Thin Tummy?

This is one of ian king’s abdominal moves, I am having trouble with it, is it the same thing as the ab vacuum? any help will be appreciated

yeah it is the same - Ive been it as part of IK’s awesome abs series. There’s an article called the ‘lost secret of ab training’ in the archives somewhere. It could be by Don Alessi? It helped me - I think - I’m still not sure I’m doing it exactly right.