Goal: Aim to progress with pristine form. Quality over quantity. Holding a wobbly three minutes means less than a rock-solid ...

If you're doing the plank properly, you'll be struggling to hold the position much sooner than you'd expect. This could mean ...

Forget long plank holds. Learn why proper form and short bursts deliver better core strength and save time during your ...

This could mean that you only hold a plank for 10 seconds, or that you last all the way to 60 seconds. To start, make 20 to 30 second holds your goal. Before moving on to plank variations or ...

As a general guideline, Doug Sklar, a certified personal trainer and founder of PhilanthroFIT in New York City, recommends ...