In a serendipitous discovery, UC San Diego researchers using cryo-EM technology captured the first visualizations of the 3-D structure of the muscle acetylcholine receptor in fetal and adult muscles.

If you have a leg cramp, rest and gentle stretching may help relax the muscle. Other practices, like staying hydrated and changing up your diet, may help prevent leg cramps. What’s going on? Muscle ...

Medically reviewed by Katrina Carter, DPT Key Takeaways Voluntary muscles can be controlled by the person, like muscles in your neck and legs. Involuntary muscles work without you thinking about it, ...

One of the foremost benefits of stretching is increased and enhanced flexibility of the different muscle groups. It helps constricted and contracted muscles release back to their more comfortable ...

Muscle knots are highly irritated muscle fibers that have tightened into a ball in one area of your muscle. These painful, tender spots can feel sore and often occur in your upper back, shoulders, or ...

Your body naturally responds to stress by tightening muscles as part of the ancient fight-or-flight response, but modern life has created a perfect storm of chronic tension that your conscious mind ...