Lifting safely, staying fit
RAF MILDENHALL, England -- Staff Sgt. Jason Cravens, 727th Air Mobility Squadron, uses a pair of weights to perform chest presses at the North Side Fitness Center here May 12, 2011. When lifting weights, it is best to not over lift, to help prevent injuries and to allow good form according to Talli van Sunder, exercise columnist. (U.S. Air Force photo/Senior Airman Ethan Morgan)