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 ...

Want to max out the muscle growth of your shoulders? These exercises will work the anterior, medial and posterior portions of your deltoids.

Your deltoid muscles make up a main muscle group in your upper body. They’re connected with many other muscles and bones in your upper back, neck, and shoulder region and are extremely mobile. They ...

Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical Solutions for Back ...

Upper-body strength is essential in performing everyday tasks, whether it be carrying a heavy laundry basket, lifting a suitcase or picking up a child. A lot of my clients don’t focus on working their ...

Your rotator cuff includes several muscles that support range of motion in your arm and shoulder while holding the socket in place. The rotator cuff is a group of four muscles that hold your upper arm ...

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. Your shoulders are an ...

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, ...

Rhomboid muscle pain occurs between the shoulder blades and spine. It may feel like tenderness around the shoulder blade. Risk factors for rhomboid muscle pain include injury and general overuse. The ...