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Why should cushion selection be based on the patient's needs and financial status?
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Different cushions offer varying levels of support and pressure distribution, and affordability may also be a consideration for long-term use.
How can you check pelvic symmetry in a wheelchair user?
By examining the symmetry of the Anterior Superior Iliac Spine (ASIS).
What can cause pressure sores in wheelchair users?
Uneven pressure distribution over the seating surface.
How high should the backrest typically be positioned?
1-2 inches below the scapula.
How should the seat angle and cushion be adjusted for optimal support?
Ensure a large contact area between the seat and backrest, and the cushion should support the ischial tuberosities without side pressure.
Why is it important for a person to sit as far back in the seat as possible?
To ensure proper back support and optimal pressure distribution on the buttocks and trunk.
What is the 90-90-90 sitting position?
A posture where the hips, knees, and ankles are each at 90-degree angles.
What issues can arise from an anterior pelvic tilt?
Muscle fatigue and bladder control issues.
When is head support necessary?
When the backrest angle exceeds 105 degrees, to prevent hyperextension of the head.
Why is proper armrest height important?
It allows relaxation of shoulders and elbows and permits the user to push themselves up for pressure relief.
What are the effects of a posterior pelvic tilt?
It can affect swallowing, breathing, and lead to a kyphotic posture.
When might lateral/trunk supports be necessary?
For individuals with high thoracic spinal injuries who require additional trunk support.
Why should the eyes and ears be parallel to the floor in a wheelchair posture?
To ensure the head and neck are properly aligned, reducing strain and improving balance.
What problems can arise from an asymmetric thigh position?
It can lead to pressure on the medial side of the legs and a tendency toward scoliosis.
Why should the foot position aim for a 90-90-90 alignment?
To maximize hamstring length and prevent a posterior pelvic tilt.
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