Development of a Human FE Model with 3-D Geometry of Muscles and Lateral Impact Analysis for the Arm with Muscle Activity

Masami Iwamoto; Yuko Nakahira; Hideyuki Kimpara; Takahiko Sugiyama

doi:10.4271/2009-01-2266

2009-06-09

Development of a Human FE Model with 3-D Geometry of Muscles and Lateral Impact Analysis for the Arm with Muscle Activity 2009-01-2266

To investigate the effect of muscle activity in pre-impact on injury outcome, we developed a human arm finite element model with muscles which consisted of solid elements and truss elements that could be used for simulating muscle stiffness change for the inputted activity and 3-D geometry of each muscle. Two series of experimental tests on muscle stiffness change and arm flexion were conducted for validation of the model. Comparisons between the simulation results and test data indicated the model validity. Lateral impact simulations for a left arm demonstrated that the muscle activity in pre-impact had significant effects on the motion and stress distribution of the arm bones.

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Development of a Human FE Model with 3-D Geometry of Muscles and Lateral Impact Analysis for the Arm with Muscle Activity 2009-01-2266

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