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, ...

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.

Warming up before exercise may not increase your overall strength, but new research shows it gives your muscles the speed and explosive power needed for rapid movements. Study: The effect of muscle ...

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, ...

Please provide your email address to receive an email when new articles are posted on . The FDA has granted 510(k) clearance to Neuro20 Technologies for its Neuro20 Pro System, a wearable whole-body ...

Regular activity not only strengthens muscles but can bolster our bones, blood vessels, and immune system. MIT engineers have now found that exercise can also have benefits at the level of individual ...