Force distribution at the container hand/handle interface using force-sensing resistors

Handle locations and geometry play an important role in wrist postures assumed while lifting containers. The intent of this research was to determine the pressure distribution at the container handle/hand interface, and to use the same as a criterion for evaluating container handle positions and angles. Five handle positions ( 2 2, 8 8, 3 7, 6 8, and 3 8), 15 30 45 60 75 90) were tested in a static holding task. The force at the interface was measured using a number of force sensing resistors (FSR) in each hand. The results indicate handle positions 2 2, 8 8, and 3 7 to be far superior to the other handle positions. The average pressure at the FSR sites appears to be the least at handle angles 60-75 degress. On the basis of these findings recommendations are made for container design.