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Physical-Sensor and Virtual-Sensor Based Method for Estimation of Lower Limb Gait Posture Using Accelerometers and Gyroscopes
Journal of Biomechanical Science and Engineering
An approach using physical-sensor difference and virtual-sensor difference based algorithm to visually and quantitatively confirm lower limb posture was proposed and a wearable sensor system was developed. Flexion/extension (FE) and abduction/adduction (AA) hip joint angles and FE knee joint angle were estimated for orientations of the lower limb segments; the knee and ankle joint trajectories were calculated using the segmental orientation angles and lengths to estimate the positions of lowerdoi:10.1299/jbse.5.472 fatcat:jqrqidkfejalplgres4cwnoxhy