Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...

Skeletal muscle is the type of muscle that controls movement. Problems with these muscles can be minor, life-threatening, or ongoing problems that make it hard to perform basic daily activities.

Repetitive muscle contractions can cause pain in various parts of the body. But did you know that one of the simplest and most effective ways to relieve muscle pain involves something as ordinary as a ...

Regular strength training can improve your strength and flexibility, and decrease your risk of injury and falls. Keep reading for more benefits and tips to get the most out of your strength routine.