Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

Fast twitch muscles help with sudden bursts of energy involved in activities like sprinting and jumping. Twitch muscles are skeletal muscles that help support your movement. They’re especially ...

Night leg cramps are sudden, painful muscle contractions in the calves, feet, or thighs, often occurring during sleep. These spasms, lasting seconds to minutes, can be caused by muscle fatigue, ...

Bananas are often toted as a remedy for cramps, but do they really help with these painful muscle spasms? Here's what the ...

The lower leg lies between the knee and ankle and works with the upper leg and foot to help perform key functions. In the leg are a number of bones, muscles, tendons, nerves and blood vessels. These ...

Building your fast-twitch muscle fibers can help you get stronger and faster. This type of muscle fiber is responsible for the fast, explosive movements used in activities like sprinting, jumping, and ...

A rarer condition that causes eye twitching is known as blepharospasm and involves “forceful, involuntary closure of both eyes at the same time,” Moss says. She notes that blepharospasm can range from ...