re still ambulatory then you
should maintain this ability, and walking on a
treadmill is a way to track your progress. A decent treadmill will not only record speed and distance, but will enable you to change the elevation at which you walk, which can strengthen your legs and increase the stretch reflex in your calves. Your training is not just about strengthening the muscles, it is about getting your nervous system to respond, so use variety in your walking patterns.