A medical walker apparatus and a method for using the medical walker. Embodiments of the medical walker include a wheeled frame and a compromised limb gait system attached to the wheeled frame, where the compromised limb gait system is configured to guide a limb of a user through a simulated gait motion. In aspects, the medical walker gives an amputee patient mobility by providing a leg brace support for the compromised limb with a flexible connection to the walker that guides the compromised limb through a biomechanically proper walking motion, thus allowing the compromised limb to be exercised.