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.

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.

Body twitches, tingles, and mini spasms are rarely random. They reflect how the nervous system responds to stress, fatigue, ...

Although the occasional muscle spasm is relatively normal, sometimes they can be a cause for concern. How do you know when you should seek medical attention? We spoke with several doctors who explain ...

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 ...

Lockjaw occurs when chewing muscles spasm, restricting the opening of the mouth. Diagnosis may involve a physical exam, blood tests, and imaging like CT scans or MRIs. Mild cases of lockjaw can be ...