Browse Publications Technical Papers 2019-01-1037
2019-04-02

THOR Neck Moment Calculation at Atlanto-Occipital Joint 2019-01-1037

In biomechanics research of human neck injuries, the moment for the upper neck was calculated to the Atlanto-Occipital (AO) joint. In this paper, a mathematical method was presented to calculate the neck moment at AO for both Test Device for Human Occupant Restraint (THOR) 50th male and THOR 5th female ATDs in neck flexion, extension and lateral bending directions. Detailed formula was derived according to the mechanical design and how parts functions in the ATD. The constant parameters for both THOR 50th and 5th were provided for the calculation. One THOR-50M neck test data was presented in this paper to illustrate the calculation results.

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