Computer Vision System for Evaluating the Schober's Test

摘要

The study of diseases that affect the mobility of patients requires precise measurements that provide information that allows the specialist to classify the progress and severity of the disease. In the case of the evaluation of ankylosing spondylitis the Schober's test or modified Schober's test is commonly used to evaluate the subject. The test is based on a set of physical exercises providing an index of mobility; some of the tests are the lower back under flexion, neck mobility, Occiput-to-Wall measurement, and leg-split capacity. The obtained indexes are used to evaluate the current condition of the subject. Traditionally these measurements are obtained manually by the specialist and there are questions related to the correct execution of each activity, subject by subject. In order to provide a more accurate method that can be used to assess the full range of movements, a tridimensional tracking system based on the Kinect v2 sensor is proposed and evaluated in this work.