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Stop doing painful sit-ups that hurt your lower back. Build a tight, flat midsection and bulletproof core power with 100% spine-safe science!
For decades, traditional fitness advice told us to do hundreds of daily crunches to get a flat stomach. But modern spine biomechanics proves otherwise: repeated spinal bending places over 730 pounds of compressive shear force on your lumbar discs, leading to chronic back spasms, pinched nerves, and tight hip flexors.
In Core Without Crunches, movement researcher and ergonomics specialist Rafi Ullah Patel presents a groundbreaking, easy-to-follow daily blueprint to cinch your waist, flatten your lower belly, and build authentic functional core power-without ever curling your lower back off the floor.
Inside this comprehensive, fully illustrated guide, you will discover:Whether you are dealing with chronic lower back stiffness or simply want a flatter, stronger midsection at home, Core Without Crunches provides the ultimate roadmap.
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