1. The involuntary muscles , like heart and lungs, operate at a different frequency. 2. Drugs can control involuntary muscle twitching, disabling muscle cramps and excess salivation. 3. It is characterized by dystonia, and abnormal and sustained involuntary muscle contraction. 4. They may have involuntary muscles spasms on one side of their body. 5. This test measures involuntary muscle activity and muscle response to nerve stimulation. 6. Carpenter had observed instances of expectation and imagination apparently influencing involuntary muscle movement. 7. This causes tetany ( involuntary muscle contraction ), which can lead to death. 8. REM sleep is characterized by dreaming, lack of muscle tone, and involuntary muscle twitches. 9. :: The " how " is a involuntary muscle spasm and an emotional reaction. 10. These often included pacing, involuntary muscle twitches, and repetitive self-mutilation.