Powered prostheses can enable individuals with above-knee amputations to ascend stairs step-over-step. To accomplish this task, available stair ascent controllers impose a predefined joint impedance ...

The hopes are high for the Bears but too many possible obstacles might lie in their way to hope Ben Johnson's team can make the rare worst-to-first climb.

Over 700 people climbed thousands of stairs at Soldier Field on Sunday to raise money for the American Lung Association, supporting those suffering from lung disease and honoring those who have don… ...