Popsugar Health & Fitness Charlee Atkins Plan 20-Minute Upper Body and Core Workout From Charlee Atkins Your Arms and Abs Will Feel Stronger With Every Rep of This Quick, No-Equipment Workout 24 February 2021 by Colleen Travers View On One Page Photo 6 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 Plank Reach Begin in an elbow plank with your feet slightly wider than your hips for added stability. Reach your left arm straight out, tapping your fingers to the floor in front of you. Bring your arm back to the mat, then reach forward with your right arm. Continue alternating arms for 40 seconds. Previous Next Start Slideshow Charlee Atkins PlanTrainer Tips20-Minute WorkoutsArm WorkoutsAb WorkoutsStrength TrainingWorkouts