Popsugar Fitness Fitness Tips David Kirsch Workout Tips 12 Moves Celebrity Trainer David Kirsch Says Every Woman Should Do June 25, 2018 by Lauren Levinson View On One Page Photo 14 of 28 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 14 Why it’s effective: “Raise the level on your plank by rotating your torso and extending your arm overhead, firing up your triceps and obliques.” Previous Next Start Slideshow Fitness TipsWeddings