Popsugar Fitness Jennifer Aniston Jennifer Aniston's Favorite Workout This Is Jennifer Aniston's "Exercise of Choice" For Maintaining Those Sculpted Arms August 1, 2018 by Victoria Messina View On One Page Photo 6 of 7 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 Previous Next Start Slideshow Jennifer AnistonWorkoutsCelebrity FitnessBoxing