Companion studies suggest muscle begins to decline decades before sarcopenia takes hold for keeps. The best part: The process ...

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, ...

Using powerful new visualization technologies, researchers have captured the first 3-D images of the structure of a key muscle receptor, providing new insights on how muscles develop across the animal ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...

When labor begins, the uterus must coordinate rhythmic, well-timed contractions to deliver the baby safely. While hormones such as progesterone and oxytocin are key contributors to that process, ...

Preserving lean mass is the secret to staying mobile and independent as you age; these expert-recommended proteins are your best defense against natural muscle loss.

As we enter midlife, subtle biological changes begin to reshape the body. The good news? Losing strength is not inevitable if you fuel your body correctly and train with intention.

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.