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 ...

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 ...

When you think about strengthening and toning your body, the forearms likely aren't the first thing that comes to mind. But they play a crucial role in many everyday activities since they are ...

‘These are responsible for flexing and extending at your wrist and elbow and the rotation of your palms. Combined, they also make up your grip strength,’ Charlotte Samaroo, a sports therapist and PT ...

Forearm exercises can increase muscle strength and endurance and improve bone health. Exercises that benefit the forearms include pull-ups and wrist curls. After discussing the forearm in more detail, ...

Dynamic stretching isn’t just a warm-up—it’s a performance booster. By actively moving muscles and joints, you prime your body for speed, power, and endurance. Science shows it can improve flexibility ...

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 ...

Editor’s note: Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain. As you head into the gym, you likely already have a workout plan in mind. Maybe ...

Waking up feeling stiff can happen at any age.People with arthritis or more sedentary lifestyles are more prone to morning joint stiffness.Simple morning movements—such as leg presses and wrist flexor ...

The extensor carpi radialis longus (ECRL) is a muscle in your forearm that works in conjunction with the other muscles and tendons in your arm to help move your wrist and hand. It is in the same ...