Popsugar Fitness Fitness Tips Why the Back of Your Knees Are Tight and Stretches For Them 2 Reasons the Back of Your Knees Are So Tight, and the Stretches That'll Help August 22, 2020 by Lauren Pardee View On One Page Photo 3 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Wall Touches Stand 3-4 inches away from a wall. Bend at the knees until they touch the wall, while keeping your heels on the floor. Hold for 2-3 breaths. Previous Next Start Slideshow Fitness TipsWorkoutsYoga SequencesInjury Prevention