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.

At the molecular level, muscle contraction is defined by myosin molecules pulling actin filaments. New electron cryomicroscopy images with unprecedented resolution taken by researchers at Osaka ...

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 ...

Hamstring injuries are among the most common injuries in sports, particularly in activities involving sprinting and rapid ...

Researchers have just made the unexpected discovery of a novel organization of muscle fibers in Parophidion vassali, a fish that lives in the Mediterranean Sea and, like many fish, uses specialized ...

Calcium is the essential "on switch" for muscle contractions and a critical partner in maintaining hydration during hard ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “Muscle stimulators do exactly what they promise—stimulate muscles,” Lori Diamos, M.S., P.T., owner of PT ...