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? – ...

The muscles that you use to move your body are called skeletal muscles because they move your bones. Each muscle is attached to bones by tendons. When a muscle shortens, it tugs on the tendon, which ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...