A new Penn State study finds that tiny core contractions, the small tensing you do when you stand up or take a step, ...

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.

Nutritional deficiency, dehydration, and nerve compression are all potential reasons you might experience leg cramps. Here, ...

A new study suggests severe obesity may weaken heart muscle cells in people with heart failure with preserved ejection ...

A Penn State study in Nature Neuroscience suggests that abdominal muscle contractions may promote brain health by driving cerebrospinal fluid flow that clears neural waste. Researchers found that even ...

In a new research report, a team of scientists led by Johns Hopkins Medicine say people with severe obesity and a common type ...

Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...