Wheelchairs: Postural Support Systems; Features

Question 1

Standard seat type on a rinky dink wheelchair? Disadvantages?

Answer 1

Sling-Seat:

• Hips tend to slide forward
• Thigh tend to Adduct and IR
• Reinforced poor pelvic position (posterior pelvic tilt)

Question 2

Pressure relief strategies. recommendations of how often to do them?

Answer 2

Every 15 minutes

Question 3

Indications for why Lower back height may be used?

Answer 3

• May increase functional mobility (sports chairs)

Question 4

Indications why high back height may be necessary?

Answer 4

• Poor Trunk Stability
• Extensor Spasms

Question 5

When are Elevating Leg Rests indicated?

Answer 5

• LE edema control
• Postural support

Question 6

When are Elevating Leg Rest Contraindicated?

Answer 6

Knee Flexor (Hamstring) Hypertonicity or tightness

Question 7

What are Casters?

Answer 7

Small front wheels, typically 8 inches in diameter

Question 8

Hemiplegic Chair (Hemi-Chair) characteristics?

Answer 8

• Designed to be low to the ground, allowing propulsion with uninvolved LE and UE

Question 9

Drive (rear) wheel placement for patients with bilateral LE amputations?

Answer 9

Drive wheels, posterior to the vertical back supports (2 inches backward)

• Increases length of BOS and posterior stability

(When seated in a WC their COG is now more posterior in which they are prone to tipping backward, which is why drive wheels need to be moved back)

Question 10

Bariatric Rear Axle Wheel Placement and Why?

Answer 10

Bariatrics COM is positioned several inches forward.

• Move rear axle more forward than conventional WC