Power to the Plank
This article covers the basics - why plank? How do I do it? What's the benefits and how do I make it harder once I'm good at it?
中学の部活動にオススメ…（土）初心者クラス
8 hours ago
Getting stronger, fitter, and healthier by sticking to the basics. It's not rocket science, it's doing the simple stuff the right way. Strength-Basics updates every Monday, plus extra posts during the week.
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