2018-01-242018-01-24Unknownhttp://hdl.handle.net/2152.3/4844This image reflects William E. Thornton pushing and running on the MKII treadmill, in the gym.William E. ThorntonTreadmillMKIIExercisepushingresearchSpace Medicine12.31 S84-43751 Gym, MKII in frame, W.T. pushing