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 2 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Half Monkey Pose Start by sitting tall in a kneeling position and extend one leg straight out in front of you. Slide the front heel away from the body and place your hands on the ground, a book, or a block on either side of the extended leg. Keep your spine straight and long as you lower your chest toward your leg and pull your toes back toward your nose. Hold for 3-5 breaths before repeating with your other leg. Previous Next Start Slideshow Fitness TipsWorkoutsYoga SequencesInjury Prevention