If you want a strong and functional core, you have to target all of the core muscles.
Yes, targeting the six-pack abs on the front of your stomach is useful, but you should pay attention to other muscles in your trunk too—like your obliques.
These core muscles, found along the sides of your abdomen, provide spinal stability, assist with breathing, help you balance, and contribute to rotational and side-bending movements. You may like
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Forget sit-ups and crunches—an expert trainer says these two standing exercises are the best way to target your deep core muscles
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Exercises like the side plank

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