My twitches in my calves look totally different from all my other ones. They are perfectly described in that text that Bandersnatch_F copied.
Sometimes my twitches are incredibly bad, then they settle for a few days. Garym, who is a member, has periods of intense twitches that can go on for periods of time. He was told after a year to forget about ALS by a leading expert here in the states. Diego4Life, has had the appearance you describe for 10 years.
I do understand,however, the panic. After two years this March, anytime something "new" crops up, it sends me into a panic.
Ginny