20100130332 | BIOMECHANICAL EXERCISE DEVICE HAVING A RESILIENT SUPPORT SURFACE - An ankle exercise device increases user comfort and is capable of exercising each ankle without having to switch a fulcrum from one side to the other. The exercise device includes an upper section having a first stiffness characteristic and a lower section that is connected to upper section and has a second stiffness characteristic that is different than the first stiffness characteristic. A fulcrum extends from the lower section and is adapted to support the exercise device for pivoting movement relative to a floor or other support surface. | 05-27-2010 |