| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Provision of artificial arm | Direct device | True | Arm prosthesis, device | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of myoelectric arm | Direct device | False | Arm prosthesis, device | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting of prosthetic upper limb device | Direct device | False | Arm prosthesis, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthesis or prosthetic device of upper arm | Direct device | False | Arm prosthesis, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthesis or prosthetic device of lower arm | Direct device | False | Arm prosthesis, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthesis or prosthetic device of arm | Direct device | False | Arm prosthesis, device | Inferred relationship | Existential restriction modifier | 1 | 
| Left arm prosthesis, device | Is a | True | Arm prosthesis, device | Inferred relationship | Existential restriction modifier |  | 
| Right arm prosthesis, device | Is a | True | Arm prosthesis, device | Inferred relationship | Existential restriction modifier |  | 
| Fitting of prosthesis or prosthetic device of upper arm | Direct device | True | Arm prosthesis, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthesis or prosthetic device of lower arm | Direct device | True | Arm prosthesis, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthetic upper limb device | Direct device | True | Arm prosthesis, device | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthesis or prosthetic device of shoulder | Direct device | True | Arm prosthesis, device | Inferred relationship | Existential restriction modifier | 1 | 
| Left arm prosthesis (physical object) | Is a | False | Arm prosthesis, device | Inferred relationship | Existential restriction modifier |  | 
| Right arm prosthesis (physical object) | Is a | False | Arm prosthesis, device | Inferred relationship | Existential restriction modifier |  | 
| Left lower arm prosthesis | Is a | True | Arm prosthesis, device | Inferred relationship | Existential restriction modifier |  | 
| Right lower arm prosthesis | Is a | True | Arm prosthesis, device | Inferred relationship | Existential restriction modifier |  |