3D joint kinematics 1 3d joint kinematic 1 Biomechanical model 1 Body kinematics 1 Calibration 1 Degrees of freedom (mechanics) 1 IMU 1 Integrated control 1 Joint angle 1 Joint kinematics 1 Joints (anatomy) 1 Kinematics 1 Low-body kinematic Lower body 1 Motion analysis 1 Open-source 1 Physiological models 1 Sensor-to-segment calibration 1 Wearable sensors 1 biomechanical model 1 joint angles 1 lower-body kinematics 1 motion analysis 1 musculoskeletal 1 open-source 1 sensor-to-segment calibration 1 wearable sensors 1