Chair ergonomics,correct postures

Numéro d’image : 11608428
Chair ergonomics,correct postures
Chair ergonomics. Series of artworks showing the correct posture for a human when sitting on different types of chair. In all four,seen from different angles,the spine is kept in the correct position,with lower lumbar support where needed. The muscles supporting the skeleton are also shown. The first chair is suitable for short periods of sitting. The second chair can be adjusted to fit people of different heights,and is used in offices. The third type is used for relaxation. The fourth type is adjustable,but lacks a back-rest. For the same artworks,but with skeletons,see image C010/2804
Licence : Droits gérés
Crédit: Science Photo Library / Lunau, Claus
Taille de l’image : 8103 px × 3472 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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