Document Detail


Technical note: Spine loading in automotive seating.
MedLine Citation:
PMID:  21745653     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
For car manufacturers, seat comfort is becoming more important in distinguishing themselves from their competitors. Therefore, many studies on participative seat comfort are carried out. In this paper, an objective assessment approach is reported which evaluates the concept of "optimal load distribution", based on the identification of a close relationship between the pressure on the seat and the discomfort felt by the person sitting. An in vivo measurement of the pressure in the spinal disc, which is an indicator of the load in the spine, was performed. For this research, a pressure sensor was implanted with a canula in the middle of the disc intervertebralis of a participant. The local pressure on the disc was established for the participant in an automobile seat set in various seat positions. The results indicate that in the seat position with the pressure distribution corresponding to the most comfortable posture the pressure in the intervertebral disc is lowest. The pressure in this position is 0.5bar, while in the upright seated position the pressure is 1.6bar.
Authors:
R Zenk; M Franz; H Bubb; P Vink
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-9
Journal Detail:
Title:  Applied ergonomics     Volume:  -     ISSN:  1872-9126     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0261412     Medline TA:  Appl Ergon     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd and The Ergonomics Society. All rights reserved.
Affiliation:
BMW AG Forschungs und Innovationszentrum, Knorrstrasse 147, D-80788 München, Germany.
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