Bradford B. Worrall, MD, a University of Virginia professor of neurology and public health, says many stroke survivors develop spasticity.

Robert F. Kennedy, Jr. has struggled for decades with a rare disorder affecting his speech, causing his voice to sound ...

For generations, Gatorade and similar electrolyte beverages have been helpful tools for athletes seeking a competitive edge.

Sprains, strains, and muscle spasms are common musculoskeletal injuries that can affect anyone, from elite athletes to everyday individuals. While they may present with similar symptoms and causes ...

A leg cramp is a sudden, uncontrolled contraction of a muscle. This can occur elsewhere in the body, but is most commonly experienced in the lower extremities. Leg cramps or spasms are unpredictable ...

Dear Dr. Roach: I’ve had muscle spasms and cramping in my lower legs and feet for quite some time. It almost always happens when I’m laying in bed and in the early morning hours. If I stand up ...

Dear Dr. Roach: I’ve had muscle spasms and cramping in my lower legs and feet for quite some time. It almost always happens when I’m laying in bed and in the early morning hours. If I stand ...

To get one, go to the subscriptions page. DEAR DR. ROACH: I’ve had muscle spasms and cramping in my lower legs and feet for quite some time. It almost always happens when I’m laying in bed and ...

Just like the proteins in our muscles, which convert chemical energy into power to allow us to perform daily tasks, these tiny rotary motors use chemical energy to generate force, store energy ...