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 ...

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, ...

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

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 ...

The sarcoplasmic reticulum (SR) is a specialised organelle in skeletal muscle fibres that plays a pivotal role in regulating calcium dynamics crucial for muscle contraction and relaxation. Acting as ...

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 ...