(HL-의학/건강/운동) Roller Coaster Rides Can Help With Painful Condition

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Roller coasters are fast and exciting. But passing a painful kidney stone is not. The process is painful and can take a long time. But American researchers have found that a roller coaster ride just might help those suffering from a kidney stone. They say such rides help patients pass the stones with a 70 percent success rate. The findings come from researchers at Michigan State University. They published their findings in The Journal of the American Osteopathic Association. David Wartinger led the study. He says he became curious after hearing many stories of people who passed kidney stones after going on a fun ride at a theme park in Florida. Patients told him that after riding a “roller coaster at Walt Disney World, they were able to pass their kidney stones.” One man even said he passed three different stones after going on the ride more than once! To test whether the claims were true, Wartinger used a 3-dimensional model of a hollow kidney. Inside the model he placed three kidney stones, each no larger than 4 millimeters. Then he placed the man-made kidney into a backpack. The researchers put the kidney on Disney’s Big Thunder Mountain roller coaster for 20 rides.
* kidney stone = 신장 결석(結石)/ patient = (특히 병원의 입원) 환자/ success rate = 성공률/ publish = (신문・잡지에서 편지・기사 등을) 게재하다[싣다]/ osteopathic = 정골(整骨)[접골]요법의/ claim = 주장; (재산 등에 대한) 권리/ hollow = (속이) 빈/ man-made = 사람이 만든, 인공의         

Wartinger found that where the person sits on the roller coaster can make a big difference. He said “in the pilot study, sitting in the last car of the roller coaster showed about a 64 percent passage rate.” Sitting in the first few cars only had a 16 percent success rate. Researchers decided to expand the study. They rode the same roller coaster with several kidney models. When sitting in the back car, the success rate of passing the stones was 70 percent. It also mattered where the stones were located in the kidney. The researchers found that stones located in the upper part of the kidney model were passed 100 percent. Another variable – it depends what kind of roller coaster. When it comes to passing kidney stones, not all roller coasters are equal. The researchers used 174 kidney stones of differing “shapes, sizes and weights to see if each model worked on the same ride and on two other roller coasters.” They found that “Big Thunder Mountain was the only one that worked.” The other two roller coasters both failed the test. Wartinger said the other rides were "too fast and too violent." The movement forced the stones against the side of the kidney. He said that the ideal roller coaster is rough and quick with some twists and turns.
* make a difference = 영향이 있다/ pilot study = 선행 연구, 준비 조사/ passage rate = 통과율/ expand = 확대[확장/팽창]하다/ variable = 변수/ violent = 격렬한, 맹렬한/ ideal = 이상적인, 가장 알맞은, 완벽한/ rough = (표면이) 고르지[매끈하지] 않은, 거친/ twists and turns = 급커브와 회전[구불구불 굽이진]

Roller Coaster Rides Can Help With Painful Condition - WTS.mp3