A muscle spasm, also known as a cramp, twitch or charley horse, is the sudden, involuntary forced contraction of a muscle. Here are the main causes.

What causes muscle spasms? Though many things are thought to contribute to muscle spasms, "there is ongoing debate on exactly what causes them," explains Fredericson.

Colon activity. Research has found that muscle in the wall of the large intestine (colon) can become more sensitive than usual; it goes into spasm after only mild stimulation.

When you have IBS, various foods and other triggers cause colon spasms. These spasms rush food through the digestive tract, bringing excess mucus with it.

Muscle spasm results from inflammation that occurs when a muscle is overstretched or torn. It begins as a muscle strain, which doesn't sound like a serious injury, but it can cause severe low back ...

Gastroenterologist Dr. George Nikias explains the common causes, symptoms and treatments for ulcerative colitis, one of the most common inflammatory bowel diseases.

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?

Here’s what colon cancer is, what increases your risk and how you can take steps to prevent it.