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Figure 6 | Journal of NeuroEngineering and Rehabilitation

Figure 6

From: Non-invasive control interfaces for intention detection in active movement-assistive devices

Figure 6

Joint-rotation-based interface. 2 DOF joystick used for the control of a prosthetic arm (shoulder flexion-extension, shoulder internal-external rotation) with the residual shoulder motion. A) Diagram of the control interface used to measure the residual shoulder motion, B) close-up of the prototype, C) shoulder elevation produces shoulder flexion, D) shoulder depression produces shoulder extension, E) shoulder protraction produces internal shoulder rotation, F) shoulder retraction produces external shoulder rotation. Additional file 3 shows an amputee using this shoulder-joystick-based interface to control the shoulder motions of an active prosthesis. Figure modified from [56].

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