For instance, if we rotate our head to the right while our eyes remain focused on an object straight ahead, our eyes naturally move to the left at the same speed. These sensors are tightly coupled with our eye movements and with our perception of our body's position and motion through space. This system contains special sensory nerve cells that can detect the speed and direction at which our head moves. The short answer is training, but to really grasp why figure skaters can twirl without getting dizzy requires an understanding of the vestibular system, the apparatus in our inner ear that helps to keep us upright. So how do professional athletes, particularly figure skaters who spin at incredible speeds, avoid losing their balance? When we spin-on an amusement park ride or the dance floor-we often become disoriented, even dizzy.
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