Browse Publications Technical Papers 2001-01-0387

Objective Evaluation of Seat Lateral Support for Cornering 2001-01-0387

For an automobile seat, lateral support is considered to be one of the most essential elements for comfort. This report examines lateral support with two selected seats. Driver's movement while cornering was observed by seat pressure distribution (S.P.D.), and muscle activity was simultaneously recorded in electromyogram (EMG). S.P.D showed larger lateral movement of driver and EMG showed higher muscle activity on a poor lateral support seat than on a good lateral support seat. The higher muscle activity on the poor seat was explained as an effort to compete against the larger lateral movement of the body. Thus, poor lateral support was proved to lead to heavier physical burden.


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