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Table 2 Mass distribution of the biomechatronics wrist prosthesis

From: Development and performance of a new prosthesis system using ultrasonic sensor for wrist movements: a preliminary study

  Mass of 1 unit No of unit Total mass Overall mass
  (kg)   (kg) (kg)
Biomechatronics wrist design     
Servo motor 0.06 2 0.12  
Arduino circuit board 0.03 1 0.03  
9V battery 0.03 1 0.03  
6V battery 0.01 1 0.01  
Wiring 0.01   0.01  
Interior prosthetics    0.19  
Exterior prosthetics 0.50   0.50  
Prosthetics     0.69
Normal male Hand     0.36
Normal male Hand + Forearm     1.31
Transradial Prosthetics + Hand     1.05