From holding heavy weights to longevity, grip strength is key. Try these moves to make it even better.

Volkmann contracture, or Volkmann ischemic contracture, is a permanent shortening of your forearm muscles. It causes a “claw-like” posture of your hand, wrist, and fingers. Volkmann contracture ...

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 ...

What Is the Body’s Core? Your body’s core is the term used for the group of muscles within your midsection that stabilize your spine and pelvis. Several muscles and groups of muscles make up the core ...

When you think of arm muscle, you probably think of the biceps, the muscle that’s at the front of your upper arm. While the biceps hog the limelight, it’s actually the muscle behind it, the triceps, ...