Degrees of freedom (mechanics) Kinematics 5 Motion analysis 5 Machine design 4 Actuators 3 Artificial limbs 3 Controllers 3 Exoskeleton (Robotics) 3 Inertial measurements units 3 Kinect 3 Limb movements 3 Markerless 3 Mean square error 3 Motion analysis system 3 Motion capture 3 Motion capture system 3 Myoelectric 3 Robots 3 Upper bodies 3 Upper limbs 3 inertial measurement unit 3 motion capture 3 myoelectric 3 prosthesis 3 upper-limb 3 Actuation methods 2 Assembly tasks 2 Control design 2 Elastic actuators 2 End effectors 2