Our 8 month old boy tenses his whole body for no particular reason. Sometimes we thinks he's just discovering / exercising his muscles, but sometimes it looks involuntary as if he's having a mini fit. He's no rashes but is recovering from tonsilitus infection which might have something to do with it. They dont seem serious or prolonged enough to be epilepsy - they last just a few seconds. Possibly a nervous tick of some kind, but seems v young for that. We're going to doctor tomorrow anyway, but anyone else experienced this? or any ideas whats going on? Many thanks