No sit-ups or crunches, this is the simple Pilates exercise I use to sculpt all of the muscles in my core

Think about squeezing your core, bracing your abdominal muscles as if you were to be punched in the stomach. Moving slowly ...

Sit-ups vs. crunches—here’s which is better

Plus, which move is more effective for strong abs.

No sit-ups, planks, or crunches: This is the exact deadbug workout I’ve used to transform my core strength

Say goodbye to sit-ups and crunches, do this instead.