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

Zero-drop hiking shoes can alleviate pains on the trail, but they're not for everyone. Here's how to decide whether they're ...

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

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 ...