Forget sit-ups — use this one move to build strength and muscle in your core
Rower pike-ups are a bodyweight exercise for strengthening your core, hips and shoulders without hurting your spine. Here's ...
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No, not sit-ups — here's the one abs exercise you should do to strengthen your core without weights
Great news — you don’t them to build a stronger core. Here’s one abs exercise you can do without sit-ups or weights. In recent years, the tides have turned as instructors turn their backs on ...