355th Medical Group - Physical Therapy
U.S. Air Force Staff Sgt. Amanda Beard, 355th Medical Operations Squadron, watches Staff Sgt. Andrew Kelp, 355th Equipment Maintenance Squadron, as he works on his running on the Alter G treadmill at the Physical Therapy Clinic on Davis-Monthan Air Force Base, Ariz., May 16, 2012. The Alter G treadmill provides reduced stress on joints, increase distance, maintain aerobic fitness while injured and perform workouts and a faster pace. (U.S. Air Force photo by Airman 1st Class Christine Griffiths/Released)