| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Swelling of thumb joint | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint deformity | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint locking | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Tenderness of thumb joint | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint painful on movement | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint crepitus | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint temperature finding | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Finding of thumb joint stability | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Finding of thumb joint color | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Finding of thumb joint - range of movement | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint effusion | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Inflammation of thumb joint | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint hypermobility | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint laxity | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint stiff | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Closed dislocation of interphalangeal joint of thumb | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Traumatic dislocation of joint of thumb | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthrosis of the carpometacarpal joint of the thumb | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Ankylosis of the first carpometacarpal joint | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Primary arthrosis of first carpometacarpal joints, bilateral | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Post-traumatic arthrosis of first carpometacarpal joints, bilateral | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Pathological dislocation of first carpometacarpal joint | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Complete tear of ligament of thumb | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Open division thumb ligament | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Chronic instability of the metacarpophalangeal joint of thumb | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Rupture of ulnar collateral ligament of thumb | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Contracture of joint of thumb | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Acquired fixed flexion deformity of thumb | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Fixed extension deformity of thumb joint | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Rotational deformity of thumb | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Fracture dislocation of thumb | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Fracture subluxation of thumb | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Volar plate injury of thumb joint | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Sprain of ligament of thumb | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Traumatic division of thumb ligament | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Subluxation of thumb | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Arthritis of first carpometacarpal joint of left hand | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Arthritis of first carpometacarpal joint of right hand | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb stiffness, brachydactyly, intellectual disability syndrome | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint stable | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Thumb joint unstable | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Closed fracture of epiphyseal plate of phalanx of thumb | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Mallet thumb with closed tendon injury | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Volar plate injury, thumb, interphalangeal joint | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Open fracture thumb distal phalanx, mallet | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Mallet thumb with open tendon injury | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Volar plate injury, thumb, metacarpophalangeal joint | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Closed fracture thumb distal phalanx, mallet | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Sprain thumb, carpometacarpal joint | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Traumatic amputation, thumb, through metacarpophalangeal joint | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Traumatic amputation, thumb, through interphalangeal joint | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Open dislocation of thumb | Is a | False | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  | 
| Traumatic rupture of collateral ligament of joint of thumb | Is a | True | Finding of joint of thumb | Inferred relationship | Existential restriction modifier |  |