Popsugar Fitness Workouts TRX Full-Body Workout Not Gonna Lie, This 20-Minute Full-Body TRX Circuit Is Going to Kick Your Ass June 21, 2018 by Dominique Michelle Astorino View On One Page Photo 3 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Warm Up: Side Lunge Stretch Stand facing the anchor point with feet wide, elbows under the shoulders, and tension on the straps. Lower down to one side, bending knee past 90 degrees, and extending other leg straight. Pull toes off the ground, then press through the heel back to start, and repeat on the other side. Continue for 30 seconds, then rest for 10 seconds. Previous Next Start Slideshow WorkoutsStrength TrainingTRXBeginner Workouts30-Minute WorkoutsFull-Body Workouts20-Minute Workouts