The deltoids are the muscles that cover the front, back and side of the shoulder joint — and they are essential for everyday movements like raising your arms, lifting a child or carrying groceries.

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 ...

Daily exercises to build muscle after 45, with expert coaching cues, to improve strength, balance, and muscle retention.

The best exercises for shoulders can help build strength and muscle, making everyday tasks easier, whether that’s washing your hair, passing food across the table or lifting a heavy shopping bag.

Building in the time to your workout schedule for growing and toning your shoulder muscles can pay off both physically and aesthetically. Having upper body muscle can create a very athletic appearance ...

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 ...

Exercises for men over 60 to build muscle daily, guided by a certified trainer, to restore strength without heavy lifting.

Lack of exercise or weight gain can lead to unsightly sagging fat on the arms. This can make the body look disproportionate ...

Get step-by-step instructions for chair exercises for arms that build strength, improve mobility, and support everyday ...

Well-defined shoulders not only enhance your silhouette but also create a balanced frame that makes your waist appear smaller and improves overall posture. The good news? You don’t need complicated ...