Popsugar Health & Fitness Workouts 25-Minute HIIT Workout This Hybrid Cardio and Strength HIIT Workout Will Sculpt All Your Muscles in Just 25 Minutes 11 June 2019 by Tamara Pridgett View On One Page Photo 2 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Circuit 1, Exercise 2: Rope Slam With a slight bend at your knees, grip the ropes, and make sure that there's no slack on the ropes. Simultaneously swing both ropes as hard as you can and slam them into the ground. Be sure to keep your back flat, chest up and open, and core engaged. Continue doing slams for 40 seconds, then take 20 seconds of rest. Previous Next Start Slideshow Beginner WorkoutsHIITFull-Body Workouts30-Minute WorkoutsStrength TrainingWorkoutsPopsugar Interviews