Can an Ergonomic Chair Fit Different-Sized Users?

Ergonomic chairs are used for the purpose ofpressure of your body weight depletes oxygen
supporting the skeletal posture, when sitting tofrom the tissues around the pelvic bones and
perform work-based activities in daily living.starves them of oxygen. Your body will tell you
In many situations, the ergonomic chair is used bywhen the area needs more oxygen, by your
different-sized people, which means that it shouldneed to change positions.
have a mechanism to adjust the chair to fit allIf you do not change positions, then the tissue
their comfort needs.cells will be starved of oxygen and the tissues will
To do this the ergonomic chair must have a seat'necrode' or begin to die. This is a danger in people
slide mechanism. This type of mechanism willwith spinal cord injuries, who sit in wheelchairs;
shorten or lengthen the base in the chair, forbecause they have lost the vital nerve
reducing or lengthening the basal support that toinformation that informs their body they need
accommodate different height people.more oxygen in the cells.
The seat slide is a mechanism (as shown in theIf people with spinal injuries do not learn a strict
resource page box) fitted to an ergonomic chairregime of lifting their pelvic area at least every 5
that easily changes the seat length to be shorterminutes that relieves pressure off their pelvic
or longer, so that your correct basal support isarea; they will suffer bed sores, which is the
accommodated.beginning process of necrosis or death of tissues.
The correct seat measurement for your seatErgonomic chairs are vital for people who have
length is measured by placing four fingers in theany discomforts in their skeletal joints which
space between the seat and the back of yourimpairs functional mobility. They are important to
knees.provide the correct skeletal support, so that any
Anything shorter than four fingers in length will cutpressure is evenly distributed throughout the
off the blood supply to your legs for prolongedwhole body.
sitting. And anything longer will provide inadequateEvery person is a different shape and size, which
support in the base that supports your body inmeans the ergonomic chairs need to
the pelvic area for long-term sitting.accommodate all proportions, if they use the
The reason that you're basal support is so criticalsame chair. A Seat Slide fitted into the seat
in an ergonomic chair is because the greatestmechanism will provide the necessary changes to
proportion of your body weight is directed to thisthe ergonomic chair, so that it will adapt to the
area. Your body weight needs to be distributedshape of each person sitting the chair. The chair
across the largest surface area possible in thewill then provide the correct ergonomic basal
base, for comfort and support in the pelvic region.support and comfort to their pelvic region.
When you are sitting on your abdomen, the