Running works a variety of muscles throughout the body but mostly works leg muscles like the glutes, quads, and calves.

Treadmills and ellipticals each provide effective cardio but choosing one over the other depends on your fitness level, goals ...

But the strongest muscle by weight is the masseter, a chewing muscle in the jaw, D'Agostino said. It is small, but it has ...

Squatting is a common exercise that many likely learned in gym class. However, do you know the proper form for a squat and what muscles it works? Ensuring you're doing a squat correctly is essential ...

The Minimal Dose for Strength Most athletes believe that if they aren't working out at the gym five days a week, their strength will disappear. The truth? Scien ...

GRAND FORKS, N.D. -- Among the host of winter’s challenges, muscle pain caused by the cold can aggravate people this time of year, according to Heidi Panos, physical therapist with Altru Health System ...

Ever notice how some people seem to build muscle eating whatever they want, while you’re over here measuring every ounce of chicken breast and still struggling to see results? Here’s what’s really ...

Affecting everyone from everyday runners to the the San Francisco 49ers and international soccer stars, most experts still ...

Muscle cells contain their own circadian clocks and disrupting them with shift work can have a profound impact on aging, according to the results of a preclinical study carried out by Jeffrey Kelu, ...