Core Strength Trainer Named "Best Core Trainer in the World," the Power Wheel™ can be used for a multitude of dynamic upper and lower-body strength training exercises to develop core strength and increase power in the chest, shoulders and arms. It also improves power and balance while also safeguarding against injury. Engineered by LifelineUSA Patented foot pedals with adjustable toe/heel fasteners Ideal for push-ups, leg curls, rolling planks Challenge the abs, obliques, back, hips and glutes Rugged design is built to last