Instead of moving your spine (flexion/extension), you lock your spine in a neutral position and use your abs as anti-movement armor.
Lie on your back with knees bent and feet flat on the floor. pavel tsatsouline hardstyle abs pdf
When studying the concepts within the text, remember that the value lies entirely in the . Reading the manual won't give you a strong core; aggressively applying the principles of tension, irradiation, and breathing during your lifts will. Nutritional Reality: Visualizing Your Hardstyle Abs Instead of moving your spine (flexion/extension), you lock