Appropriate sex positions are detected. For people who have back problems, according to Canadian researchers' daggi style of the most appropriate posture have discovered. University of Waterloo, Ontario vaijnanikaharale about what happens during sex, how moving the spine of the document was prepared. Researchers infrared and electromagnetic means is the moving body during sex How about the research that was done. For this purpose, they used 10 couples have sex seat nickname, 5 were studied. They are based on man's back, the pressure of a directory have been prepared, which have been suggested during sex is about apanainuparne seat. Researchers spine problems as those of traditional 'spunina' sailibhanda 'daggi Style "has been suggested to adopt the style.Sailibhanda backbone to help push the style of sex, it may help scientists hipako said