A powerful muscle in the lower body quietly supports the heart’s work every single day. Experts say it plays a far greater ...

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, ...

Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

Actomyosin is a protein complex composed of actin and myosin. It is found in muscle fibers where it plays a role in muscle contraction. Actin is one of the most abundant proteins in eukaryotes. It ...

Using powerful new visualization technologies, researchers have captured the first 3-D images of the structure of a key muscle receptor, providing new insights on how muscles develop across the animal ...

Magnesium plays a role in over 300 enzyme reactions in the body. It supports muscle movement, nerve signals, blood sugar ...

One of the biggest things a first-time mother may wonder as she approaches her due date is what contractions will feel like during labor. Many women may even wonder if they will be able to recognize ...

As a doctor of physical therapy, I work with clients every day who are dealing with pain. The pain-medicine industry might tell you there are endless ways to reduce or eliminate pain without lifting a ...