1don MSN
If you’re not training your core like this, you might be missing out on serious strength gains
Psst: it's not another plank.
Planks are a simple, equipment-free exercise that strengthen your core, improve posture, and protect your back ...
The fitness world has embraced a new champion in core training, and traditional sit-ups have taken a backseat. The plank, despite its deceivingly simple appearance, has captured worldwide attention ...
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