We surveyed over 1, Women’s Health readers about their least favorite sex positions, and you won’t like the results: Women rated common moves like doggy style, reverse cowgirl, and 69 as the worst sex positions. Women in our survey also said doggy’s not intimate enough. Expert advice on sex and a how-to on popular positions . Good for a woman with hip problems or multiple joints, but not to be used following a. A new study at the University of Waterloo documented exactly how the spine moves during sex and found contrary to popular belief 'spooning'. These sex positions are so bad, women hate them! Even if they never say a word. From doggy style to 69, find out what NOT to do in bed. Women with bad backs have renewed hope for better sex lives now that a groundbreaking study from the University of Waterloo has revealed. Talk about a mood killer: Up to 73% of women with lower-back pain report having less sex as a result of their discomfort. Good thing.