2018-01-252018-01-25Unknownhttp://hdl.handle.net/2152.3/4891This image reflects William E. Thornton walking on the middeck treadmill with no harness, noted 1g.TreadmillExerciseMiddeckWilliam E. ThorntonresearchSpace Medicine1g12.58 S84-43722 1g middeck, W.T. on TM, rear