Learn what are the names of all the different muscles of the upper arm. Their basic & anatomy, location, & functions of the anterior & posterior arm muscles.

Nov 16, 2023 · Arm muscles. The arm muscles are a group of five muscles located in the region between the shoulder and elbow joints. They are divided into two distinct compartments of the arm. The anterior (flexor) compartment contains the biceps brachii, coracobrachialis and brachialis muscles.

What are the arm muscles? You have more than twenty muscles in your upper arm and your forearm (the area between your elbow and your wrist). Your arm muscles help you with small, precise (fine motor) movements, such as wiggling your fingers or fastening a button.

Oct 29, 2023 · In this article, we shall look at the anatomy of the muscles of the upper arm – their attachments, innervation and actions. Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way.

Apr 23, 2025 · The arm muscle diagram comprises the brachialis, brachioradialis, triceps brachii, and biceps brachii. These muscles are in charge of pronation, supination, and wrist flexion/extension in addition to movements at the forearm and wrist joints.

Jan 13, 2024 · Arm anatomy consists of 3 main parts: the upper arm, forearm, and hand. It spans from the shoulder to the fingers and contains 30 bones, nerves, blood vessels, and muscles. The brachial plexus supplies the arm’s nerves. Starting at …

May 5, 2025 · The arm is made up of the humerus, radius, and ulna, allowing for a wide range of movements and providing structural support for muscles. Arm muscles are grouped into anterior and posterior compartments, with key muscles like …

Jun 18, 2018 · Your arms contain many muscles that work together to allow you to perform all sorts of motions and tasks. Each of your arms is composed of your upper arm and forearm. Your upper arm...

Aug 20, 2024 · Arm muscle anatomy refers to the location and function of the muscles of the arms. These muscles attach to the shoulder blade, upper arm bone (humerus), forearm bones (radius and ulna), wrist, fingers, and thumbs. The arm muscles control movement at the elbow, forearm, wrist, and fingers.

The upper limb comprises many muscles which are organized into anatomical compartments. These muscles act on the various joints of the hand, arm, and shoulder, maintaining tone, providing stability and allowing precise fluid movement. Axioappendicular groups of muscles arise from the axial skeleton to act upon the pectoral girdle.