Volume 20, Issue 24 (3-2023)                   RSMT 2023, 20(24): 32-42 | Back to browse issues page

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Yousefi M, Zanguie H. Reliability of Body Landmarks Analyzer for Measuring the Quadriceps Angle. RSMT 2023; 20 (24) :32-42
URL: http://jsmt.khu.ac.ir/article-1-508-en.html
University of Birjand , m.yousefi@Birjand.ac.ir
Abstract:   (983 Views)
Genovarum and Genovalgum are the most common postural deformities of the knee joint. A quadriceps angle is used to measure these anomalies. Methods of measuring this angle are divided into two categories: invasive and non-invasive. The purpose of the present research was to study the inter/intra rater reliability of the non-invasive Body Landmarks Analyzer method for measuring of the quadriceps angle. Seventeen males (Age: 23.40 ± 1.7 years, height: 176.32 ± 6.41 cm, weight: 72.25 ± 14.6 kg, and BMI: 22.33 ± 1.38, kg/m2). participated in this study. Body landmarks analyzer system consists of a pen (sender) and camera (receiver), both of which are equipped with IR sensors. Anatomical Landmarks of the ASIS, medial and lateral epicondyle, tibial tuberosity, and medial and lateral malleolus were used to diagnose and calculate the quadriceps angle position. Intra-class correlation coefficient (ICC) two-way mixed model on absolute agreement was used to identify the inter/intra raters’ reliability. The results showed that the intra-rater reliability for the first technician was 0.83; The second technician is 0.81 and the third technician is 0.8. In addition, the inter-rater reliability was also 0.85. Therefore, it can be stated that the Body Landmark Analyzer method has good reliability for use in the extraction of knee joint abnormalities. Therefore, it can be suggested that this system be used along with other non-invasive methods.
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Type of Study: Research | Subject: sport biomechanic
Received: 2021/10/3 | Accepted: 2022/02/20 | Published: 2023/03/6

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