Abstract: An open or enclosed training and rehabilitation environment of a treadmill and stimuli introducing devices or the introduction of stimuli while the dog is attending to walking/running on the treadmill. A method of introducing a dog to a treadmill or other attention getting activity (e.g., having the dog walk or run on the treadmill), and introducing stimuli such as sounds, people, other animals/dogs, bangs, claps, etc., the introduced stimuli preferably being the same or similar to the kind of stimuli which the dog is known to react negatively when in the real world.