U.S. Air Force Tech. Sgt. Jacob Wielgosiek, 39th Medical Operations Squadron surgical services flight chief, teaches U.S. Air Force Senior Airman Michael Workman, 39th Civil Engineer Squadron explosive ordnance disposal technician, proper stretching techniques during a physical therapy session at Incirlik Air Base, Turkey, Feb. 2, 2018. The majority of injuries acquired after working out are due to lack of flexibility and muscle weakness. (U.S. Air Force photo by Airman 1st Class Octavius Thompson)