Chest pain by itself is the most well-known symptom of a heart attack, but it can also be a symptom of conditions unrelated to your heart, such as respiratory problems, stomach acid reflux, or a ...

The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. This flexibility is also what makes the shoulder prone to instability and injury. Muscles, ...

The arm extends from the shoulder to the wrist, including the upper arm and forearm. Different muscles may work together in intricate ways to help the arm, wrists, fingers, and hands function. Knowing ...