Popsugar Health & Fitness Workouts Kelsey Wells 10-Minute Ab Workout Get Rock Hard Abs With This Trainer's 10-Minute "Intense Burn" Strengthening Circuit 19 August 2019 by Tamara Pridgett View On One Page Photo 1 of 3 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Spiderman Plank Start in a centre plank position on your hands and toes with your body in a straight line. Bring your right knee outside and around towards your right elbow, keeping your body in a straight line. Return your foot back to the mat and repeat on the opposite side. Repeat for 40 seconds, then take 10 seconds of rest. Previous Next Start Slideshow Kelsey WellsTrainer TipsBeginner WorkoutsCore ExercisesAb Workouts10-Minute WorkoutsStrength TrainingWorkouts