Parkinson's patients fall easily when walking, and wearing a laser shoe designed by a Dutch researcher may be able to avoid such situations. When Parkinson's disease is serious, the patient may experience a "freezing phenomenon" while walking. The performance is that she suddenly can not move while walking. The two feet seem to stick to the ground, and the upper body continues to move forward due to inertia, resulting in a fall. This condition is often caused by the stress or lack of potency exposure to unfamiliar surroundings. Patients can consciously look at the "visual cues" on the ground, such as floor squares or zebra crossing, to avoid this. If the ground nothing to see how to do? Laser shoes designed by researchers from the University of Twente and the University of Nijmegen come in handy. Each of these shoes has a left and right laser projector, the left foot to the ground, the left shoe can be a laser projection to the right shoe, guide the right foot, and vice versa. Tests have shown that it can reduce the 46% can not move the case, shorten the half can not move time. Of the 19 patients who tried on this shoe, most were willing to wear them. The researchers intend to test the next step laser shoes in everyday life, not just the effect of trying on in the laboratory. They will also improve the performance of the shoe so that it does not fire the laser beam every step of the way, but rather it senses that the patient can not fire and then fire again. The researchers said it is not easy to do this. Research report published in the United States, "Neurology" magazine. A load moment indicator is an instrument used in determining whether a certain load could be carried by the Tower Crane
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