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, ...

You may be able to improve mobility in your shoulders with stretches, such as the cross-arm stretch, and exercises with and without weights. These can include rows and arm swings. Whether you have ...

Shoulder sprains and strains are both injuries that can happen due to overuse of or trauma to the shoulder. While the symptoms of the two are similar, they involve different types of tissue within ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Sleep helps the body repair itself. However, some people may notice that their shoulder hurts after sleeping, or that sleep makes their preexisting shoulder pain worse. Shoulder pain from sleeping has ...