A way in determination of patellar position: Ligamentum patellae angle and a neural network application
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The patients may show various patellar order samples. Patellofemoral disorders are defined in all cases with patellofemoral pain syndrome. Right and left knees belonging to the 60 men and 60 women volunteers were measured. By using the distances from the measurements, ligamentum patellae (LP) angle was estimated by artificial neural network (ANN) method. According to the results, one can confidently say that the method is capable for estimating this angle. The related root mean square error belonging to the test data of ANN is between 0.48 degrees and 1.18 degrees. These angles for women are two times larger than men's. Eventually, the risk of patellofemoral disorders is greater for women than men. (C) 2014 Nalecz Institute of Biocybemetics and Biomedical Engineering. Published by Elsevier Urban & Partner Sp. z o.o. All rights reserved.