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 ...

(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 ...

Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...

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, ...

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 ...

This tropical fruit delivers an unexpected combination of protein and magnesium, making it a powerful ally for energy, ...

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 ...

Panel A shows the microscopic myoarchitecture of the circular and longitudinal muscle layers of the lower esophageal sphincter and stomach. The circular muscle fibers of the esophagus cross each other ...

Occasional leg cramps are considered common and usually harmless, especially after physical exertion, dehydration, or prolonged sitting or standing.