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.

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 ...

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 ...

Frequent headaches, restless nights and unexplained muscle cramps may signal magnesium deficiency. An internal medicine ...

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 ...

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 ...

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 ...

Kirstyn Hill has worked as a clinical pediatric and women’s health pharmacist since 2020. She was driven to work with a patient population that is not often able to easily speak up for themselves and ...