Add Yahoo as a preferred source to see more of our stories on Google. Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp.

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 ...

NEW YORK (CBSNewYork) - When you hear the word "Botox," you probably think of a cosmetic procedure to reduce wrinkles. You may be surprised to know that Botox has some very serious medical uses, too.

What is the cause of flexor and extensor spasms seen in patients with paraplegia? What is the prognosis in such patients? How do we manage such a problem? In a spinal cord injury resulting in ...

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 ...

Background OnabotulinumtoxinA has demonstrated significant benefit in adult focal spasticity. This study reviews the injection patterns (i.e., muscle distribution, dosing) of onabotulinumtoxinA for ...

Spasticity occurs when the muscles involuntarily contract or become stiff. It is most often caused by a neurological disorder and can significantly affect a person’s mobility and ability to perform ...

‌Hemifacial spasm is a disorder of the nerves and muscles that causes nonpainful involuntary twitching on one side of the face. Many people refer to hemifacial spasms as lip muscle spasms. Hemifacial ...

After a stroke, survivors often experience uncontrollable spasms that can twist their arms and hands into perpetual fists. The only treatments are expensive, frequently painful injections of botulinum ...

Tizanidine is a muscle relaxant. A doctor may prescribe tizanidine to manage spasticity resulting from various conditions, including multiple sclerosis, stroke, and spinal cord injuries. Although ...

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, ...