• Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Core Without Crunches: The Spine-Safe Workout Guide to Flatten Your Stomach, Eliminate Lower Back Strain, and Build Functional Core Power

Core Without Crunches: The Spine-Safe Workout Guide to Flatten Your Stomach, Eliminate Lower Back Strain, and Build Functional Core Power

Paperback

Health GeneralGeneral FitnessPain Management

ISBN13: 9798170164707
Publisher: Independently Published
Published: Aug 27 2026
Pages: 118
Weight: 0.34
Height: 0.30 Width: 6.00 Depth: 9.00
Language: English
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.

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General Fitness