Human downfall simulation

Abstract eng:
Total knee and hip implants are usually designed for the static load of standing man, but the static load is not extreme. The top of research is to search extreme values forces and moments at leg and arm joints. The implants can be then designed for these extreme dynamics loads. Human fall was observed by camera system to record the position data of main points on human body. The markers were fixed to foots, ankles, knees, hips, shoulders and wrists (12 markers in all) and by camera system the 3D coordinates were detected and stored. The simulation program of human fall was compiled at PC in language C++ using simulation system CDCSIS. The program calculates the moving and turning accelerations and then the joint forces and moments are determined according to the d’Alembert’s principle.

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