If you've experienced pain in your calf, the Achilles tendon might have seemed like the culprit, but this odd muscle might ...

Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...

The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...

Science reveals that your lower legs act as a secondary circulatory pump, pushing blood against gravity to protect your heart and prevent dangerous blood pooling.

Building and maintaining muscle mass is important for everyone, regardless of age — and one of the strongest predictors of long-term health.

Seated exercises after 60 can rebuild muscle fast. Get 4 joint-friendly moves from CSCS Jarrod Nobbe, plus sets and form tips ...

Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...