This Video Game Abs Workout Makes Planks Way More Fun

The only catch: You should probably master the basic plank first.

It's no secret that planks are one of the best core exercises out there. But, to be completely honest, they can get a little boring. (I mean, you're just sitting there, holding one position, trying not to notice how much you feel like you're dying.)

That's why one company decided to bump up the "fun" in functional movement and turn planking into entertainment. Meet the Stealth Interactive Core Trainer, a balance board–style platform that pairs with an app on your smartphone to let you play video games using your abs.

How it works: First, download the free app on your iPhone or Android. Pop your phone into the designated spot on the board and assume the plank position with your forearms on the device. As you "steer" the platform to blow up moving targets on your phone screen, you engage your entire core (all 29 muscles) like ~whoa~. Talk about an upgrade from staring at your living room floor (cough, dust bunnies)...

Read more on Shape.com - Shape Review - Stealth Core Trainer