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 ...

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?

Share on Pinterest Eccentric exercise may help build muscle strength with less strain on the body, which may benefit older individuals. DragonImages/Getty Images A lesser-known type of exercise can ...