As an orthopedic surgeon, I often see tennis players who are dealing with elbow or shoulder pain. They are the types of ...

The forearms are often overlooked in training, but they play a crucial role in grip strength, wrist stability, and overall arm development. Exercise scientist Milo Wolf ranked the best and worst ...

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. You probably work your ...

Your leg muscles are often applauded for doing most of the work on a run. But you’re not just running around with your arms tucked by your sides—at least you shouldn’t be. Instead, your arms swing ...

Bicep stretches can help increase your flexibility and range of motion, as well as help prevent injuries. Stretches can be done standing, seated, and with the assistance of a wall or doorframe. Share ...

When you think of training your upper body, your mind likely jumps to muscles like the biceps, triceps, shoulders, and chest. Yes, these are all so important for a strong bod. But your routine may be ...

To achieve a sculpted look with the upper body, you need a well-rounded routine made up of exercises that target every part of the arm, including the shoulders, triceps and biceps. Strong arms don’t ...

Triceps stretches are arm stretches that work the large muscles at the back of your upper arms. Regular stretches can help prevent injury, increase range of motion, and prevent tight triceps, among ...

P90X Stretch X, the stretch routine included in the popular at-home fitness program, may provide much-needed relief after completing the brand’s intense cardio and strength training workouts. It’s ...

Stress can leave your muscles feeling tight and needing a stretch. Challenging workouts can, too. Long, hard runs? Yep. Heck, just sitting at your desk or driving for a long time can leave you tight!