Reliability of Markerless 2D Video Analysis for Calculating Gait Joint Angles in Uncontrolled Environments
Background: Traditional 3D gait analysis constrains natural movement variability due to artificial laboratory settings; thus, this study evaluated the intra- and inter-rater reliability of a low-cost, 2D markerless smartphone video protocol for assessing lower limb sagittal kinematics in an unconstrained environment. M...