How to Size a Wheelchair

Begin the process by discussing your specific needs with your doctor, physical therapist and/or other healthcare provider who has hands-on experience with wheelchair selection and sizing.

Mobility expert Adrian Cristian, MD, shares in his book, Living with Spinal Cord Injury, the following criteria for a comfortable and healthy seated position in a manual or power wheelchair.

• Your hips and knees should be bent at 90 degrees.
  

• Your thighs should be slightly spread apart.
  

• The normal curvatures of your spine should be preserved. Abnormal curvatures that cannot be corrected should be accommodated.
  

• Your head should be directly over the pelvis, the eyes looking directly ahead and level.
  

Dr. Cristian also points out that some conditions may require specially equipped chairs with features that include reclining and tilting capabilities for those who cannot shift their own weight or have poor arm strength.

A power wheelchair may be best suited for people who cannot push a manual wheelchair on their own with their hands and/or feet, have poor trunk control, or significant curvatures of the spine.

A properly sized wheelchair must support and accommodate the entire body -- including back, hips, legs, knees, ankles, and buttocks.

The individual's weight should be evenly distributed and a quality seat cushion or pad is essential to help relieve pressure points from sitting that could potentially cause sores.

In addition, wheelchairs should always be comfortable, cool, and easy to push, enabling mobility-challenged individuals to maximize their independence.

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