Oh yeah...my muscles twitch and I have the buzzing thingi n my feet all the time. There was a time when I would actually visibly 'vibrate'...so badly if I was laying on the couch, the vase on the table, clear across the room would shake. Knock on wood, that hasn't happened in a while. It felt like I was sitting on the spin cycle of a washing machine. Don't to this day know if it was a fibro-thing...never heard of anyone with fibro describe that weird symptom.