Medically reviewed by Amy Kwan, PT Your latissimus dorsi (your "lats") is a broad, flat, triangle-shaped muscle that spans ...

Arm pain is a common experience with many possible causes. Acute injury, overuse (wear and tear), and underlying conditions ...

Keep reading to learn more about rotator cuff conditions and other potential causes of right shoulder and arm pain. The rotator cuff is a group of muscles and tendons that keep your upper arm bone ...

A pulled (or strained) muscle could take a few days to feel better. Severe injury could take weeks to months. Find out what ...

In the second world war, the physician Henry Beecher observed that some of his soldier patients, despite being injured on the ...

Stop wasting your time on ineffective arm exercises. We reveal six essential moves for sculpting bigger, stronger biceps and triceps.

Training your arm muscles isn't super complicated, especially since there's a wealth of movements that are easily accessible for all types of exercisers. You can target your biceps, the crown ...

"My shoulder pain wakes me up if I roll over ... The rotator cuff consist of four muscles within the shoulder, connecting the upper arm (humerus) to the shoulder blade (scapula).

It plays a role in many arm movements and supports respiratory muscles to help with breathing. Traumatic or overuse injuries to your lats can cause pain and discomfort that affects your mobility.