Time under contraction is not directly measured in a typical weight training program. Most people really don't even think about the number of seconds a given muscle is forced to work. Indirectly, ...

New research has shown one type of muscle contraction is most effective at increasing muscle strength and muscle size -- and rather than lifting weights, the emphasis should be on lowering them. Good ...

Share on Pinterest Research suggests that short bursts of daily exercise may be more beneficial for muscles. The Good Brigade/Getty Images A new study finds that exercising briefly five days a week ...

Exercises to improve muscle tone after 55, 5 daily moves from a CPT to look firmer fast, without heavy lifting.

Try seated leg exercises for men over 65, a joint-friendly daily routine from CPT Tyler Read to maintain strength.

Some workouts leave you buzzing, muscles pumping, and energy on high. Others leave you wondering if you made any progress at all. The difference often comes down to more than just the weight on the ...

If your fitness goal is to up the ante on endurance, pack more power into your sprint, or supercharge your strength gains in the gym, it’s worth exploring – what are the different muscle fiber types?

Plus, exactly how to train to sculpt your muscles.