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Adding to the time every couple days... that's a good start for beginners like me.
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Looking for a new total-body workout? This 2-week plank challenge will put your abs, arms, back, and obliques to work.

Looking for a new total-body workout? This 2-week plank challenge will put your abs, arms, back, and obliques to work.

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This is a bit different than the other 30 Day Plank Challenges. I varies each day, instead of just adding 10 seconds each day.
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