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, ...

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 neuromuscular junction - where nerves and muscle fibers meet - is an essential synapse for muscle contraction and movement. Improper function of these junctions can lead to the development of ...