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

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 ...

Start in a standing position with your feet together and your arms at your sides, a relatively light weight in your right hand. Raise your right arm to a horizontal position. If a line were drawn ...

Shoulder external rotation (ER) exercises are key components of rehabilitation programs aimed at enhancing shoulder muscle stability and preventing subsequent injuries 1,2,3. Scapular stabilization ...

Abduction moves your arm or leg to your sides, away from the midline. Adduction brings your arm or leg back toward the midline. These movements are used in many daily tasks and should be targeted with ...