hi all I am new to this site. The reason why I am on is I have an ab who is 15 months old. The other day he was walking to me and his whole body started swaying, he become unbalanced and all four legs were unsteady. he seemed not to have any control or strength in his legs. he is a big boy and weighs 55 kg. he has never done this before. he ended up on the floor were I just held him and was trying to think how to get him to my car. after a couple of minutes he returned to normal. since then he has been fine the only other strange thing which might be perfectly normal is while he was sleeping last night he started shaking and twitching a lot and then it stopped. I did not rush cruiser to the vet as he was back to normal after it happened, if it happens again he will be there in a flash, but I am concerned and would like to know if anyone has seen this before in an ab.