Human Phenotype Ontology 
Grandparent Node:
expand
Limb joint contracture (HP:0003121)help
Parent Node:
expand
Abnormality of the knee (HP:0002815)help
Parent Node:
expand
Lower-limb joint contracture (HP:0005750)help
..Starting node
..expand
Knee flexion contracture (HP:0006380)help
Term ID: 6380
Name: Knee flexion contracture
Synonym: Contractures of knees; Contractures of the knees; Flexion contracture of knees; Flexion contractures at both knees; Flexion contractures of knees; Flexion deformity of the knee; Inability to straighten knee; Knee contracture; Knee contractures; Knee flexion contractures; Knee flexion deformity
Definition: A bent (flexed) knee joint that cannot be straightened actively or passively.
Comments:
Reference: HP:0006380
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandAdductor longus contractures (HP:0006366) help
..expandAnkle flexion contracture (HP:0006466) help
..expandCongenital foot contractures (HP:0005745) help
..expandFoot joint contracture (HP:0008366) help
..expandHamstring contractures (HP:0003089) help
..expandHip contracture (HP:0003273) help
InputHPO IDHPO termDistanceGeneGene id entrezHGNC IDDiseaseIdDiseaseNameFrequencyOnsetHGMD variantsClinVar variants
 
HPO disease - gene - phenotype typical associations:
 
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0006380HP:0006380Knee flexion contracture0ACTA1 CL E G H58129ORPHA:2020Congenital fiber-type disproportion myopathyHP:0040283 - Occasional96
HP:0006380HP:0006380Knee flexion contracture0ALG14 CL E G H19985728287ORPHA:353327Congenital myasthenic syndromes with glycosylation defectHP:0040283 - Occasional12
HP:0006380HP:0006380Knee flexion contracture0ALG2 CL E G H8536523159ORPHA:353327Congenital myasthenic syndromes with glycosylation defectHP:0040283 - Occasional46
HP:0006380HP:0006380Knee flexion contracture0ANKLE2 CL E G H2314129101OMIM:616681Microcephaly 16, primary, autosomal recessive.3
HP:0006380HP:0006380Knee flexion contracture0ATP6V1E1 CL E G H529857OMIM:617402Cutis laxa, autosomal recessive, type IIC.2
HP:0006380HP:0006380Knee flexion contracture0BAG3 CL E G H9531939OMIM:612954Myopathy, myofibrillar, 6.204
HP:0006380HP:0006380Knee flexion contracture0BICD2 CL E G H2329917208OMIM:615290Spinal muscular atrophy, lower extremity-predominant, 2, autosomaldominantHP:0040283 - Occasional46
HP:0006380HP:0006380Knee flexion contracture0C19ORF12 CL E G H8363625443ORPHA:320370Autosomal recessive spastic paraplegia type 43HP:0040282 - Frequent114
HP:0006380HP:0006380Knee flexion contracture0C19ORF12 CL E G H8363625443OMIM:615043Spastic paraplegia 43, autosomal recessive.114
HP:0006380HP:0006380Knee flexion contracture0CFL2 CL E G H10731875OMIM:610687Nemaline myopathy 735
HP:0006380HP:0006380Knee flexion contracture0CHRNB1 CL E G H11401961OMIM:616313Myasthenic syndrome, congenital, 2A, slow-channel53
HP:0006380HP:0006380Knee flexion contracture0CHRNG CL E G H11461967OMIM:265000Multiple pterygium syndrome, escobar variant68
HP:0006380HP:0006380Knee flexion contracture0CNTNAP1 CL E G H85068011OMIM:616286Lethal congenital contracture syndrome 7.9
HP:0006380HP:0006380Knee flexion contracture0COL12A1 CL E G H13032188ORPHA:75840Congenital muscular dystrophy, Ullrich typeHP:0040282 - Frequent65
HP:0006380HP:0006380Knee flexion contracture0COL12A1 CL E G H13032188ORPHA:536516Myopathic Ehlers-Danlos syndromeHP:0040283 - Occasional65
HP:0006380HP:0006380Knee flexion contracture0COL25A1 CL E G H8457018603ORPHA:1143Neurogenic arthrogryposis multiplex congenitaHP:0040282 - Frequent3
HP:0006380HP:0006380Knee flexion contracture0COL6A1 CL E G H12912211ORPHA:75840Congenital muscular dystrophy, Ullrich typeHP:0040282 - Frequent442
HP:0006380HP:0006380Knee flexion contracture0COL6A2 CL E G H12922212ORPHA:75840Congenital muscular dystrophy, Ullrich typeHP:0040282 - Frequent478
HP:0006380HP:0006380Knee flexion contracture0COL6A3 CL E G H12932213ORPHA:75840Congenital muscular dystrophy, Ullrich typeHP:0040282 - Frequent702
HP:0006380HP:0006380Knee flexion contracture0CPT2 CL E G H13762330OMIM:608836Carnitine palmitoyltransferase II deficiency, lethal neonatal.101
HP:0006380HP:0006380Knee flexion contracture0DDR2 CL E G H49212731OMIM:271665Spondylometaepiphyseal dysplasia, short Limb-Hand type.45
HP:0006380HP:0006380Knee flexion contracture0DHX16 CL E G H84492739OMIM:618733NEUROMUSCULAR OCULOAUDITORY SYNDROME; NMOAS
HP:0006380HP:0006380Knee flexion contracture0DMD CL E G H17562928OMIM:310200Duchenne muscular dystrophy1496
HP:0006380HP:0006380Knee flexion contracture0DPAGT1 CL E G H17982995ORPHA:353327Congenital myasthenic syndromes with glycosylation defectHP:0040283 - Occasional38
HP:0006380HP:0006380Knee flexion contracture0DPM1 CL E G H88133005OMIM:608799Congenital disorder of glycosylation, type IE.27
HP:0006380HP:0006380Knee flexion contracture0DPM1 CL E G H88133005ORPHA:79322DPM1-CDGHP:0040283 - Occasional27
HP:0006380HP:0006380Knee flexion contracture0EMD CL E G H20103331OMIM:310300Emery-Dreifuss muscular dystrophy 1, X-linked107
HP:0006380HP:0006380Knee flexion contracture0ERCC1 CL E G H20673433OMIM:610758Cerebrooculofacioskeletal syndrome 420
HP:0006380HP:0006380Knee flexion contracture0ERCC6 CL E G H20743438OMIM:214150Cerebrooculofacioskeletal syndrome 1.199
HP:0006380HP:0006380Knee flexion contracture0ERGIC1 CL E G H5722229205ORPHA:1143Neurogenic arthrogryposis multiplex congenitaHP:0040282 - Frequent
HP:0006380HP:0006380Knee flexion contracture0ERLIN1 CL E G H1061316947ORPHA:401785Autosomal recessive spastic paraplegia type 62HP:0040283 - Occasional2
HP:0006380HP:0006380Knee flexion contracture0ERLIN2 CL E G H111601356ORPHA:209951Autosomal recessive spastic paraplegia type 18HP:0040281 - Very frequent18
HP:0006380HP:0006380Knee flexion contracture0ERLIN2 CL E G H111601356ORPHA:280384Recessive intellectual disability-motor dysfunction-multiple joint contractures syndromeHP:0040282 - Frequent18
HP:0006380HP:0006380Knee flexion contracture0ESCO2 CL E G H15757027230ORPHA:3103Roberts syndromeHP:0040283 - Occasional92
HP:0006380HP:0006380Knee flexion contracture0ESCO2 CL E G H15757027230OMIM:268300Roberts syndrome.92
HP:0006380HP:0006380Knee flexion contracture0FBN1 CL E G H22003603OMIM:184900STIFF SKIN SYNDROME; SSKS1361
HP:0006380HP:0006380Knee flexion contracture0FBN2 CL E G H22013604OMIM:121050Contractural arachnodactyly, congenital655
HP:0006380HP:0006380Knee flexion contracture0FDFT1 CL E G H22223629OMIM:618156SQUALENE SYNTHASE DEFICIENCY; SQSD
HP:0006380HP:0006380Knee flexion contracture0FKBP10 CL E G H6068118169OMIM:259450Bruck syndrome 1.HP:0003577 - Congenital onset61
HP:0006380HP:0006380Knee flexion contracture0FLNA CL E G H23163754OMIM:305620Frontometaphyseal dysplasia.493
HP:0006380HP:0006380Knee flexion contracture0GFPT1 CL E G H26734241ORPHA:353327Congenital myasthenic syndromes with glycosylation defectHP:0040283 - Occasional128
HP:0006380HP:0006380Knee flexion contracture0GJB2 CL E G H27064284OMIM:148210Keratitis-Ichthyosis-Deafness syndrome, autosomal dominant.199
HP:0006380HP:0006380Knee flexion contracture0GJB2 CL E G H27064284ORPHA:477KID syndrome199
HP:0006380HP:0006380Knee flexion contracture0GJB6 CL E G H108044288ORPHA:477KID syndrome56
HP:0006380HP:0006380Knee flexion contracture0GLI3 CL E G H27374319ORPHA:93322Tibial hemimeliaHP:0040282 - Frequent270
HP:0006380HP:0006380Knee flexion contracture0GMPPB CL E G H2992522932ORPHA:353327Congenital myasthenic syndromes with glycosylation defectHP:0040283 - Occasional34
HP:0006380HP:0006380Knee flexion contracture0GNB2 CL E G H27834398OMIM:619503NEURODEVELOPMENTAL DISORDER WITH HYPOTONIA AND DYSMORPHIC FACIES; NEDHYDF
HP:0006380HP:0006380Knee flexion contracture0GNPTAB CL E G H7915829670ORPHA:576Mucolipidosis type IIHP:0040283 - Occasional240
HP:0006380HP:0006380Knee flexion contracture0HACD1 CL E G H92009639ORPHA:2020Congenital fiber-type disproportion myopathyHP:0040283 - Occasional2
HP:0006380HP:0006380Knee flexion contracture0HS2ST1 CL E G H96535193OMIM:619194NEUROFACIOSKELETAL SYNDROME WITH OR WITHOUT RENAL AGENESIS; NFSRA
HP:0006380HP:0006380Knee flexion contracture0ITGA7 CL E G H36796143ORPHA:2020Congenital fiber-type disproportion myopathyHP:0040283 - Occasional127
HP:0006380HP:0006380Knee flexion contracture0JAG2 CL E G H37146189OMIM:619566MUSCULAR DYSTROPHY, LIMB-GIRDLE, AUTOSOMAL RECESSIVE 27; LGMDR271
HP:0006380HP:0006380Knee flexion contracture0KAT6B CL E G H2352217582OMIM:606170Genitopatellar syndrome.141
HP:0006380HP:0006380Knee flexion contracture0KAT6B CL E G H2352217582ORPHA:85201Genitopatellar syndromeHP:0040281 - Very frequent141
HP:0006380HP:0006380Knee flexion contracture0KY CL E G H33985526576ORPHA:496689Kyphoscoliosis-lateral tongue atrophy-hereditary spastic paraplegia syndromeHP:0040283 - Occasional3
HP:0006380HP:0006380Knee flexion contracture0LBR CL E G H39306518OMIM:618019PELGER-HUET ANOMALY WITH MILD SKELETAL ANOMALIES; PHASK70
HP:0006380HP:0006380Knee flexion contracture0LGI4 CL E G H16317518712OMIM:617468Arthrogryposis multiplex congenita, neurogenic, with myelin defect.6
HP:0006380HP:0006380Knee flexion contracture0LIFR CL E G H39776597ORPHA:3206Stüve-Wiedemann syndromeHP:0040282 - Frequent144
HP:0006380HP:0006380Knee flexion contracture0LIFR CL E G H39776597OMIM:601559Stuve-Wiedemann syndrome.144
HP:0006380HP:0006380Knee flexion contracture0LMBRD2 CL E G H9225525287OMIM:619694DEVELOPMENTAL DELAY WITH VARIABLE NEUROLOGIC AND BRAIN ABNORMALITIES; DENBA
HP:0006380HP:0006380Knee flexion contracture0LMX1B CL E G H40106654ORPHA:2614Nail-patella syndromeHP:0040283 - Occasional165
HP:0006380HP:0006380Knee flexion contracture0MAP3K20 CL E G H5177617797ORPHA:2020Congenital fiber-type disproportion myopathyHP:0040283 - Occasional2
HP:0006380HP:0006380Knee flexion contracture0MEGF8 CL E G H19543233OMIM:614976Carpenter syndrome 213
HP:0006380HP:0006380Knee flexion contracture0MYH3 CL E G H46217573OMIM:193700Arthrogryposis, distal, type 2A.166
HP:0006380HP:0006380Knee flexion contracture0MYH3 CL E G H46217573OMIM:178110Contractures, pterygia, and spondylocarpostarsal fusion syndrome 1A.166
HP:0006380HP:0006380Knee flexion contracture0MYL1 CL E G H46327582OMIM:618414Myopathy, congenital, with fast-twitch (type ii) fiber atrophy
HP:0006380HP:0006380Knee flexion contracture0MYL11 CL E G H2989529824OMIM:619110ARTHROGRYPOSIS, DISTAL, TYPE 1C; DA1C
HP:0006380HP:0006380Knee flexion contracture0MYL2 CL E G H46337583ORPHA:2020Congenital fiber-type disproportion myopathyHP:0040283 - Occasional131
HP:0006380HP:0006380Knee flexion contracture0MYO9A CL E G H46497608OMIM:618198Myasthenic syndrome, congenital, 24, presynaptic.
HP:0006380HP:0006380Knee flexion contracture0NALCN CL E G H25923219082OMIM:616266Congenital contractures of the limbs and face, hypotonia, and developmental delay.48
HP:0006380HP:0006380Knee flexion contracture0NALCN CL E G H25923219082ORPHA:371364Hypotonia-speech impairment-severe cognitive delay syndromeHP:0040283 - Occasional48
HP:0006380HP:0006380Knee flexion contracture0NT5C2 CL E G H229788022ORPHA:320396Autosomal recessive spastic paraplegia type 45HP:0040281 - Very frequent15
HP:0006380HP:0006380Knee flexion contracture0PI4KA CL E G H52978983OMIM:619708GASTROINTESTINAL DEFECTS AND IMMUNODEFICIENCY SYNDROME 2; GIDID211
HP:0006380HP:0006380Knee flexion contracture0PI4KA CL E G H52978983OMIM:616531Polymicrogyria, perisylvian, with cerebellar hypoplasia and arthrogryposis11
HP:0006380HP:0006380Knee flexion contracture0PI4KA CL E G H52978983OMIM:619621SPASTIC PARAPLEGIA 84, AUTOSOMAL RECESSIVE; SPG8411
HP:0006380HP:0006380Knee flexion contracture0PIEZO2 CL E G H6389526270OMIM:114300Arthrogryposis, distal, type 3.77
HP:0006380HP:0006380Knee flexion contracture0PIGA CL E G H52778957OMIM:300868Multiple congenital anomalies-hypotonia-seizures syndrome 246
HP:0006380HP:0006380Knee flexion contracture0PIGY CL E G H8499228213OMIM:616809Hyperphosphatasia with mental retardation syndrome 62
HP:0006380HP:0006380Knee flexion contracture0PIK3R2 CL E G H52968980OMIM:603387Megalencephaly-Polymicrogyria-Polydactyly-Hydrocephalus syndrome.12
HP:0006380HP:0006380Knee flexion contracture0PLOD2 CL E G H53529082OMIM:609220Bruck syndrome 2.HP:0003577 - Congenital onset45
HP:0006380HP:0006380Knee flexion contracture0PSAT1 CL E G H2996819129ORPHA:284417Phosphoserine aminotransferase deficiency, infantile/juvenile formHP:0040283 - Occasional27
HP:0006380HP:0006380Knee flexion contracture0PSTPIP1 CL E G H90519580OMIM:604416Pyogenic sterile arthritis, pyoderma gangrenosum, and acne96
HP:0006380HP:0006380Knee flexion contracture0PTDSS1 CL E G H97919587OMIM:151050Lenz-Majewski hyperostotic dwarfism.6
HP:0006380HP:0006380Knee flexion contracture0PTH1R CL E G H57459608OMIM:156400Metaphyseal chondrodysplasia, Jansen type.58
HP:0006380HP:0006380Knee flexion contracture0RNU4ATAC CL E G H10015168334016OMIM:210710Microcephalic osteodysplastic primordial dwarfism, type I.15
HP:0006380HP:0006380Knee flexion contracture0RPL10 CL E G H613410298ORPHA:435938X-linked microcephaly-growth retardation-prognathism-cryptorchidism syndromeHP:0040282 - Frequent10
HP:0006380HP:0006380Knee flexion contracture0RTTN CL E G H2591418654ORPHA:468631Microcephalic cortical malformations-short stature due to RTTN deficiencyHP:0040283 - Occasional113
HP:0006380HP:0006380Knee flexion contracture0SCARF2 CL E G H9117919869OMIM:600920Van den Ende-Gupta syndrome.11
HP:0006380HP:0006380Knee flexion contracture0SCYL2 CL E G H5568119286ORPHA:1143Neurogenic arthrogryposis multiplex congenitaHP:0040282 - Frequent
HP:0006380HP:0006380Knee flexion contracture0SDHA CL E G H638910680ORPHA:3208Isolated succinate-CoQ reductase deficiencyHP:0040283 - Occasional304
HP:0006380HP:0006380Knee flexion contracture0SDHAF1 CL E G H64409633867ORPHA:3208Isolated succinate-CoQ reductase deficiencyHP:0040283 - Occasional16
HP:0006380HP:0006380Knee flexion contracture0SDHB CL E G H639010681ORPHA:3208Isolated succinate-CoQ reductase deficiencyHP:0040283 - Occasional237
HP:0006380HP:0006380Knee flexion contracture0SDHD CL E G H639210683ORPHA:3208Isolated succinate-CoQ reductase deficiencyHP:0040283 - Occasional129
HP:0006380HP:0006380Knee flexion contracture0SELENON CL E G H5719015999ORPHA:2020Congenital fiber-type disproportion myopathyHP:0040283 - Occasional144
HP:0006380HP:0006380Knee flexion contracture0SIK3 CL E G H2338729165OMIM:618162Spondyloepimetaphyseal dysplasia, Krakow type.
HP:0006380HP:0006380Knee flexion contracture0SLC18A3 CL E G H657210936OMIM:617239Myasthenic syndrome, congenital, 21, presynaptic.2
HP:0006380HP:0006380Knee flexion contracture0SLC25A46 CL E G H9113725198OMIM:619303PONTOCEREBELLAR HYPOPLASIA, TYPE 1E; PCH1E14
HP:0006380HP:0006380Knee flexion contracture0SLC39A8 CL E G H6411620862ORPHA:468699SLC39A8-CDGHP:0040283 - Occasional11
HP:0006380HP:0006380Knee flexion contracture0SNAP25 CL E G H661611132OMIM:616330Myasthenic syndrome, congenital, 182
HP:0006380HP:0006380Knee flexion contracture0SRD5A3 CL E G H7964425812OMIM:612713Kahrizi syndrome.80
HP:0006380HP:0006380Knee flexion contracture0SVIL CL E G H684011480OMIM:619040MYOFIBRILLAR MYOPATHY 10; MFM101
HP:0006380HP:0006380Knee flexion contracture0SYT2 CL E G H12783311510OMIM:619461MYASTHENIC SYNDROME, CONGENITAL, 7B, PRESYNAPTIC, AUTOSOMAL RECESSIVE; CMS7B4
HP:0006380HP:0006380Knee flexion contracture0TELO2 CL E G H989429099ORPHA:488642TELO2-related intellectual disability-neurodevelopmental disorderHP:0040283 - Occasional12
HP:0006380HP:0006380Knee flexion contracture0TPM2 CL E G H716912011OMIM:108120Arthrogryposis, distal, type 1A.54
HP:0006380HP:0006380Knee flexion contracture0TPM2 CL E G H716912011ORPHA:2020Congenital fiber-type disproportion myopathyHP:0040283 - Occasional54
HP:0006380HP:0006380Knee flexion contracture0TPM3 CL E G H717012012ORPHA:2020Congenital fiber-type disproportion myopathyHP:0040283 - Occasional108
HP:0006380HP:0006380Knee flexion contracture0TRIM2 CL E G H2332115974OMIM:615490Charcot-Marie-Tooth disease, axonal, type 2R.3
HP:0006380HP:0006380Knee flexion contracture0TRPV4 CL E G H5934118083OMIM:600175Spinal muscular atrophy, distal, congenital nonprogressive.214
HP:0006380HP:0006380Knee flexion contracture0UBA1 CL E G H731712469ORPHA:1145Infantile-onset X-linked spinal muscular atrophyHP:0040282 - Frequent35
HP:0006380HP:0006380Knee flexion contracture0UNC80 CL E G H28517526582ORPHA:371364Hypotonia-speech impairment-severe cognitive delay syndromeHP:0040283 - Occasional23
HP:0006380HP:0006380Knee flexion contracture0ZBTB20 CL E G H2613713503OMIM:259050Primrose syndrome.17


Genes (98) :ACTA1 ALG14 ALG2 ANKLE2 ATP6V1E1 BAG3 BICD2 C19ORF12 CFL2 CHRNB1 CHRNG CNTNAP1 COL12A1 COL25A1 COL6A1 COL6A2 COL6A3 CPT2 DDR2 DHX16 DMD DPAGT1 DPM1 EMD ERCC1 ERCC6 ERGIC1 ERLIN1 ERLIN2 ESCO2 FBN1 FBN2 FDFT1 FKBP10 FLNA GFPT1 GJB2 GJB6 GLI3 GMPPB GNB2 GNPTAB HACD1 HS2ST1 ITGA7 JAG2 KAT6B KY LBR LGI4 LIFR LMBRD2 LMX1B MAP3K20 MEGF8 MYH3 MYL1 MYL11 MYL2 MYO9A NALCN NT5C2 PI4KA PIEZO2 PIGA PIGY PIK3R2 PLOD2 PSAT1 PSTPIP1 PTDSS1 PTH1R RNU4ATAC RPL10 RTTN SCARF2 SCYL2 SDHA SDHAF1 SDHB SDHD SELENON SIK3 SLC18A3 SLC25A46 SLC39A8 SNAP25 SRD5A3 SVIL SYT2 TELO2 TPM2 TPM3 TRIM2 TRPV4 UBA1 UNC80 ZBTB20

Diseases (90) :ORPHA:2020 ORPHA:353327 OMIM:616681 OMIM:617402 OMIM:612954 OMIM:615290 ORPHA:320370 OMIM:615043 OMIM:610687 OMIM:616313 OMIM:265000 OMIM:616286 ORPHA:75840 ORPHA:536516 ORPHA:1143 OMIM:608836 OMIM:271665 OMIM:618733 OMIM:310200 OMIM:608799 ORPHA:79322 OMIM:310300 OMIM:610758 OMIM:214150 ORPHA:401785 ORPHA:209951 ORPHA:280384 ORPHA:3103 OMIM:268300 OMIM:184900 OMIM:121050 OMIM:618156 OMIM:259450 OMIM:305620 OMIM:148210 ORPHA:477 ORPHA:93322 OMIM:619503 ORPHA:576 OMIM:619194 OMIM:619566 OMIM:606170 ORPHA:85201 ORPHA:496689 OMIM:618019 OMIM:617468 ORPHA:3206 OMIM:601559 OMIM:619694 ORPHA:2614 OMIM:614976 OMIM:193700 OMIM:178110 OMIM:618414 OMIM:619110 OMIM:618198 OMIM:616266 ORPHA:371364 ORPHA:320396 OMIM:619708 OMIM:616531 OMIM:619621 OMIM:114300 OMIM:300868 OMIM:616809 OMIM:603387 OMIM:609220 ORPHA:284417 OMIM:604416 OMIM:151050 OMIM:156400 OMIM:210710 ORPHA:435938 ORPHA:468631 OMIM:600920 ORPHA:3208 OMIM:618162 OMIM:617239 OMIM:619303 ORPHA:468699 OMIM:616330 OMIM:612713 OMIM:619040 OMIM:619461 ORPHA:488642 OMIM:108120 OMIM:615490 OMIM:600175 ORPHA:1145 OMIM:259050
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.