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 ...

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 ...

Muscles are biological powerhouses, capable of truly incredible feats. You only need to look at the world’s strongest man, capable of dead lifting over 500kg, to see what they can accomplish. While ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. What makes the cells of the muscles contract? – ...