Strengthen your abs and obliques with this 12-minute core circuit that you can do anywhere without any equipment bar a yoga mat.
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No, not sit-ups — try the runner's plank to strengthen your abs without hurting your lower back
Hundreds of sit-ups aren’t the key to building a strong and injury-resistant core. Yes, this abs exercise is great at strengthening just that — your abs — but in the abs vs core muscles debate, it’s ...
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