Science reveals that your lower legs act as a secondary circulatory pump, pushing blood against gravity to protect your heart ...

In a serendipitous discovery, UC San Diego researchers using cryo-EM technology captured the first visualizations of the 3-D structure of the muscle acetylcholine receptor in fetal and adult muscles.

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, ...

Don't let aging drain your strength—learn which high-impact proteins can shield your lean mass and keep your metabolism ...

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 ...

Occasional leg cramps are considered common and usually harmless, especially after physical exertion, dehydration, or ...