Nicole Harris, Warrior Fitness Center fitness instructor, holds a side-plank at the WFC on Nellis Air Force Base, Nev., Oct. 14, 2015. The plank exercise targets the obliques, quadriceps, hamstrings, abductors and adductors. ( Air Force photo by Airman 1st Class Rachel Loftis)

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Size: 3000px × 2003px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: fitness, nellis