Waterloo's Dr Spine Demonstrates the Motion of the Spine during Sex (IMAGE)
Caption
Contrary to popular belief, spooning is not always the best sex position for those with a bad back, according to new research from the University of Waterloo. For the first time ever, scientists have successfully documented the way the spine moves during sex and discovered exactly why certain positions are better than others when it comes to avoiding back pain. The pioneering study combined infrared and electromagnetic motion capture systems to track how ten couples' spines moved when attempting five common sex positions. The findings were used to create an atlas, or set of guidelines, that recommends different sex positions and thrusting techniques based on what movements trigger a patient's pain. Pictured: Professor Stuart McGill demonstrates the motion of the spine during sex.
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University of Waterloo
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