We've all been there before. Running along the basketball court or swimming across the pool, when, all of a sudden, we experience a sharp pain in our foot or leg. Muscle cramps are common, affect ...

Stiff person syndrome (SPS) is a rare neurological disorder that involves muscle spasms and rigidity. Heightened sensitivity to touch, noise, emotional distress, and other stimuli can trigger symptoms ...

We've all been there before. Running along the basketball court or swimming across the pool, when, all of a sudden, we experience a sharp pain in our foot or leg. Muscle cramps are common, affect ...

Stiff person syndrome (SPS) causes you to have muscle stiffness and spasms, often triggered by sudden noises or touch. You can use medications like muscle relaxants and anticonvulsants to relieve ...

Opisthotonos is the term that describes an abnormal posture that happens when the muscles in your neck, back, and legs spasm and contract. These contractions cause your body to bend backward into a ...

Isaac syndrome is a rare condition that causes uncontrollable muscle activity. The muscle movement occurs continuously, even during sleep or while a person is under anesthesia. Other names for Isaac ...

Esophageal spasms cause painful chest contractions and affect swallowing and digestion. Medications and peppermint oil can ...

During the NBC interview, Céline Dion shared that she had been experiencing symptoms of the condition even as far back as 2008.

Back pain has become relatively common among people recently diagnosed with COVID-19. Three COVID-19 patients told Insider the symptom resembled intense period cramps, kidney stones, or muscle spasms.

Although multiple sclerosis (MS) is often accompanied by a number of challenging symptoms, moving your body can help alleviate the side effects of this condition. "Multiple sclerosis can manifest a ...

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 ...