15don MSN
No, not sit-ups — why I love the 'plank drag' and why it's great for building core strength
The plank drag is a plank variation that adds some weight and movement to the exercise, which I find makes it more engaging and effective.
You’ve seen those viral social media challenges. Someone holding a plank for what seems like an eternity, face contorted in agony, body trembling, all while the clock ticks mercilessly onward. Maybe ...
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