Read the full story on Greatist. Some fitness trends make it seem like in order to get in shape, you have to bounce around like crazy, throw tires into the air, or leave a pool of sweat on the ground ...

Exactly how you lift has garnered significant attention from researchers in recent years. With studies examining the exact length of time you execute each rep, which portion of the rep you focus on ...

A 72-year-old athlete shares a beginner-friendly bodyweight routine designed to preserve strength, balance and independence ...

For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

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.

Isometric, isotonic, and isokinetic exercises refer to the different techniques for activating and strengthening muscles. Isometric exercises, like planks, involve activating muscles with no movement.