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

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 ...

Singer Céline Dion was recently diagnosed with a rare neurological disorder called stiff-person syndrome, which has caused her to experience severe muscle spasms, the iconic performer announced Dec. 8 ...

Stiff person syndrome (also known as SPS, Moersch-Woltman syndrome, and stiff man syndrome) is a very rare condition that can cause your muscles to become rigid or spasm. This is a progressive ...

Symptoms of spasticity — including chronic muscle stiffness, pain, and jerkiness of voluntary movements — can interfere with your daily activities. Left untreated, these symptoms may significantly ...

Spasticity is a condition that affects your muscles, making them tight or stiff. This can impact your ability to perform daily activities, such as walking, eating, and talking. The condition may also ...

Muscle relaxers help reduce muscle stiffness and pain from conditions like cerebral palsy and lower back pain. There are two main types of muscle relaxers: antispastics and antispasmodics. Muscle ...

Panel A shows the microscopic myoarchitecture of the circular and longitudinal muscle layers of the lower esophageal sphincter and stomach. The circular muscle fibers of the esophagus cross each other ...

DelveInsight’s "Muscle Spasticity Pipeline Insight 2025" report provides comprehensive insights about 15+ companies and 15+ pipeline drugs in the Muscle Spasticity pipeline landscape. It covers the ...

Being diagnosed with multiple sclerosis can, naturally, have an enormous impact on your life. You may need to make some lifestyle changes and try a few treatments to help manage the various symptoms, ...

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 ...