Popsugar Fitness Workouts Beginner Bodyweight Challenge Start Our 30-Day Beginner Bodyweight Challenge Today and Get Stronger Every Day! December 12, 2020 by Jenny Sugar View On One Page Photo 3 of 7 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Knee Push-Up Begin in plank with your knees on the mat. Exhale to bend the elbows, lowering into a push-up. Inhale to straighten your arms. This completes one rep. Previous Next Start Slideshow WorkoutsStrength TrainingBodyweight WorkoutsFitness ChallengesBeginner WorkoutsFull-Body Workouts