Harnesses to position a person lacking sufficient trunk control
Arm troughs to position and support a flaccid UE and prevent edema through elevation.
Lapboards can serve the same purpose as an arm trough, but are also beneficial as a working table top surface.
Mobile arm supports allow for use of an UE with proximal weakness to engage in feeding and other activities.
Hill-holder devices allow the w/c to move forward but automatically brake when the chair goes backward.
Seat width: measure the widest point across the hips and thighs and then add 2 inches.
Seat depth: measure both Les and take the greatest length; measure from the posterior portion of the buttocks to the popliteal fossa and then subtract 2 inches.
Back height: take measurement from the seat surface (including the cushion) upward to one of the following, depending on trunk control, activity level, strength, and size of person.
Mid back under scapula: 1-2 inches below
Mid-scapula or axilla
Top of shoulder
Seat height: footrests should have 2” clearance from the floor so cushion selected will affect this measurement. Standard height: 19.5” hemi-height: 17.5”, super-low: 14.5”
Arm rest height: shoulders should be neutral, arms hanging at the sides, elbows flexed to 90 degrees. Armrests that are too low will encourage leaning forward. Armrests that are too high will cause shoulder elevation.
Standard dimensions for wheelchairs
Chair style seat width seat depth seat height
Adult 18” 16” 20”
Narrow adult 16” 16” 20”
Slim adult 14” 16” 20”
Junior 16” 16” 18.5”
Child 14” 11.5” 18.76”
Tiny tot 12” 11.5” 19.5”
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