Nov 21, - Sex is a form of exercise — and it might just be the most fun you'll ever have burning calories if you try these 6 best sex positions for weight. Jan 6, - The Best Exercise Sex Positions For A Workout That Beats The Gym Anytime. Standing Splits. Having sex while standing is one of the best ways to give yourself a great workout. Lotus. Shoulder Stand. Crouching Cowgirl. Crabwalk Cowgirl. Reverse Piggyback. Missionary Plank.