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 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 ...

You have 20 muscles in your forearm, the part of your arm between your elbow and your hand. They help you move your arms, hands, and fingers and perform many of the tasks of daily life. You can strain ...

Your pectoralis major is a large and powerful chest muscle that’s shaped like a fan. It starts from two sections: your breastbone (sternum) and your collarbone (clavicle). The two sections come ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Did you know that your chest muscles are essential in ...

You don’t need fancy equipment to tone and strengthen the muscles in your arms. Body weight exercises like planks, pushups, and arm circles can help you get the job done anytime, anywhere. Arm ...

Stronger triceps means stronger, more toned arms. Try these research-backed exercises to build strength, power, and definition.