Micro-organisms in the gut support healthy digestion by helping nerve cells within the intestine to regulate the contraction and relaxation of the muscle wall of the colon, according to new research ...

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, ...

Progressive muscle relaxation (PMR) is a technique where a person tenses and relaxes different muscles in their body to relieve tension and induce a relaxation response. The relaxation response is a ...

(CNN) -- Editor's note: Dana Santas, known as the "Mobility Maker," is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book ...

A concentric contraction is a type of muscle activation that causes tension on your muscle as it shortens. As your muscle shortens, it generates enough force to move an object. This is the most ...

Progressive muscle relaxation (PMR) is a therapy that involves tightening and relaxing muscle groups in a specific pattern, one at a time. One way to relieve muscle tension is to do progressive muscle ...

Background Most studies of exercise-induced muscle injury have focussed on eccentric contractions, which are known to produce damage and delayed soreness. It is less well known that isometric ...

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, ...

Not just bones: How calcium affects the nervous system and muscles, its connection to chronic stress, and why it’s important ...