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?

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 ...

Answer: There are various types of contractions. A concentric contraction is when the muscle shortens as it overcomes resistance, such as in an upward curl with a weight. An eccentric contraction is ...

Neuroscientists report that they can inhibit muscle contractions by shining light on spinal cord neurons. The researchers studied mice in which a light-sensitive protein that promotes neural activity ...