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.

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, ...

A new class of soft, electrically activated devices is capable of mimicking the expansion and contraction of natural muscles. These devices, which can be constructed from a wide range of low-cost ...

Muscle cramps are sudden, painful, involuntary muscle contractions caused by motor nerve hyperexcitability. They often affect the calves or hands and may result from dehydration, electrolyte imbalance ...

At one point or another, we’ve all experienced the unexpected, intense pain of a muscle cramp. Muscle cramps, also known as muscle spasms or charley horses, are the involuntary contraction of muscle ...