Motorvoertuig en wervelkolom : orthopedische mogelijkheden ter voorkoming van chronische beschadiging van de wervelkolom.

A lecture is given of the design of the seat in a motorcar concerning the human back. At most seats the design is not too perfect and many drivers get a deformation of the back. Therefore new seats have to be constructed. Till so far the drivers must stop at regular intervals and walk a little.