U.S. Army Dr. (Maj.) Rasel Rana, McDonald Army Health Center chief of orthopedic surgery, inserts a surgical tool into the patient’s knee during a procedure in the MCAHC operating room at Fort Eustis, Va., March 13, 2013. According to the American Academy of Orthopedic Surgeons, one in seven Americans suffer from an orthopedic impairment, making orthopedic complaints the top reason patients seek medical care. (U.S. Air Force photo by Airman 1st Class R. Alex Durbin/Released)