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100-Rep Core Workout

This 100-Rep, Core-Busting Workout Takes All of 4 Minutes to Complete

100-Rep Core Workout
Image Source: POPSUGAR Photography / Kathryna Hancock

You're not into wasting your time, but luckily, you don't need to devote hours at the gym for a strong core. You just need to do the most effective ab-strengthening moves, and this four-minute workout has them all! You'll target your upper, middle, and lower abs, as well as your obliques.

The Workout

What you'll need: floor space, a pull-up bar, and a medicine ball

20 scissor abs
20 diamond sit-ups
20 knees-to-chest hanging from a pull-up bar
20 double crunches with a medicine ball
20 reverse crunches

Perform this workout once a day for one week and see how you feel! If you're not sure how to do each movement, see the descriptions ahead.

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