Videofluoroscopy tests are designed to analyze the swallowing response of the patient. Lot of patients die due to swallowing disorders, and physicians want to analyze this procedure to detect this swallowing problems. The principal problem is that the time spent to analyze a video is so long, and has to be done manually, and this derives to a high cost of time and money to the health system. Hyoid Marker is an application that provides an automatic demarcation for videofluoroscopy studies, saving to the physician the time to mark important objects in the video, and allowing him to dedicate his time analyzing only the medical aspects of the video.