Adrenaline increases the "alertness" of the nervous system, meaning it's ready to trigger muscle contraction. It also increases the amount of blood flow and changes the tension of the muscles, which, ...

Statins are a cornerstone of heart health, but muscle pain and weakness cause many patients to quit taking them. Scientists have now identified the precise molecular trigger behind these side effects.

Muscular tinnitus is a very rare type of tinnitus where you hear sounds caused by muscle spasms in your middle ear. Tinnitus is a condition where you hear sounds like ringing or buzzing that are not ...

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 ...

Still dealing with a tight hip or weak glute—despite all the foam rolling, stretching, and strengthening? Or, maybe you’ve had an injury that keeps flaring up, even though you thought it was finally ...

Try seated leg exercises for men over 65, a joint-friendly daily routine from CPT Tyler Read to maintain strength.

Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp. Muscle spasms are common and typically don't signal a severe health ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...

Duchenne and Becker muscular dystrophy are similar conditions caused by mutations in the same gene. However, Duchenne muscular dystrophy begins to cause symptoms at an earlier age, is more severe, and ...

Everybody knows the importance of warming up your muscles before a workout. But what is actually going on when we warm our muscles up, and are all muscles the same? You might be surprised to find out ...

For years, the body’s largest lean tissue—skeletal muscle—has been underestimated in its role in managing metabolic health. Despite its size, it contributes surprisingly little to blood sugar and fat ...

If you've wondered how to swim, run or cycle for longer; perform more reps of an exercise in the gym; or just find everyday tasks like carrying shopping easier, you might consider working on your ...