2018-01-242018-01-24Unknownhttp://hdl.handle.net/2152.3/4867This image reflects a lower body view of William E. Thornton pushing on the STS Space Transportation System treadmill.TreadmillWilliam E. ThorntonSTSSpace MedicineSpace Transportation SystemExercisepushingresearch12.54 S84-43735 W.T. pushing, STS TM, tread