Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

Progressive muscle relaxation is a technique of sequential contraction and relaxation of the muscles of the body from head to toe. It is easy for patients to learn and can be an important adjunctive ...

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— ...

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 gut microbiome, the complex community of bacteria carried in the gastrointestinal tract, is increasingly linked to health and disease in a range of ways. Researchers using live imaging in ...

If you are frequently in the gym or are an endurance athlete, you know that your muscles need all the support they can get.