| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Use of treadmill | Using | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Cardiovascular stress test using treadmill | Using | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Use of treadmill | Direct device | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Cardiovascular stress test using treadmill | Direct device | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Use of treadmill | Using | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Cardiovascular stress test using treadmill | Using | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Use of treadmill | Using device | True | Treadmill, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cardiovascular stress test using treadmill | Using device | True | Treadmill, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cardiovascular stress test using treadmill | Using device | False | Treadmill, device | Inferred relationship | Existential restriction modifier | 1 | 
| Treadmill, mechanical | Is a | True | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Treadmill, powered | Is a | True | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Hydrotherapy treadmill | Is a | True | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Treadmill automated-guidance gait rehabilitation system | Is a | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Manual-guidance gait rehabilitation system | Is a | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Treadmill automated-guidance gait rehabilitation system robotic orthosis | Is a | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Gait rehabilitation system static weight support | Is a | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Gait rehabilitation system dynamic weight support | Is a | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Gait rehabilitation system harness | Is a | False | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Stress test treadmill | Is a | True | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Pneumatic support treadmill | Is a | True | Treadmill, device | Inferred relationship | Existential restriction modifier |  | 
| Cardiovascular stress test using Bruce protocol | Using device | True | Treadmill, device | Inferred relationship | Existential restriction modifier | 1 |