ofinto Active Mode D'emploi page 23

In general, it is healthier to move while sitting, i.e. to
set the backrest of your chair to move. This additional
movement can help to prevent negative effects from
sitting permanently. When adjusting the resistance, make
sure that contact with the backrest is always maintained.
At the ideal resistance setting, the backrest holds your
back evenly when leaning back and provides comfortable
support with a light pressure on the way forward.
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