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Seating Measuring Guide

Scooter Direct wants to make sure that you have every bit of information needed to assist you in choosing the correct seating options for your wheelchair, power chair or scooter. Listed below is a measuring guide that will assist you in determining the seating options that will work best for you.

 
To determine the seat width, depth and height that will best serve your needs, please get out a tape measure and review the charts below.
 
Wheelchair / Power Chair Measurements :
   
1 Hip Width :
 

Use this to figure seat width if it is the widest point

   
2 Widest Point :
 

Measure the widest area across the lower extremities if different from the hip width. This may influence seat width or arm style.

   
3 Chest Width:
 

Measure the widest point of the thorax just below the arm pit. This measurement may influence system width or back width.

   
4 Heel to Knee :
 

Use this for largest extensions and seat height.

   
5 SRP to Knee (Seat Reference Point to Knee):
 

This will determine the seat depth

   
6 Elbow to SRP (Elbow to Seat Reference Point):
 

Measure this width with the arm in a 90 degree angle at the elbow and the shoulder in a neutral position.

   
7 Shoulder Height:
 

This will determine the height and the style of the back panel or the start for a custom back.

   
8 Head Height:
 

This will help determine the proper headrest height.

 
Scooter Measurements :
   
1 Hip Width :
 

Use this to figure seat width if it is the widest point

   
2 Widest Point :
 

Measure the widest area across the lower extremities if different from the hip width. This may influence seat width or arm style.

   
3 Chest Width:
 

Measure the widest point of the thorax just below the arm pit. This measurement may influence system width or back width.

   
4 SRP to Knee (Seat Reference Point to Knee):
 

This will determine the seat depth

 

Seat Width :

The correct width is determined by measuring the width of the body from outside hip to outside hip while sitting. Be sure to add an extra inch to allow movement.

 

Seat depth:

The correct depth is determined by measuring from the most posterior point of the body to the inside of the knee. Subtract at least 2 inches, to allow for relaxed posture, and consider that some may prefer more leg overhang to make room for their hand when lifting their leg for repositioning.

 

Seat Back Height :

The correct back height is determined by measuring from the seat base to the top of the shoulder blades Based on your medical condition, you may require full back support. Most riders only require lumbar support, and the standard medium back height will work fine.

 

Seat Height

The correct seat height is determined by measuring from the sole of the foot to the back of the knee. This measurement is used to determine where your feet will rest comfortably, without strain on your legs or back. This is the seat height in relation to the footplate or footrests.

 
This measurement guide is for educational purposes and shouldn’t be used as an alternative to professional care.