10 High-Tech Health Tools to Try This Year

Stealth uses your core strength to control the action on your mobile phone screen, making static exercises like the plank more engaging — for your muscles and your brain. Want to up your motivation even more? Challenge a friend with multi-player mode. Like every other gadget, though, it doesn't work unless you do.

Visit www.StealthCoreTrainer.com to try Stealth now.

Read more on Livestrong.com: Livestrong.com Review - Stealth Core Trainer