![]() ![]() ![]() MorphoJ integrated software was used to perform a discriminate function analysis to visualize how all 12 coordinates interact with each other in normal swallowing. Intraclass correlation coefficients were used to assess test-retest reliability between two raters with an ICC = 0.99 or greater for all coordinates for the retest measurement. Two raters annotated landmarks for the superior and middle pharyngeal constrictors frame-by-frame using a semi-automated MATLAB tracker tool at two time points. Twenty de-identified, normal, MBS videos were randomly selected from a database. The aim of this study was to establish a method for locating the superior and middle pharyngeal constrictors using hard landmarks as guides on MBS videofluoroscopic imaging, and to test the reliability of this new method. Computational analysis of swallowing mechanics (CASM) is an established research methodology for assessing multiple interactions of swallowing mechanics based on coordinates mapping muscle function including hyolaryngeal movement, pharyngeal shortening, tongue base retraction, and extension of the head and neck, however coordinates characterizing pharyngeal constriction is undeveloped. While the clinical purpose of this radiographic imaging is to primarily assess aspiration risk, valuable biomechanical data is embedded in these studies. Videofluoroscopic imaging of swallowing known as the Modified Barium Study (MBS) is the standard of care for assessing swallowing difficulty. Journal of Pediatrics and Palliative Care.International Journal of Cancer and Oncology.International Journal of Neurology and Brain Disorders.Journal of Gynecology and Neonatal Biology.Investigative Dermatology and Venereology Research.Journal of Gastrointestinal Disorders and Liver function.Journal of Environment and Health Science.Journal of Marine Biology and Aquaculture.Journal of Medicinal Chemistry and Toxicology.Journal of Analytical, Bioanalytical and Separation Techniques.Journal of Nanotechnology and Materials Science. ![]() Journal of Bioinformatics, Proteomics and Imaging Analysis.Journal of Veterinary Science and Animal Welfare.International Journal of Food and Nutritional Science.Letters in Health and Biological Sciences.Journal of Cellular Immunology and Serum Biology.International Journal of Hematology and Therapy.Journal of Stem Cell and Regenerative Biology.Journal of Pediatrics and Palliative Care ISSN:2690-4810.Journal of Heart and Cardiology ISSN:2378-6914.International Journal of Cancer and Oncology ISSN:2377-0902.International Journal of Neurology and Brain Disorders ISSN:2377-1348.Journal of Diabetes and Obesity ISSN:2376-0494.Journal of Gynecology and Neonatal Biology ISSN:2380-5595.Journal of Dentistry and Oral Care ISSN:2379-1705.Investigative Dermatology and Venereology Research ISSN:2381-0858.Journal of Gastrointestinal Disorders and Liver function ISSN:2471-0601. ![]()
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