For many stroke survivors, recovery is derailed by painful muscle stiffness and involuntary spasms that limit movement, ...

Adrenaline increases the "alertness" of the nervous system, meaning it's ready to trigger muscle contraction. It also increases the amount of blood flow and changes the tension of the muscles, which, ...

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 ...

DEAR DR. ROACH: In 2021, I drove to the hospital with chest and back pain. I was told that I needed an emergency surgery to remove my gallbladder. During the procedure, I suffered a heart rhythm ...

Malika Andrews: Anthony Davis is experiencing muscle spasms and the team tells me that this is out an “abundance of caution.” This is already one of the wildest NFL coaching carousels ever, and ...

Pumping iron isn’t the only way to pump the brakes on age-related muscle loss. While weight training has long been lauded as the key to building and maintaining muscle mass, experts say there are ...

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 ...

Are your muscles twitching constantly with no clear cause? You may be experiencing Benign Fasciculation Syndrome (BFS)—a harmless but frustrating condition. In this video, we break down what BFS is, ...

You’re finally drifting off to sleep… your breathing slows, your muscles relax, and then suddenly, your whole body jerks awake. For a split second, it feels like you’ve fallen or tripped, and your ...