| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Tendon lengthening procedure | Is a | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier |  | 
| Release of contracture of muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Release of contracture of intrinsic muscle of thumb | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 4 | 
| Stretching of muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Step cut lengthening of bone | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Poncet operation | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier |  | 
| Release of contracture of sternomastoid muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 3 | 
| Release of contracture of forearm | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 3 | 
| Lengthening of bilateral sides of nasal columella | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening operation on mitral papillary muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening operation on tricuspid papillary muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening operation on atrioventricular valve papillary muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of quadriceps by tendon lengthening procedure | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of patellar tendon by tendon lengthening procedure | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of tendo achilles by tendon lengthening procedure | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of tendons or muscles of the flexor compartment of the forearm | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Correction of tibial pseudoarthrosis by excision and bone lengthening | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Elongation of tendo achilles | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Distal recession of gastrocnemius | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Unilateral columella lengthening operation | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Traction lengthening of diaphysis of bone | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of quadriceps | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Release of contracture of intrinsic muscle of hand | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 3 | 
| Release of intrinsic muscle of hand | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 4 | 
| Release of contracture of hand | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 3 | 
| Release of ischemic contracture of hand | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 4 | 
| Lengthening of gastrocnemius muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Quadricepsplasty, Bennett type | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 4 | 
| Crown lengthening, hard and soft tissue | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Quadricepsplasty, Thompson type | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 3 | 
| Osteoplasty of radius, lengthening with autograft | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of fascia of hand | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Plastic repair with lengthening | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of Achilles tendon | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier |  | 
| Lengthening of tendon | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of hamstring tendon | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier |  | 
| Lengthening of fascia | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of bone for reconstruction of thumb | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Osteoplasty of ulna, lengthening with autograft | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of muscle of hand | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Midtarsal arthrodesis, navicular-cuneiform, with tendon lengthening and advancement | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier |  | 
| Lengthening of tendo calcaneus by incomplete tenotomy | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier |  | 
| Lengthening of abductor hallucis muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Palatoplasty for lengthening of palate with pharyngeal flap | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Capsulotomy of midfoot with tendon lengthening | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier |  | 
| Osteoplasty of tibia and fibula, lengthening | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of tendon of hand | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier |  | 
| Lengthening of muscle of eye by muscle slide | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Primary repair of tendon using lengthening procedure | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary repair of tendon using lengthening procedure | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Release of paralytic tether | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Release of cicatricial tether | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Release of Finochetti contracture of hand | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 4 | 
| Lengthening of tendon and/or muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Tendon stretching | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Bone lengthening | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified release of contracture of muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Release of contracture of muscle NOS | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Release of Volkmann contracture of forearm | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Release of sternomastoid muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 3 | 
| Physiatric stretching of muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Lengthening of tendo calcaneus by incomplete tenotomy | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of extraocular muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Levator palpebrae Z myotomy | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Muscle graft into levator palpebrae muscle | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Lengthening of levator palpebrae muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Traction lengthening of diaphysis of bone | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Nasal columella lengthening operation | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of bone with bone graft | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Lengthening of extraocular muscles, two or more muscles | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Shortening of eye muscles, multiple, two or more muscles, with lengthening | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Poncet operation | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of tendons or muscles of the flexor compartment of the forearm | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of tendon | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of hamstring tendon | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Midtarsal arthrodesis, navicular-cuneiform, with tendon lengthening and advancement | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Capsulotomy of midfoot with tendon lengthening | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of tendon of hand | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Tendon stretching | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Crown lengthening, hard and soft tissue | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Crown lengthening, hard and soft tissue | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Lengthening of bilateral sides of nasal columella | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Osteoplasty of tibia and fibula, lengthening | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of muscle of hand | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of patellar tendon by tendon lengthening procedure | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of fascia | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Tendon stretching | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening operation on atrioventricular valve papillary muscle | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of tendon and/or muscle | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of tendo calcaneus by incomplete tenotomy | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of tendo achilles by tendon lengthening procedure | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of quadriceps by tendon lengthening procedure | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Nasal columella lengthening operation | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening operation on mitral papillary muscle | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of fascia of hand | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of bone with bone graft | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 2 | 
| Bone lengthening | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Step cut lengthening of bone | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of hamstring tendon | Method | False | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lengthening of abductor hallucis muscle | Method | True | Surgical lengthening - action | Inferred relationship | Existential restriction modifier | 1 |