Wednesday, September 28, 2016

Is this Disney roller coaster a remedy for kidney stones?

Big Thunder Mountain Railroad at Magic Kingdom in Disney World is a fun thrill ride roller coaster with sharp twists and turns, but is it also a remedy for kidney stones?

After a number of patients reported passing a kidney stone after riding Big Thunder Mountain, Dr. David D. Wartinger decided it was enough evidence to do some research between riding a roller coaster and passing a kidney stone.

© Steven Liebman
Big Thunder Mountain Railroad
He then created, with Dr. Marc A. Mitchell, a model of a kidney, filled it with different sized stones and urine. It was then concealed in a backpack, according to the study published in the The Journal of the American Osteopathic Association.

Then, they headed to Disney World. With the park's permission, the research team rode Big Thunder 20 times. The seat assignments were random and "determined as a function of place in the waiting line," according to the study.

After each ride the stones were analyzed.

The study concluded that sitting in the back seat lead to 64 percent passage rate. The front had a passage rate of 16 percent.

They also tested the Rock 'n' Roller Coaster at Hollywood Studios and Space Mountain at Magic Kingdom, but they did not have the success of Big Thunder Mountain. Also, inverted loops and  upside-down movements do not seem to work, according to the study.


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