Add Yahoo as a preferred source to see more of our stories on Google. Forget crunches and sit-ups. One of the best ways to blast your core is the oh-so-simple plank. When performing a plank with good ...

One trainer shares what a simple plank challenge did for his mental and physical strength.

Whenever you're feeling a little stagnant in your training, taking on a new fitness challenge is the quickest way to snap out of that funk. Maybe you've been out of the gym for a while and need to ...

Join our 30-day plank challenge! It’s a great opportunity to enhance core muscles, as well as overall body stability and coordination. With just one minute a day, you can make significant progress in ...