Some of the hardest exercises I do in the gym (read: accessory work) require little to no equipment. Building a solid foundation makes other functional movements we perform every day easier and ...

Strengthening and mobility exercises can often help reduce shoulder pain and improve joint flexibility. Shoulder pain is a common symptom that affects an estimated 18–26% of adults. In one 2017 ...

Upper body workouts can often go heavy on the biceps and triceps, but you don't want to shrug off shoulder exercises. Trainers say that a good deltoid muscle workout does more than help you (literally ...

While ripped arms look good, strong shoulders will help you move through life easier. The muscles in your shoulders are involved in every upper body movement, whether you realize it or not. Every ...

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 ...