6/27/2011 - Rob Kidston, health fitness specialist at the Health and Wellness Center, instructs students during the "Healthy Backs" class at Eglin Air Force Base. Mr. Kidston recommended avoiding back injury by building stability through the spine with preventive exercises. Classes are monthly from 1 p.m. - 2:30 p.m. at the Fitness Annex, Bldg. 843. To find out exact dates or to sign-up, call 883-8022. (U.S. Air Force photo/Randy Gon)