Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time. Stephen Hawking has three children: Robert, Lucy (a novelist), and Timothy (aka Tim). Stephen Hawking has three children: Robert, Lucy (a novelist), and Timothy (aka Tim).
Muscle twitches, also called fasciculations, usually only affect a single muscle. They're characterized by tiny contractions inside the muscle, caused by a nerve impulse. Muscle spasms, also called muscle cramps, affect multiple muscle tissues and are brought on by a chemical imbalance in the body.isorders of the nervous system can also cause muscles to twitch. These include nerve damage, fibromyalgia, muscular dystrophy and Lou Gehrig's disease. Along with muscle twitching, weakness in the muscles accompanies these disorders.
Diseases That Cause Muscle Twitches. Doctor and patient speaking to each other. Muscle twitches are brief, painless, involuntary movements of parts of muscles. Some are visible under the skin, others are just felt. Disorders affecting any part of the nervous system that controls movement, or the muscles themselves, can result in muscle twitches. While some of these are serious and even life-threatening, it is important to note that common, harmless conditions may also cause muscle twitches.