Upper arm bone (humerus) Your deltoid muscles start near your clavicle and scapula. The end of the muscles, or insertion point, attaches near your humerus.

Your rotator cuff is made up of muscles and tendons that keep the ball (head) of your upper arm bone (humerus) in your shoulder socket. It also helps you raise and rotate your arm. It’s a ...

Stretching is often a quick fix for shoulder stiffness. To address the root cause, here are four targeted exercises that not ...

Arm fat can be particularly frustrating. It’s often one of the last areas to respond to diet and exercise, and the first place to show when we gain weight. Whether you’re concerned about upper ...

The push-up isn't just for the chest. This article answers the question 'what muscles do pushups work' and provides tips on form, mistakes, and variations.

The scapula (shoulder blade), clavicle (collarbone) and humerus (upper arm bone) rely heavily on the coordination of muscles like the rotator cuff, trapezius, serratus anterior and deltoids to ...

By Dana Santas, CNN (CNN) — When your shoulders feel stiff, stretching might seem like the obvious answer. But in many cases, stretching is just a temporary fix rather than a real solution ...

The scapula (shoulder blade), clavicle (collarbone) and humerus (upper arm bone) rely heavily on the coordination of muscles like the rotator cuff, trapezius, serratus anterior and deltoids to ...