You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

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.

Unexplained muscle pain in the arms and legs may be the result of benign issues. Or it may point to a more serious underlying condition, such as fibromyalgia, infection, or thyroid issues. Muscle pain ...

Muscles make up nearly 40% of the human body and power every move we make, from a child's first steps to recovery after injury. For some, however, muscle development goes awry, leading to weakness, ...

New research suggests that statins, effective cholesterol-lowering drugs, don't cause many of the side effects listed on their packaging.

Although creatine is a naturally-occurring compound in the body, more and more people are using powders to enhance their ...

The potential benefits of this device are significant. For older adults, better balance can mean fewer falls, fewer injuries, ...

A gene known as ACTN3 (α-actinin-3) has earned the nickname “the gene for speed,” and it may have an influence on how androgens work through the androgen receptor to maintain muscle mass. Research has ...

A long-mysterious statin side effect may finally be explained, researchers say. New studies suggest muscle pain linked to ...

People often experience muscle pain after spinal fusion surgery due to the surgical techniques involved. However, different techniques can cause less pain, and medications can help reduce the effects ...

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 ...