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

While sitting still at your desk or watching TV, you sense a feeling of muscular discomfort in your arm or leg. It’s not quite a charley horse, but you can see your skin pulsating involuntarily, as if ...

We've all been there before. Running along the basketball court or swimming across the pool, when, all of a sudden, we experience a sharp pain in our foot or leg. Muscle cramps are common, affect ...

Daily exercises to build muscle after 45, with expert coaching cues, to improve strength, balance, and muscle retention.

In most workout splits, one to two dedicated leg days per week is common, but it really all depends on your fitness level and ...

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 ...

Leg day is a staple in any well-rounded workout routine. And while many people make it a priority for a peachier backside or toned calves, strong legs are essential for reasons beyond aesthetics. In ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

Medically reviewed by Raynetta Samuels PT, DPT, CLT Body-weight exercises are convenient and effective for strengthening your body.These exercises can be done anywhere and do not require ...

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 ...