Popsugar Fitness Fitness Tips 5-Minute Cardio Warmup 5 Moves, 5 Minutes: Your Quick Cardio Warmup February 20, 2014 by Lizzie Fuhr View On One Page Photo 2 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Butt Kickers Get your heart pumping and warm up quads with this appropriately named exercise. Stand tall on the balls of your feet, hips-width apart. Similar to jogging in place, bring (or "kick") your heels to your butt rapidly, alternating legs for 30 seconds. Previous Next Start Slideshow Fitness TipsWorkoutsWarmupInjury Prevention