Table 2 Categorization of articles based on the main research area

Design of custom wheelchair components

Wheelchair frame

2

[19, 26]

Cushion

11

[27,28,29,30,31,32,33,34,35,36,37]

Back support

2

[19, 38]

Manufacturing of custom wheelchair components

Wheelchair frame

2

[19, 26]

Cushion

13

[29,30,31, 33, 39,40,41,42,43,44,45,46,47]

Head support

1

[48]

Design models for wheelchair customization

User needs assessment

3

[49,50,51]

Analytical model

1

[52]

Theoretical model

1

[53]

Use of Computer based (CAx) tools

Design

13

[18, 19, 26, 36, 40, 42, 45, 53,54,55,56,57,58]

Manufacturing

4

[31, 42, 45, 55]

Analysis/Simulation

6

[34, 54, 55, 57, 59, 60]

Evaluating effectiveness of custom components

Cushion

6

[39, 59, 61,62,63,64]

Wheelchair assembly

2

[65, 66]

Customization impact and context

Benefits of customization

7

[6, 32, 65, 67,68,69,70]

Provision of custom wheelchairs

1

[71]

History of customization

1

[22]