Popsugar Health & Fitness Full-Body Exercises Indoor Cardio Exercises When It's Raining or Too Hot to Run Outside, I Do These 23 Indoor Cardio Exercises 22 June 2020 by Jenny Sugar View On One Page Photo 11 of 23 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 11 High-Knee Skips Skip in place by hopping on your right leg while bringing the left knee up toward your chest. Engage your abs as the knee comes toward your chest. Switch legs, and keep skipping while pumping your arms. Previous Next Start Slideshow Full-Body ExercisesCardioWorkouts