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.

Let’s talk legs: They contain some of the most powerful muscles in the body (including those large muscles in your caboose called the glutes) and keeping them strong and limber is crucial for helping ...

You’ve probably heard it a million times: “Nothing beats squats for leg day!” But what if I told you there might actually be a better option for toning those legs? As a certified personal trainer, ...