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Articulation at shoulder level - A pilot experimental study on car seat comfort

DA. Coelho ; Sven Dahlman (Institutionen för produkt- och produktionsutveckling, Design and Human Factors)
Applied Ergonomics (0003-6870). Vol. 43 (2012), 1, p. 27-37.
[Artikel, refereegranskad vetenskaplig]

This article reports on a pilot experimental study aimed at a first evaluation of the introduction of an articulation in the upper part of the seat backrest. The idea of introducing this articulation sprang from prevention of whiplash injuries and this study tentatively assesses its potential for improvement in comfort. This was done considering a pre-defined articulation height. A height for the articulation of 43.5 cm above the H-point of a reference seat was theoretically deduced based on a population with an average sitting height of 88 cm. Participants evaluated the articulated seat in comparison with the reference seat. Twelve participants were divided into three groups of sitting height. In a laboratory environment subjective comfort evaluations and preferred values of deployment of the articulation and of counter-tilting of the headrest were registered. Driving on the roads completed and validated the laboratory assessments. The reference seat was deemed less comfortable for the participants with short and medium sitting height than for the tall ones. There was a notable improvement in comfort for most of the medium and short sitting height participants when using the articulated seat. The articulation was fully deployed by most participants.

Nyckelord: Car seat backrest, Seat comfort, Road driving

Denna post skapades 2013-01-21.
CPL Pubid: 171905


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Institutioner (Chalmers)

Institutionen för produkt- och produktionsutveckling, Design and Human Factors (2008-2017)


Produktionsteknik, arbetsvetenskap och ergonomi

Chalmers infrastruktur