Muscle spasms are forceful and involuntary muscle contractions. They are common with physical exertion and can last just a few seconds or for more than an hour. Muscle spasms may affect part of one muscle, the whole muscle, or several muscles that work together.

See Also

  1. Joints & Muscles: Overview
  2. Nerve Agents
  3. Pyrethrins and Pyrethroids
  4. Risperdal / Risperidone
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