Heavy dead lifts, deep squats and power cleans can place dangerous stress upon the spine, knees and shoulders and could lead to early onset osteoarthritis. (Photo by THIERRY ZOCCOLAN/AFP/Getty Images) ...

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.

If you’re looking to strengthen and increase the size of your shoulder muscles, including your triceps, you might want to consider adding the shoulder press into your workout routine. Whether you’re ...

Jenessa Connor is a writer with experience writing health, fitness, and nutrition topics for publications, websites, companies, and experts in wellness spaces. Regular resistance training that engages ...

This article was medically reviewed by Elizabeth Barchi, MD, a sports medicine specialist and member of the Prevention Medical Review Board, on June 17, 2019. The shoulders are the most flexible joint ...

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The deltoid is a round muscle that goes around the top of your upper arm and shoulder. The main function of the deltoid is to help you lift and rotate your arm. There are three parts of the deltoid ...