Popsugar Fitness Workouts 5-Minute Ab Workout of Bodyweight Exercises Take 5 Minutes to Set Your Abs on Fire September 25, 2016 by Susi May View On One Page Photo 2 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Plank With Shoulder Tap Begin in a plank variation with your feet slightly wider than your hips for added stability. Keeping your torso stable, bring your right hand to your left shoulder, then return your right hand back to the mat. Bring your left hand to your right shoulder and return it to the mat. To modify, place your knees on the mat. Continue alternating shoulder taps for one minute, maintaining good form. Previous Next Start Slideshow WorkoutsStrength TrainingAb WorkoutsIntermediate Workouts5-Minute Workouts