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4
The height of the backrest and the amount of control pro-
vided by the adjustable tension upholstery will vary de-
pending on the abilities of the user. An active paraplegic
(SCI) may require a minimal back height which adds pos-
terior stability to the pelvis and lets the trunk assume a
natural balance over the top edge of the wheelchair up-
holstery. A less active para (with a high level of injury) or a
quadriplegic may require a higher backrest with an in-
creased level of recline (FIGURE 7).
The effect of back support and the angle of the backrest
are interconnected. Changes to one often requires change
to the other if optimal support and balance are to be
achieved. Use of a wheelchair with adjustable tension
upholstery can significantly increase function, postural
control, balance and comfort.
Para
FIGURE 7
Quad
FIGURE 8
C.
Back
Upholstery
Cover
A.
Back
Upholstery
Anchor
B.
Back
Upholstery
Adjuster
D.