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.
Muscle twitching is also called muscle fasciculation. Twitching involves small muscle contractions in the body. Your muscles are made up of fibers that your nerves control. Stimulation or damage to a nerve may cause your muscle fibers to twitch.... Read More. Muscle twitching is also called muscle fasciculation. Twitching involves small muscle contractions in the body. Your muscles are made up of fibers that your nerves control. Stimulation or damage to a nerve may cause your muscle fibers to twitch. Most muscle twitches go unnoticed and arenât cause for concern. In some cases, they may indicate a nervous system condition and you should see your doctor. Causes of muscle twitching . There are various conditions that can cause muscle twitching. Minor muscle twitching is usually the result of less serious, lifestyle-related causes. More severe muscle twitching, however, is often the result of a serious condition. Common causes that are usually minor. Common causes of muscle twitching include the following: Twitching can occur after physical activity because lactic acid accumulates in the muscles used during exercise. It most often affects the arms, legs, and back.