Popsugar Fitness Workouts Low-Impact Cardio Substitutions 5 Low-Impact Cardio Substitutions That Won't Destroy Your Knees (or Annoy Your Neighbors) November 5, 2020 by Dominique Michelle Astorino View On One Page Photo 6 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 Previous Next Start Slideshow WorkoutsCardioInjury PreventionTrainer Tips