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For orthopedic injuries, a robot that follows patients as they move

The MRI and CT scan may one day have a robotic cousin capable of following and peering into patients as they move around. A University of Florida engineer has designed a robot to shadow and shoot X-ray video of sufferers of orthopedic injuries as they walk, climb stairs, stand up from a seated position or pursue other normal activities - and maybe even athletic ones like swinging a bat.