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| The laboratory has two AMTI OR6-5AMTI Biomechanics Force Platforms (Advanced Medical Technology, Inc., Watertown, MA) as part of an extended walk way. The AMTI force platform measures simultaneously forces about the anterior-posterio, medio-lateral and vertical axes of bodies in contact with the force platform surface as well as the moment component about the vertical axis on its surface. This makes it useful to study ground reaction forces and moments for balance as well as gait studies. Each force platform weighs about 70 pounds and can function within a wide range of temperature (0 to 125?F). The forces and moments are measured by strain gauges near the four corners of the platform. The upper limits of the platform are 5000N (1125lb) of vertical load and 2000N (450lb) of shear force applied anywhere on the platform. |