I just started this per coach. Not 10 sets however anyways what’s your results? Tighter waist? Part of John Jewetts x frame program as well when I was doing that.Everyday I do 10 sets of vacuums with 10 sets of ab contractions for as long as possible
That's where I got it from. He's one of the most intelligent guys in bodybuilding.I just started this per coach. Not 10 sets however anyways what’s your results? Tighter waist? Part of John Jewetts x frame program as well when I was doing that.

