Human Phenotype Ontology 
Grandparent Node:
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Abnormality of the knee (HP:0002815)help
Parent Node:
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Hyperextensibility of the knee (HP:0010500)help
..Starting node
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Genu recurvatum (HP:0002816)help
Term ID: 2816
Name: Genu recurvatum
Synonym: Back knee; Genu recurvata; Knee hyperextension
Definition: An abnormally increased extension of the knee joint, so that the knee can bend backwards.
Comments:
Reference: HP:0002816
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandKnee joint hypermobility (HP:0045086) 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:0002816HP:0002816Genu recurvatum0ALDH18A1 CL E G H58329722ORPHA:90348Autosomal dominant cutis laxa89
HP:0002816HP:0002816Genu recurvatum0ANO5 CL E G H20385927337ORPHA:206549Anoctamin-5-related limb-girdle muscular dystrophy R12HP:0040282 - Frequent304
HP:0002816HP:0002816Genu recurvatum0AP4B1 CL E G H10717572ORPHA:280763Severe intellectual disability and progressive spastic paraplegiaHP:0040284 - Very rare49
HP:0002816HP:0002816Genu recurvatum0AP4B1 CL E G H10717572OMIM:614066Spastic paraplegia 47, autosomal recessiveHP:0040283 - Occasional49
HP:0002816HP:0002816Genu recurvatum0AP4E1 CL E G H23431573ORPHA:280763Severe intellectual disability and progressive spastic paraplegiaHP:0040284 - Very rare48
HP:0002816HP:0002816Genu recurvatum0AP4M1 CL E G H9179574ORPHA:280763Severe intellectual disability and progressive spastic paraplegiaHP:0040284 - Very rare41
HP:0002816HP:0002816Genu recurvatum0AP4S1 CL E G H11154575ORPHA:280763Severe intellectual disability and progressive spastic paraplegiaHP:0040284 - Very rare18
HP:0002816HP:0002816Genu recurvatum0B4GALT7 CL E G H11285930OMIM:130070Ehlers-Danlos syndrome, spondylodysplastic type, 1HP:0040283 - Occasional29
HP:0002816HP:0002816Genu recurvatum0CANT1 CL E G H12458319721ORPHA:1425Desbuquois syndromeHP:0040282 - Frequent85
HP:0002816HP:0002816Genu recurvatum0CDT1 CL E G H8162024576OMIM:613804Meier-Gorlin syndrome 4.50
HP:0002816HP:0002816Genu recurvatum0CFL2 CL E G H10731875OMIM:610687Nemaline myopathy 735
HP:0002816HP:0002816Genu recurvatum0CHST3 CL E G H94691971OMIM:143095Spondyloepiphyseal dysplasia with congenital joint dislocations165
HP:0002816HP:0002816Genu recurvatum0COL1A2 CL E G H12782198ORPHA:230851Cardiac-valvular Ehlers-Danlos syndromeHP:0040282 - Frequent243
HP:0002816HP:0002816Genu recurvatum0COL1A2 CL E G H12782198OMIM:225320Ehlers-Danlos syndrome, autosomal recessive, cardiac valvular form.243
HP:0002816HP:0002816Genu recurvatum0COMP CL E G H13112227OMIM:177170Pseudoachondroplasia89
HP:0002816HP:0002816Genu recurvatum0CSGALNACT1 CL E G H5579024290ORPHA:1425Desbuquois syndromeHP:0040282 - Frequent
HP:0002816HP:0002816Genu recurvatum0CTDP1 CL E G H91502498OMIM:604168Congenital cataracts, facial dysmorphism, and neuropathy.17
HP:0002816HP:0002816Genu recurvatum0ELN CL E G H20063327ORPHA:90348Autosomal dominant cutis laxa172
HP:0002816HP:0002816Genu recurvatum0FBLN5 CL E G H105163602ORPHA:90348Autosomal dominant cutis laxa63
HP:0002816HP:0002816Genu recurvatum0FBN1 CL E G H22003603OMIM:154700Marfan syndrome.1361
HP:0002816HP:0002816Genu recurvatum0FGD1 CL E G H22453663ORPHA:915Aarskog-Scott syndromeHP:0040283 - Occasional62
HP:0002816HP:0002816Genu recurvatum0GRIA3 CL E G H28924573ORPHA:364028X-linked intellectual disability due to GRIA3 mutationsHP:0040283 - Occasional30
HP:0002816HP:0002816Genu recurvatum0HRAS CL E G H32655173ORPHA:2612Linear nevus sebaceus syndromeHP:0040281 - Very frequent113
HP:0002816HP:0002816Genu recurvatum0KRAS CL E G H38456407ORPHA:2612Linear nevus sebaceus syndromeHP:0040281 - Very frequent196
HP:0002816HP:0002816Genu recurvatum0MAN2C1 CL E G H41236827OMIM:619775CONGENITAL DISORDER OF DEGLYCOSYLATION 2; CDDG2
HP:0002816HP:0002816Genu recurvatum0MCOLN1 CL E G H5719213356ORPHA:578Mucolipidosis type IVHP:0040283 - Occasional78
HP:0002816HP:0002816Genu recurvatum0NRAS CL E G H48937989ORPHA:2612Linear nevus sebaceus syndromeHP:0040281 - Very frequent102
HP:0002816HP:0002816Genu recurvatum0ORC1 CL E G H49988487OMIM:224690Meier-Gorlin syndrome 153
HP:0002816HP:0002816Genu recurvatum0PRR12 CL E G H5747929217OMIM:619539NEUROOCULAR SYNDROME; NOC1
HP:0002816HP:0002816Genu recurvatum0PTEN CL E G H57289588ORPHA:2969Proteus-like syndromeHP:0040281 - Very frequent948
HP:0002816HP:0002816Genu recurvatum0SH3PXD2B CL E G H28559029242ORPHA:137834Frank-Ter Haar syndromeHP:0040282 - Frequent134
HP:0002816HP:0002816Genu recurvatum0SKI CL E G H649710896OMIM:182212Shprintzen-Goldberg craniosynostosis syndrome.150
HP:0002816HP:0002816Genu recurvatum0SLC6A9 CL E G H653611056OMIM:617301Glycine encephalopathy with normal serum glycine4
HP:0002816HP:0002816Genu recurvatum0TRIP11 CL E G H932112305OMIM:184260Osteochondrodysplasia.133
HP:0002816HP:0002816Genu recurvatum0WASF1 CL E G H893612732OMIM:618707NEURODEVELOPMENTAL DISORDER WITH ABSENT LANGUAGE AND VARIABLE SEIZURES; NEDALVS
HP:0002816HP:0002816Genu recurvatum0XYLT1 CL E G H6413115516ORPHA:1425Desbuquois syndromeHP:0040282 - Frequent14


Genes (34) :ALDH18A1 ANO5 AP4B1 AP4E1 AP4M1 AP4S1 B4GALT7 CANT1 CDT1 CFL2 CHST3 COL1A2 COMP CSGALNACT1 CTDP1 ELN FBLN5 FBN1 FGD1 GRIA3 HRAS KRAS MAN2C1 MCOLN1 NRAS ORC1 PRR12 PTEN SH3PXD2B SKI SLC6A9 TRIP11 WASF1 XYLT1

Diseases (27) :ORPHA:90348 ORPHA:206549 ORPHA:280763 OMIM:614066 OMIM:130070 ORPHA:1425 OMIM:613804 OMIM:610687 OMIM:143095 ORPHA:230851 OMIM:225320 OMIM:177170 OMIM:604168 OMIM:154700 ORPHA:915 ORPHA:364028 ORPHA:2612 OMIM:619775 ORPHA:578 OMIM:224690 OMIM:619539 ORPHA:2969 ORPHA:137834 OMIM:182212 OMIM:617301 OMIM:184260 OMIM:618707
 

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