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 ...

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

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 ...

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, ...

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 ...

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 ...

A new study by researchers at Yale and Johns Hopkins University has discovered how asthmatic bronchial spasms — muscle contractions in the airway that cause difficulty breathing in asthma patients— ...

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 ...