1. Seat
1.1. Sling
1.1.1. Standard
1.1.2. promotes posterior pelvic tilt
1.2. Insert/Contour
1.2.1. Wood or plastic
1.2.2. promotes neutral pelvic rotation
1.3. Seat Cushion
1.3.1. Distribute weight
1.3.2. prevent ulcers
1.3.3. Good for reduced sensitivity
1.4. Pressure relief 15-20 min
1.5. Seat belt positioned 45 degree
2. Back
2.1. Midscapular support
2.2. Low height
2.2.1. More functional mobility
2.3. High Back height
2.3.1. For trunk stability/ extensor spasm
2.4. Insert/Contour backs
2.4.1. Improves upright alignment & trunk ext.
2.5. Lateral trunk support
2.5.1. For scoliosis alignment
3. Leg rest
3.1. Fixed
3.2. Swing away or detachable
3.3. Elevating
3.3.1. For edema control and posture support
3.3.2. Contraindicated for Knee flexor hypertonicity or tightness
4. Footrest
4.1. Heel loops
4.1.1. prevents foot from sliding
4.2. straps
4.2.1. For stabilizing feet on foot plates
4.3. Footplates
4.3.1. Rest the feet
4.3.2. removable for transfers
5. Armrest
5.1. Full length/ Desk length
5.2. Fixed height/adjustable
5.3. Removable (ease transfers)
5.4. Wrapround Armrest
5.4.1. save space
5.5. UE support surface
5.5.1. Postural support
6. frame
6.1. Fixed
6.1.1. Easy to use and light
6.1.2. Covers more distance per stroke
6.2. Folding
6.2.1. Easy for storage
6.3. Anti tipping device
6.3.1. Added posteriorly to prevent tipping backward
7. wheels
7.1. casters
7.1.1. Small front wheels that facilitate stability with transfers.
7.2. drive wheels
7.2.1. Large rear wheels for propulsion with handgrip outer rim
7.3. projections
7.3.1. facilitate propulsion for poor handgrips
7.4. Friction/leather gloves
7.4.1. Increases hand friction for grip
7.5. Standard tires
7.5.1. Durable & low maintainence
7.6. pneumatic tires
7.6.1. Air filled increases shock absorption, high maintainence
8. Brakes
8.1. Lever system with cam
8.2. extensions
8.2.1. for patient with UE weakness or arthritis
8.3. Hill holder device
8.3.1. mechanical brake that automatically brakes when goes in reverse