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.

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...

Men and women who briefly contracted their arm muscles as hard as possible once daily increased their biceps strength by up to 12 percent in a month. By Gretchen Reynolds Could three seconds a day of ...

Recently, I wrote a column about my battle with carpal tunnel syndrome, and my subsequent surgery. A big problem with a hand and wrist injury is that you can’t grip anything or exert any appreciable ...

Imagine going to the gym for the first time or after an extended break. Following a good warm-up, you move to the squat rack, load up the bar and crack on. You might think that this doesn’t feel too ...

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?