From: Negotiated control between the manual and visual systems for visually guided hand reaching movements
Manual system | Visual system | |||
---|---|---|---|---|
Variable | Joint movement | Positive rotation | Variable | Joint movement |
θ m 1 | Torso flexion/extension | Extension | θ v 1 | Torso flexion/extension |
θ m 2 | Torso axial rotation | Counter-clockwise | θ v 2 | Torso axial rotation |
θ m 3 | Torso lateral bending | Leftward | θ v 3 | Torso lateral bending |
θ m 4 | Shoulder flexion/extension | Flexion | θ v 4 | Neck/Head flexion/extension |
θ m 5 | Shoulder abduction/adduction | Abduction | θ v 5 | Neck/Head axial rotation |
θ m 6 | Upper arm axial rotation | Counter-clockwise | θ v 6 | Neck/Head lateral bending |
θ m 7 | Elbow flexion/extension | Flexion |  |  |