Forearm skeleton modeling for pro-/supination movement using CT image measurement

Utilization of the digital human has been tried for the human work-related evaluation for industrial products and the prevention of an injury during sports activity. The human modeling for the posture generation of digital human are studied actively. In this study, we aim for the construction of the skeleton model for forearm pro-/supination to be performed in everyday life frequently. The forearm skeleton of the present digital human is comprised of 1 link, therefor we cannot estimate the movement of the forearm bone exactly. As the pro-/supination model of the forearm skeleton, there are the models Fick and others and Kecskemethy and others proposed. This model is comprised of 4 closed link of ulna, radius, elbow side junction and wrist side junction such as human forearm skeleton. In this paper, by analyzing CT imaging of the forearm, we proposed the newer forearm skeleton model based on biomechanics.