One runner challenged herself to 30 days of planks. If you've ever wondered "What does planking do to your body?" you'll want to read about her results.
How to build up to a 12-minute plank, by Brett A. Hurt
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Plank Exercise Every Day for 30 Days
What happens if you do a 1-minute plank every day? - Quora
We Did Planks Every Day For 30 Days
I Did 5 Minute Plank Routine Daily for 38 Days
Health Benefits of Practicing The Plank Exercise Every Day
Plank Exercise Every Day for 30 Days
How Long To Hold A Plank To See Results—And How To Do A Plank
November is the 5 min plank challenge! Will u reach your goal