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 10 of 21 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Lying Stability Ball Leg Curls Time to target those glutes and hamstrings with swiss ball leg curls, which Gabrielle apparently isn't a fan of, as evidenced by her caption. Previous Next Start Slideshow Gabrielle UnionWorkoutsCelebrity Fitness