The labrum is a narrow piece of cartilage that supports the stability of the humerus bone to the shoulder socket. It is also where other ligaments come together to support the ball-and-socket joint, ...

This upper-body workout chisels strong chest, shoulder and arm muscles without push-ups, using just three exercises.

Add Yahoo as a preferred source to see more of our stories on Google. Man performing resistance band pull-apart Let’s be honest, warming up your shoulders is not the most exciting part of your workout ...

You don’t need weights to build strong, defined shoulders. These joint-friendly moves deliver serious results using just your bodyweight. At some point, every guy goes all-in on shoulders. Maybe it’s ...

The subscapularis tendon is a tendon that plays a role in the rotator cuff and shoulder biomechanics. It is one of four muscles that make up the rotator cuff, and helps the shoulder move in internal ...

You can improve upper-body mobility and range of motion with this quick and easy mobility routine from a personal trainer.

Have you ever finished a workout and noticed your muscles looking fuller, tighter and more defined? It is what the fitness enthusiasts call a muscle pump. This temporary swelling happens when blood ...

Building bigger shoulders is more about proper form, range of motion, and maximum tension—and far less about lifting super heavy. Exercise scientist Mike Israetel, PhD, of Renaissance Periodization, ...

Cable lateral raise is a shoulder exercise that works the middle head of the deltoid muscle, which is the rounded muscle at the very top of each shoulder. According to studies, this exercise ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. We’re going to start ...

Building bigger shoulders is more about proper form, range of motion, and maximum tension—and far less about lifting super heavy. Exercise scientist Mike Israetel, PhD, of Renaissance Periodization, ...