Mechanical Design and Assessment of a Low-Cost 7-DOF Prosthetic Arm for Shoulder Disarticulation

<div>Mechanism design for the elbow flexion-extension: (a) the first four-bar mechanism; (b) the second four-bar mechanism in a singular position; (c) second singular position of the mechanism.</div>

Applied Bionics and Biomechanics

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Figure 6

Figure 6: Mechanical Design and Assessment of a Low-Cost 7-DOF Prosthetic Arm for Shoulder Disarticulation 