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A design of miniaturized prosthetic wrist is proposed in this paper. Firstly, based on the wrist function, we divided daily activities into 4 scenarios, 12 behaviors and 30 wrist daily tasks in total. Secondly, according to the motion classification and the prerequisite of independent rotational DoF of the wrist, the 4 simplified trajectory, wrist repetition patterns(WRP), were obtained. Then, we...