How is the wheelchair seat depth measured?

Name: How is the wheelchair seat depth measured?
Brand: Quizplus
Rating: 4.8 (59 reviews)

Question

Quizplus · Accepted Answer

2 inches longer than the distance from the popliteal fossa is the measurement for wheelchair seat depth.
2 inches higher than the bottom of heel to the popliteal space is the measurement for the wheelchair seat height.
1 inch wider than the width of the widest part of the buttocks is the measurement for the seat width.
Arm rest height is measured from the bottom of the buttocks to the elbow.

How Is the Wheelchair Seat Depth Measured