A mother of four who said she tried more than 10 extreme diets across a span of 10 years has lost 84 pounds — after both surgery and starting a regular hula hoop routine. Laura Johnson, 42, said she ...
A high-speed camera films a robotic hula hooper with an hourglass shape, which helps the hoop stay up. Credit: NYU’s Applied Mathematics Laboratory Successful hula hooping requires a body type with ...
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