Human Phenotype Ontology 
Grandparent Node:
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Abnormal muscle tone (HP:0003808)help
Parent Node:
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Hypotonia (HP:0001252)help
..Starting node
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Severe muscular hypotonia (HP:0006829)help
Term ID: 6829
Name: Severe muscular hypotonia
Synonym: Hypotonia, severe; Severely decreased muscle tone
Definition: A severe degree of muscular hypotonia characterized by markedly reduced muscle tone.
Comments:
Reference: HP:0006829
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandAppendicular hypotonia (HP:0012389) help
..expandAxial hypotonia (HP:0008936) help
..expandFacial hypotonia (HP:0000297) help
..expandFrog-leg posture (HP:0031139) help
..expandGeneralized hypotonia (HP:0001290) help
..expandInfantile muscular hypotonia (HP:0008947) help
..expandNeonatal hypotonia (HP:0001319) help
..expandOral motor hypotonia (HP:0030190) 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:0006829HP:0006829Severe muscular hypotonia0ABAT CL E G H1823OMIM:613163GABA-transaminase deficiency.120
HP:0006829HP:0006829Severe muscular hypotonia0ACTA1 CL E G H58129ORPHA:171433Intermediate nemaline myopathyHP:0040281 - Very frequent96
HP:0006829HP:0006829Severe muscular hypotonia0ACTA1 CL E G H58129ORPHA:171430Severe congenital nemaline myopathyHP:0040282 - Frequent96
HP:0006829HP:0006829Severe muscular hypotonia0AIFM1 CL E G H91318768ORPHA:238329Severe X-linked mitochondrial encephalomyopathyHP:0040281 - Very frequent60
HP:0006829HP:0006829Severe muscular hypotonia0ALG14 CL E G H19985728287OMIM:619036MYOPATHY, EPILEPSY, AND PROGRESSIVE CEREBRAL ATROPHY; MEPCA12
HP:0006829HP:0006829Severe muscular hypotonia0ASCC1 CL E G H5100824268OMIM:616867Spinal muscular atrophy with congenital bone fractures 22
HP:0006829HP:0006829Severe muscular hypotonia0B3GALNT2 CL E G H14878928596OMIM:615181MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (CONGENITAL WITH BRAIN AND EYE ANOMALIES), TYPE A, 11.43
HP:0006829HP:0006829Severe muscular hypotonia0B4GAT1 CL E G H1104115685OMIM:615287MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (CONGENITAL WITH BRAIN AND EYE ANOMALIES), TYPE A, 13.17
HP:0006829HP:0006829Severe muscular hypotonia0BICD2 CL E G H2329917208OMIM:618291Spinal muscular atrophy, lower extremity-predominant, 2B, autosomal dominant.46
HP:0006829HP:0006829Severe muscular hypotonia0BMP4 CL E G H6521071OMIM:607932Microphthalmia, syndromic 6.38
HP:0006829HP:0006829Severe muscular hypotonia0CARS2 CL E G H7958725695OMIM:616672Combined oxidative phosphorylation deficiency 27.35
HP:0006829HP:0006829Severe muscular hypotonia0CCDC174 CL E G H5124428033OMIM:616816Hypotonia, infantile, with psychomotor retardation1
HP:0006829HP:0006829Severe muscular hypotonia0CCDC88A CL E G H5570425523OMIM:617507Peho-Like syndrome.1
HP:0006829HP:0006829Severe muscular hypotonia0DMXL2 CL E G H233122938OMIM:618663DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 81; DEE813
HP:0006829HP:0006829Severe muscular hypotonia0DOLK CL E G H2284523406ORPHA:91131DK1-CDG55
HP:0006829HP:0006829Severe muscular hypotonia0DPM2 CL E G H88183006OMIM:615042Congenital disorder of glycosylation, type Iu.26
HP:0006829HP:0006829Severe muscular hypotonia0FKBP14 CL E G H5503318625ORPHA:300179Kyphoscoliotic Ehlers-Danlos syndrome due to FKBP22 deficiencyHP:0040281 - Very frequent13
HP:0006829HP:0006829Severe muscular hypotonia0FKRP CL E G H7914717997OMIM:236670Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A, 1.157
HP:0006829HP:0006829Severe muscular hypotonia0FKRP CL E G H7914717997OMIM:613153MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (CONGENITAL WITH BRAIN AND EYE ANOMALIES), TYPE A, 5.157
HP:0006829HP:0006829Severe muscular hypotonia0FKTN CL E G H22183622OMIM:236670Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A, 1.184
HP:0006829HP:0006829Severe muscular hypotonia0GCDH CL E G H26394189ORPHA:25Glutaryl-CoA dehydrogenase deficiencyHP:0040283 - Occasional115
HP:0006829HP:0006829Severe muscular hypotonia0GCH1 CL E G H26434193OMIM:233910Hyperphenylalaninemia, BH4-deficient, B.86
HP:0006829HP:0006829Severe muscular hypotonia0GPT2 CL E G H8470618062ORPHA:477673Postnatal microcephaly-infantile hypotonia-spastic diplegia-dysarthria-intellectual disability syndromeHP:0040282 - Frequent4
HP:0006829HP:0006829Severe muscular hypotonia0GRIN1 CL E G H29024584OMIM:614254Neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal dominant.108
HP:0006829HP:0006829Severe muscular hypotonia0IBA57 CL E G H20020527302OMIM:615330Multiple mitochondrial dysfunctions syndrome 3.16
HP:0006829HP:0006829Severe muscular hypotonia0ITPA CL E G H37046176OMIM:616647Epileptic encephalopathy, early infantile, 35.8
HP:0006829HP:0006829Severe muscular hypotonia0KIF1A CL E G H547888ORPHA:2836PEHO syndromeHP:0040281 - Very frequent276
HP:0006829HP:0006829Severe muscular hypotonia0KLHL40 CL E G H13137730372ORPHA:171430Severe congenital nemaline myopathyHP:0040282 - Frequent28
HP:0006829HP:0006829Severe muscular hypotonia0KLHL41 CL E G H1032416905ORPHA:171433Intermediate nemaline myopathyHP:0040281 - Very frequent13
HP:0006829HP:0006829Severe muscular hypotonia0KLHL41 CL E G H1032416905ORPHA:171430Severe congenital nemaline myopathyHP:0040282 - Frequent13
HP:0006829HP:0006829Severe muscular hypotonia0LARGE1 CL E G H92156511OMIM:236670Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A, 1.136
HP:0006829HP:0006829Severe muscular hypotonia0LARGE1 CL E G H92156511OMIM:613154MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (CONGENITAL WITH BRAIN AND EYEANOMALIES), TYPE A, 6.136
HP:0006829HP:0006829Severe muscular hypotonia0LMNA CL E G H40006636OMIM:613205Muscular dystrophy, congenital, lmna-related.645
HP:0006829HP:0006829Severe muscular hypotonia0LMOD3 CL E G H562036649OMIM:616165Nemaline myopathy 10.HP:0003623 - Neonatal onset11
HP:0006829HP:0006829Severe muscular hypotonia0LMOD3 CL E G H562036649ORPHA:171430Severe congenital nemaline myopathyHP:0040282 - Frequent11
HP:0006829HP:0006829Severe muscular hypotonia0MPLKIP CL E G H13664716002OMIM:234050Trichothiodystrophy 4, nonphotosensitiveHP:0040283 - Occasional9
HP:0006829HP:0006829Severe muscular hypotonia0MPZ CL E G H43597225OMIM:618184Neuropathy, congenital hypomyelinating, 2.134
HP:0006829HP:0006829Severe muscular hypotonia0MTM1 CL E G H45347448OMIM:310400Myopathy, centronuclear, X-linked.185
HP:0006829HP:0006829Severe muscular hypotonia0MTM1 CL E G H45347448ORPHA:596X-linked centronuclear myopathy185
HP:0006829HP:0006829Severe muscular hypotonia0MYMK CL E G H38982733778OMIM:254940Carey-Fineman-Ziter syndrome.5
HP:0006829HP:0006829Severe muscular hypotonia0NDUFS6 CL E G H47267713OMIM:618232Mitochondrial complex I deficiency, nuclear type 9.21
HP:0006829HP:0006829Severe muscular hypotonia0NEB CL E G H47037720ORPHA:171433Intermediate nemaline myopathyHP:0040281 - Very frequent745
HP:0006829HP:0006829Severe muscular hypotonia0NEB CL E G H47037720ORPHA:171430Severe congenital nemaline myopathyHP:0040282 - Frequent745
HP:0006829HP:0006829Severe muscular hypotonia0PEX1 CL E G H51898850ORPHA:912Zellweger syndromeHP:0040281 - Very frequent169
HP:0006829HP:0006829Severe muscular hypotonia0PEX10 CL E G H51928851ORPHA:912Zellweger syndromeHP:0040281 - Very frequent75
HP:0006829HP:0006829Severe muscular hypotonia0PEX11B CL E G H87998853ORPHA:912Zellweger syndromeHP:0040281 - Very frequent4
HP:0006829HP:0006829Severe muscular hypotonia0PEX12 CL E G H51938854ORPHA:912Zellweger syndromeHP:0040281 - Very frequent65
HP:0006829HP:0006829Severe muscular hypotonia0PEX13 CL E G H51948855OMIM:614883Peroxisome biogenesis disorder 11A (Zellweger).66
HP:0006829HP:0006829Severe muscular hypotonia0PEX13 CL E G H51948855ORPHA:912Zellweger syndromeHP:0040281 - Very frequent66
HP:0006829HP:0006829Severe muscular hypotonia0PEX14 CL E G H51958856ORPHA:912Zellweger syndromeHP:0040281 - Very frequent46
HP:0006829HP:0006829Severe muscular hypotonia0PEX16 CL E G H94098857ORPHA:912Zellweger syndromeHP:0040281 - Very frequent59
HP:0006829HP:0006829Severe muscular hypotonia0PEX19 CL E G H58249713ORPHA:912Zellweger syndromeHP:0040281 - Very frequent62
HP:0006829HP:0006829Severe muscular hypotonia0PEX2 CL E G H58289717ORPHA:912Zellweger syndromeHP:0040281 - Very frequent82
HP:0006829HP:0006829Severe muscular hypotonia0PEX26 CL E G H5567022965OMIM:614872Peroxisome biogenesis disorder 7A (zellweger).106
HP:0006829HP:0006829Severe muscular hypotonia0PEX26 CL E G H5567022965ORPHA:912Zellweger syndromeHP:0040281 - Very frequent106
HP:0006829HP:0006829Severe muscular hypotonia0PEX3 CL E G H85048858ORPHA:912Zellweger syndromeHP:0040281 - Very frequent47
HP:0006829HP:0006829Severe muscular hypotonia0PEX5 CL E G H58309719ORPHA:912Zellweger syndromeHP:0040281 - Very frequent99
HP:0006829HP:0006829Severe muscular hypotonia0PEX6 CL E G H51908859ORPHA:912Zellweger syndromeHP:0040281 - Very frequent98
HP:0006829HP:0006829Severe muscular hypotonia0PIGG CL E G H5487225985OMIM:616917Mental retardation, autosomal recessive 53.7
HP:0006829HP:0006829Severe muscular hypotonia0PIGN CL E G H235568967ORPHA:280633Multiple congenital anomalies-hypotonia-seizures syndromeHP:0040281 - Very frequent37
HP:0006829HP:0006829Severe muscular hypotonia0PNPT1 CL E G H8717823166OMIM:614932Combined oxidative phosphorylation deficiency 1360
HP:0006829HP:0006829Severe muscular hypotonia0POMGNT1 CL E G H5562419139OMIM:253280Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A, 3.180
HP:0006829HP:0006829Severe muscular hypotonia0POMT1 CL E G H105859202OMIM:236670Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A, 1.213
HP:0006829HP:0006829Severe muscular hypotonia0POMT2 CL E G H2995419743OMIM:236670Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A, 1.221
HP:0006829HP:0006829Severe muscular hypotonia0POMT2 CL E G H2995419743OMIM:613150Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A, 2.221
HP:0006829HP:0006829Severe muscular hypotonia0PURA CL E G H58139701ORPHA:438216PURA-related severe neonatal hypotonia-seizures-encephalopathy syndrome due to a point mutationHP:0040283 - Occasional53
HP:0006829HP:0006829Severe muscular hypotonia0PURA CL E G H58139701ORPHA:314655Severe neonatal hypotonia-seizures-encephalopathy syndrome due to 5q31.3 microdeletionHP:0040283 - Occasional53
HP:0006829HP:0006829Severe muscular hypotonia0RMND1 CL E G H5500521176OMIM:614922Combined oxidative phosphorylation deficiency 11.26
HP:0006829HP:0006829Severe muscular hypotonia0SLC25A1 CL E G H657610979OMIM:615182Combined d-2- and l-2-hydroxyglutaric aciduria.28
HP:0006829HP:0006829Severe muscular hypotonia0SLC25A12 CL E G H860410982OMIM:612949Epileptic encephalopathy, early infantile, 39.44
HP:0006829HP:0006829Severe muscular hypotonia0SLC39A8 CL E G H6411620862ORPHA:468699SLC39A8-CDGHP:0040281 - Very frequent11
HP:0006829HP:0006829Severe muscular hypotonia0SNRPN CL E G H663811164ORPHA:177907Prader-Willi syndrome due to translocationHP:0040282 - Frequent37
HP:0006829HP:0006829Severe muscular hypotonia0SPEG CL E G H1029016901OMIM:615959Myopathy, centronuclear, 5.HP:0003623 - Neonatal onset20
HP:0006829HP:0006829Severe muscular hypotonia0SPTBN4 CL E G H5773114896OMIM:617519Neurodevelopmental disorder with hypotonia, neuropathy, and deafness.3
HP:0006829HP:0006829Severe muscular hypotonia0STRADA CL E G H9233530172ORPHA:500533Polyhydramnios-megalencephaly-symptomatic epilepsy syndromeHP:0040283 - Occasional6
HP:0006829HP:0006829Severe muscular hypotonia0TBC1D24 CL E G H5746529203OMIM:615338Epileptic encephalopathy, early infantile, 16.271
HP:0006829HP:0006829Severe muscular hypotonia0TBCK CL E G H9362728261OMIM:616900Hypotonia, infantile, with psychomotor retardation and characteristic facies 313
HP:0006829HP:0006829Severe muscular hypotonia0TBCK CL E G H9362728261ORPHA:488632TBCK-related intellectual disability syndromeHP:0040281 - Very frequent13
HP:0006829HP:0006829Severe muscular hypotonia0TPM3 CL E G H717012012ORPHA:171433Intermediate nemaline myopathyHP:0040281 - Very frequent108
HP:0006829HP:0006829Severe muscular hypotonia0TRIP4 CL E G H932512310OMIM:617066Muscular dystrophy, congenital, Davignon-Chauveau type.4
HP:0006829HP:0006829Severe muscular hypotonia0TRIP4 CL E G H932512310OMIM:616866Spinal muscular atrophy with congenital bone fractures 14
HP:0006829HP:0006829Severe muscular hypotonia0UBA1 CL E G H731712469OMIM:301830Spinal muscular atrophy, X-linked 2.35
HP:0006829HP:0006829Severe muscular hypotonia0VAMP1 CL E G H684312642OMIM:618323Myasthenic syndrome, congenital, 25, presynaptic.2
HP:0006829HP:0006829Severe muscular hypotonia0ZNHIT3 CL E G H932612309ORPHA:2836PEHO syndromeHP:0040281 - Very frequent1
HP:0006829HP:0006829Severe muscular hypotonia0ZNHIT3 CL E G H932612309OMIM:260565Peho syndrome1


Genes (71) :ABAT ACTA1 AIFM1 ALG14 ASCC1 B3GALNT2 B4GAT1 BICD2 BMP4 CARS2 CCDC174 CCDC88A DMXL2 DOLK DPM2 FKBP14 FKRP FKTN GCDH GCH1 GPT2 GRIN1 IBA57 ITPA KIF1A KLHL40 KLHL41 LARGE1 LMNA LMOD3 MPLKIP MPZ MTM1 MYMK NDUFS6 NEB PEX1 PEX10 PEX11B PEX12 PEX13 PEX14 PEX16 PEX19 PEX2 PEX26 PEX3 PEX5 PEX6 PIGG PIGN PNPT1 POMGNT1 POMT1 POMT2 PURA RMND1 SLC25A1 SLC25A12 SLC39A8 SNRPN SPEG SPTBN4 STRADA TBC1D24 TBCK TPM3 TRIP4 UBA1 VAMP1 ZNHIT3

Diseases (61) :OMIM:613163 ORPHA:171433 ORPHA:171430 ORPHA:238329 OMIM:619036 OMIM:616867 OMIM:615181 OMIM:615287 OMIM:618291 OMIM:607932 OMIM:616672 OMIM:616816 OMIM:617507 OMIM:618663 ORPHA:91131 OMIM:615042 ORPHA:300179 OMIM:236670 OMIM:613153 ORPHA:25 OMIM:233910 ORPHA:477673 OMIM:614254 OMIM:615330 OMIM:616647 ORPHA:2836 OMIM:613154 OMIM:613205 OMIM:616165 OMIM:234050 OMIM:618184 OMIM:310400 ORPHA:596 OMIM:254940 OMIM:618232 ORPHA:912 OMIM:614883 OMIM:614872 OMIM:616917 ORPHA:280633 OMIM:614932 OMIM:253280 OMIM:613150 ORPHA:438216 ORPHA:314655 OMIM:614922 OMIM:615182 OMIM:612949 ORPHA:468699 ORPHA:177907 OMIM:615959 OMIM:617519 ORPHA:500533 OMIM:615338 OMIM:616900 ORPHA:488632 OMIM:617066 OMIM:616866 OMIM:301830 OMIM:618323 OMIM:260565
 

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