Paperback book --- Sit-Ups Are Stupid And Crunches Are Crap!

Paperback book --- Sit-Ups Are Stupid And Crunches Are Crap!

Brand: The Backbridge
SKU: 30
17.95 USD In stock Buy at Merchant

This book by Dr. Todd Sinett offers a new approach to abdominal exercises, focusing on core balance to improve flexibility, breathing, and digestion while avoiding traditional sit-ups and crunches.

  • The description claims that traditional sit-ups and crunches should be avoided.
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  • Default Title — 17.95 USD — In stock

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