Touching your toes depends on the flexibility of your hamstrings, calves, ankles, glutes, hips, and lower back. Tightness in any one area can limit your reach. You may be able to improve flexibility ...

If there’s one familiar sound whenever a volunteer tries out an interactive device that uses electrical muscle stimulation, it is probably laughter. Even for experienced users of the technology, the ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

Morning exercises for women over 50 to tone muscles, built by MA, CSCS coach Jarrod Nobbe for safe daily strength.

Muscle fatigue is a decreased ability to create force with your muscles. Electrolyte imbalance and overuse are some of the most common causes of muscle fatigue. Rest and massage are the best ways to ...

Without realizing it, many of us start our day by stretching before we even get out of bed. Involuntary stretching of your muscles is called pandiculation. It’s a behavior seen in most types of ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...