Popsugar Fitness Keri Russell Keri Russell Workout 4 Fighting Moves From Keri Russell's Trainer April 2, 2014 by Shape View On One Page Photo 10 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Plank Elbow Twist A. Start in plank position. Hold for 5 seconds. Previous Next Start Slideshow Keri RussellWorkouts