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.

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 ...

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 ...

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, ...

Researchers have just made the unexpected discovery of a novel organization of muscle fibers in Parophidion vassali, a fish that lives in the Mediterranean Sea and, like many fish, uses specialized ...

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 “Practical ...

This is a preview. Log in through your library . Abstract Plasmodial fragments of Physarum polycephalum, excised from anterior regions of a thin-spread plasmodium, contracted-relaxed cyclicly with a ...

You’ve tried everything. Stretching routines, massage therapy, foam rolling, hot baths, and still, that nagging tightness in your muscles persists. Before you book another bodywork session or invest ...

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 ...

If you are frequently in the gym or are an endurance athlete, you know that your muscles need all the support they can get. As an avid gym-goer and personal trainer, I have found that listening to the ...