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 ...

Fun fact: The shoulder joint is the most flexible joint in the body because of its ball-and-socket structure, which allows for a wide range of movements. Shoulder mobility exercises and stretches can ...

This dynamic plank variation is redefining how Americans build core strength, balance, and upper-body endurance—without ...

Internal Rotation is an often-overlooked exercise for the shoulders. It is important however, as it helps strengthen the rotator cuff, increases stability of the shoulder joint and improves range of ...

Add Yahoo as a preferred source to see more of our stories on Google. These are the top exercises you should be doing if you're new to exercise. It's no secret that getting enough exercise is vital ...

Total-body workouts are great, but some people prefer to split up their workouts by body part instead. If you go this route, you'll likely have push day workouts in the mix. As the name implies, a ...

The following workouts doesn't require any special equipment just a chair and mat, which mean you can do these exercise at home. Many people feel uncomfortable and worry that they require a gym ...