PRODUCTS
 
Pro Forma Matrix™ Direct Back Sizing Print E-mail
Please use the following instructions when determining
the correct size for a Pro Forma Matrix™ Contouring Back Support

Wheelchair accessory: Proforma back support sizing diagram.            Wheelchair accessory: Proforma back support sizing diagram 2.

Size

Description

A

B

C- Client Measurement:
ASIS to top of Shoulder





1

Small

17"/430mm

25"/630mm

16"/410mm

2

Medium - Small

19"/480mm

27"/690mm

17"/430mm

3

Medium

20"/505mm

29"/740mm

18"/460mm

4

Medium - Large

21"/530mm

31"/790mm

19"/480mm

5

Large

23"/580mm

33"/840mm

20"/510mm