Seat Height - Dauphin Standard-Mechanik Manual Del Usuario

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Seat height

Sit right back in the chair and raise lever to adjust height
Adjust seat so that the feet are flat on the floor. The forearms
should rest on the desk to keep the muscles in the shoulders
and neck relaxed. The angle at the knee should be at least 90°.
If you experience painful pressure in the thighs, lower the height
of the desk or use a foot support.
Backrest height
➋
Adjusting the backrest height permits individual positioning
of the lumbar support. Set the centre of the lumbar support
(where the upholstery is thickest) at about waist height. Only
in this position is the natural curve of the spine stabilised and
unnatural postures (hollow or rounded back) can be avoided.
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Backrest tilt adjustment
➊
. Assume your desired working position and set the backrest in
position by means of the handwheel
Ensure that you maintain a sitting angle of at least 90° at the
hip, even when seated in the forwardmost position.
The resulting upright seated posture relieves the strain on the
intervertebral discs in the area of the lumbar vertebrae, prevents
constriction of the internal organs, facilitates breathing and
promotes concentration. For work which is carried out primarily
in the rear, relaxed sitting position (reading, talking on the
telephone, dictating), lock the backrest in the rear tilted position.
The resultant large opening angle relieves the strain on
intervertebral discs and muscles.
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