I did a plank every day for a month and here's what happened to my running

Working the abs, glutes, obliques, back muscles, hips and everything else needed for a strong running core, here
Working the abs, glutes, obliques, back muscles, hips and everything else needed for a strong running core, here's what happened when John did one everyday for a month.

What happens if you do a 1-minute plank every day? - Quora

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I Did A Plank Every Day For 120 Days. Here's What Happened.

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