: Squeezing your glutes and fists to force your abs to contract harder.
Here is how you do it the Pavel way :
Pavel Tsatsouline ’s Hardstyle Abs is not a traditional fitness guide for those seeking a "beach body" through high-repetition crunches. Instead, it is a masterclass in and intra-abdominal pressure , designed to turn the midsection into a functional suit of armor for martial artists, powerlifters, and elite athletes. The Philosophy: Strength as a Skill pavel tsatsouline hardstyle abs pdf