Chest pain can be disconcerting, but it’s important to remember that not all discomfort signals a serious health condition like a heart attack. In fact, the culprit behind the pain in your chest may ...

After a grueling CrossFit workout on a hot Summer morning that involved kettlebell swings, goblet squats, and about 100 walking lunges, my lower body was toast. But what was weird was that my left ...

slow-twitch muscle fibers, which move more slowly but help to keep you moving longer fast-twitch muscle fibers, which help you move faster, but for shorter periods “Twitch” refers to the contraction, ...

Muscle twitches, often experienced as sudden, involuntary movements in the muscles, are common yet can raise concerns for some individuals. These small, rapid contractions, medically known as ...

A muscle spasm — also known as a charley horse, muscle cramp or twitch — is a sudden, involuntary movement in one or more muscles. Common causes include stress, exercise, or dehydration, but nerve ...

Muscle twitches can occur for many reasons, such as a lack of sleep, caffeine use, nutrient deficiencies, overexertion, and stress. Depending on the cause, treatments and remedies may help relieve ...

Anxiety may sometimes cause any of your muscles to start twitching. It may be caused by neurotransmitters being released. Treating anxiety is the best way to prevent anxiety twitching. Twitching is ...

What's the first thing that comes to mind when you think about the words twitch and muscle? Spasms, perhaps. You'd hardly be alone in thinking that. But when it comes to fitness, it's most commonly ...

If your fitness goal is to up the ante on endurance, pack more power into your sprint, or supercharge your strength gains in the gym, it’s worth exploring – what are the different muscle fiber types?

From standing on your head and pressing on your eyeballs to breathing through a paper bag and chewing on a lemon, people will do just about anything to get rid of hiccups. The sudden, involuntary ...

Chest heaviness during winter is often blamed on cold weather, but doctors warn it can signal respiratory, cardiac or anxiety-related issues. A pulmonologist explains why the symptom occurs, who is at ...