Get flatter abs and a more toned midsection and stomach with our 30-day ab challenge. This beginner-friendly workout gradually increases in difficulty, and it even works in rest days. Exercises include planks, mountain climbers, toe touches, and medicine ball moves.

Get flatter abs and a more toned midsection and stomach with our 30-day ab challenge. This beginner-friendly workout gradually increases in difficulty, and it even works in rest days. Exercises include planks, mountain climbers, toe touches, and medicine ball moves.

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