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?

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 ...

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 ...

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 ...