How does the plank compare to other core exercises like crunches?
Unlike crunches, which focus on movement and can lead to increased spinal flexion, the plank trains core stability as an anti-movement capacity. This makes the plank more transferable to real-life functional movements and athletic applications.
✦
This is one answer. The complete system — the psychology, the biology, and the method — is in the book.
Read The Willpower Lie →Found an error? Let me know →