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Y ou've probably done a plank or two in your time. Maybe even groaned through a shaky 30 seconds or challenged yourself to a ...
This beginner ab workout has tons of modifications ... For sensitive wrists, drop to a forearm plank. Challenge: Add in a ...
So why would anyone bother to sign up for a month-long plank challenge… that involves planking for a total of five minutes a day? Well, writer Hollie Richardson has done exactly that ...
As a general guideline, Doug Sklar, a certified personal trainer and founder of PhilanthroFIT in New York City, recommends ...