Browse Publications Technical Papers 2006-01-0699
2006-04-03

Behavior-Based Model of Clavicle Motion for Simulating Seated Reaches 2006-01-0699

A major limitation of ergonomic analyses with current digital human models (DHM) is the speed and accuracy with which they can simulate worker postures and motions. Ergonomic analysis capabilities of DHM would be significantly improved with the addition of a fast, deterministic, accurate movement simulation model for the upper extremities. This paper describes the development of an important component of such a model. Motion data from twelve men and women performing one-handed, push-button reaches in a heavy truck seat were analyzed to determine patterns of motion of the clavicle relative to the thorax. Target direction and reach distance were good predictors clavicle segment motion, particularly for fore-aft clavlcle motion.

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