachii act as antagonists to the pronator teres and pronator quadratus muscles.
Muscles within the brachium are responsible for the extension of the elbow. These muscles also work for the flexing of the arm as well.
it is called the ucuranium
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The muscles located in the arm near the elbow are responsible for bending and straightening the arm.
mainly the muscles in your forearm, if you alternate pick fast ( pick up and down fast) you either use your wrist muscles or elbow muscles depending on what moves, your wrist of elbow.
triceps brachii
The bicep flexes the arm at the elbow.
Biceps Brachii
brechioradialis
The two muscles that act as antagonists to themselves during flexion and extension are the biceps brachii and triceps brachii. When the biceps contract to flex the elbow, the triceps relax, and when the triceps contract to extend the elbow, the biceps relax. This interplay allows for smooth movement and control of the arm.