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, ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

Traditional lifting often fails as we age; discover the "continuous tension" method that firms skin and muscle without the ...

The constant quest to improve performance is a top priority in the world of fitness and sports. Whether you're a high-performance athlete, a fitness enthusiast, or just someone looking to optimize ...

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.