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.

Add Yahoo as a preferred source to see more of our stories on Google. A muscle spasm, also known as a cramp, twitch or charley horse, is the sudden and involuntary forced contraction of a muscle.

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 ...

A vasospasm is when one of the arteries carrying oxygen-rich blood throughout your body suddenly contracts. (The word "vaso" means vessel, and "spasm" is a sudden, involuntary muscle squeeze.) This ...

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 ...

A cramp or spasm happens when a muscle contracts involuntarily. It’s a very common sensation that many of us experience from time to time. Because there are several muscles that control the movements ...

A study of animal and human brains uncovered what causes infantile spasms and identified a hormone that could be used to treat and alleviate symptoms. By studying the brains of infantile spasm (IS) ...

Moderate twitching of your eyelids (also known as myokymia) is common and can be caused by several conditions. We will describe some of the conditions that could lead to myokymia, its symptoms, and ...

The oral medications most widely used to lower blood-sugar levels in patients with type 2 diabetes are likely to increase the risk of spasm of the coronary arteries, reports a University of ...

Bladder spasms cause you to suddenly feel like you need to run to the bathroom and empty your bladder. They occur when the muscles in your bladder contract rapidly. Bladder spasms are common for ...

Blepharospasm describes a condition where a person experiences an involuntary spasm of the muscles surrounding the eyelid. “Blepharo” refers to the eyelids, while “spasm” describes twitching of the ...

DEAR DR. ROACH: I am a 71-year-old male. I had a heart attack at age 50, and my doctor inserted four stents in my heart. I was overweight at that time, and the doctor told me if I do not change my ...