Keeping the arm muscles healthy and limber may help prevent issues from injury or overworking. This article discusses the function and anatomy of ... on the posterior side of the humerus.

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 ...

like combing hair weakness or stiffness in your shoulder muscles pain that increases at night, making it difficult to sleep on the affected side cracking or popping sounds when you move your arm ...

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 extends from ...

You also use them when you move your arm forward in front of your body. Lateral deltoid. If you move your arms out to the side, you are using the largest deltoid muscles: the lateral.

The axilla is the space in the interval marking the junction of the upper arm and the chest ... the subclavius muscle, and the collar bone, at the side of the lowest part of the neck.