Popsugar Fitness Workouts 25-Minute Cardio and Strength-Training Circuit Workout A 25-Minute Cardio and Strength Workout, No Equipment Needed February 15, 2017 by Leta Shy View On One Page Photo 2 of 9 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Push-Up to Side Plank Begin in plank position. Bend your elbows lowering into a push-up. Straighten your arms and lift your right arm toward the ceiling, twisting into a side plank to make a T shape with your body. Rotate back to plank, placing your right palm on the floor to lower into a push-up. This time as you straighten your arms, rotate to the left lifting the left up. Return to plank. Continue this exercise for 45 seconds, alternating between sides. Rest for 15 seconds. Previous Next Start Slideshow WorkoutsStrength TrainingBarry's Bootcamp30-Minute WorkoutsFull-Body Workouts