| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Flaccidity of muscle (finding) | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| slappa muskler | Is a | False | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Muscle tone atonic | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Neonatal hypotonia | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Acquired hypotonia | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| X-linked intellectual disability and hypotonia with facial dysmorphism and aggressive behavior syndrome (disorder) | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Puerto Rican infant hypotonia syndrome (disorder) | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Congenital cataract, progressive muscular hypotonia, hearing loss, developmental delay syndrome | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Cystinuria, type 1 | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Multiple congenital anomalies, hypotonia, seizures syndrome (disorder) | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Benign congenital hypotonia | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Hypotonic-hyporesponsive episode (finding) | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Allan-Herndon-Dudley syndrome | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Intellectual disability, epilepsy, extrapyramidal syndrome | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Severe hypotonia, psychomotor developmental delay, strabismus, cardiac septal defect syndrome (disorder) | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Optic atrophy, ataxia, peripheral neuropathy, global developmental delay syndrome (disorder) | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Autosomal recessive lethal neonatal axonal sensorimotor polyneuropathy (disorder) | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Microcephaly, intellectual disability, sensorineural hearing loss, epilepsy, abnormal muscle tone syndrome (disorder) | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Intellectual disability, macrocephaly, hypotonia, behavioural abnormalities syndrome | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| Congenital contracture of limbs and face, hypotonia, developmental delay syndrome | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  | 
| G protein subunit alpha o1-related developmental delay, seizures, movement disorder spectrum (disorder) | Is a | True | Poor muscle tone (finding) | Inferred relationship | Some |  |