While sex offers an array of health benefits, one of its more obvious advantages is that it involves some degree of physical activity and you can burn extra calories while having fun. If you are looking to expand your sexual repertoire in the sex-positions department, read on, experiment and find the perfect combinations that work for you. The positions described below involve one man and one woman, but can be modified to suit two women, two men, threesomes, foursomes and larger groups.

The Director's Chair: In this position, the man sits upright in a chair while the woman sits on his lap with her back to him. She can lower herself onto his penis with her feet on the ground or crouch with her feet propped up on the chair on either side of his legs. The second option will require some serious flexibility on her part -- thank goodness for yoga! She can tilt and circle her hips to stimulate her clitoris against his shaft or either partner can use his/her hands to reach down between her...