Even though it can cause excruciating and debilitating muscle spasms, most people had never heard of stiff person syndrome until late last year, when singer Celine Dion announced her diagnosis. This ...

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 ...

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 ...

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 ...

Although the occasional muscle spasm is relatively normal, sometimes they can be a cause for concern. How do you know when you should seek medical attention? We spoke with several doctors who explain ...

‌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 ...

Allergan plc (NYSE: AGN), a leading global pharmaceutical company today announced that the U.S. Food and Drug Administration (FDA) has accepted the company's resubmission of its Supplemental Biologics ...

Dealing with a sudden back injury or a stiff neck can be incredibly painful, often making it difficult to perform basic daily ...

Sen. Patrick Leahy, the president pro tempore of the Senate, said Wednesday that he went to the hospital Tuesday night because of “muscle spasms” he had been experiencing. Doctors, he told CNN, have ...