Popsugar Fitness Gabrielle Union Gabrielle Union's Full-Body Workout Routine My Muscles Are Shaking Just Watching Gabrielle Union Crush Her Full-Body Workout Routine August 21, 2019 by Victoria Messina View On One Page Photo 19 of 21 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 19 Quad Holds Last but most certainly not least, she got down on all fours for a set of quad holds, which she accurately described as "hard asf." Previous Next Start Slideshow Gabrielle UnionWorkoutsCelebrity Fitness