II. Signs: Joint hyperextension

  1. Thumb hyperextension onto Forearm
  2. Fingers hyperextend to be parallel to Forearm (Metacarpal hyperextension)
  3. Elbow hyperextension (<0 degrees)
  4. Knee hyperextension (<0 degrees)
  5. Ankle dorsiflexion >45 degrees (normally up to 20 degrees)
  6. Spine hyperextension
  7. Forward flexion with knees straight, palms on floor

IV. Complications

  1. Pes Planus
  2. Hip dysplasia
  3. Dislocated Patella

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Related Studies

Ontology: Hypermobility, Joint (C0086437)

Concepts Sign or Symptom (T184)
MSH D007593
SnomedCT 298181000, 298203008
English Hypermobilities, Joint, Joint Hypermobilities, Joint Hypermobility, Joint Laxities, Joint Laxity, Laxities, Joint, Laxity, Joint, Joint hypermobility, Range joint movement increase, joint hypermobility, hypermobility joint, hypermobility joints, joint laxity, Hypermobility of joints, Joints--Hypermobility, Hypermobility of joint, Range of joint movement increased, Joint laxity, Joint laxity (finding), Range of joint movement increased (finding), Hypermobility, Joint
Czech hypermobilita kloubní, Uvolnění kloubu
Portuguese Hipermobilidade Articular, Frouxidão da articulação, Frouxidão Articular
Spanish Hipermobilidad de la Articulación, Laxitud articular, amplitud de movimiento articular, aumentada (hallazgo), amplitud de movimiento articular, aumentada, laxitud articular (hallazgo), laxitud articular, Laxitud de la Articulación
French Laxité articulaire, Laxité de l'articulation
German Hypermobilität, Gelenk-, Gelenklaxitaet, Laxität, Band-
Dutch gewrichtsslapte, Hypermobiliteit, gewrichts-, Laxiteit, gewrichts-
Japanese 関節弛緩, カンセツシカン
Hungarian Ízület lazaság
Norwegian Løst ledd, Hypermobile ledd, Hypermobilt ledd, Løse ledd
Italian Ipermobilità articolare, Lassità articolare

Ontology: Hypermobility syndrome (C0152093)

Concepts Disease or Syndrome (T047)
ICD9 728.5
ICD10 M35.7
SnomedCT 156723005, 85551004
English Benign joint hypermobility, hypermobility syndrome, hypermobility syndrome (diagnosis), benign hypermobility joint, hypermobility syndromes, benign joint hypermobility, Hypermobility Syndrome, Benign joint hypermobility (finding), Hypermobility syndrome, Familial ligamentous laxity, Hypermobility syndrome (disorder), familial; ligamentous laxity, hypermobility; syndrome, syndrome; hypermobility
Italian Sindrome di iperlassità
Japanese 過剰可動性症候群, カジョウカドウセイショウコウグン
German Hypermobilitaets-Syndrom, Hypermobilitaetssyndrom
Czech Hypermobilní syndrom
Korean 과운동성 증후군
Hungarian Hypermobilitas-syndroma
Dutch familiaal; slappe banden, hypermobiliteit; syndroom, syndroom; hypermobiliteit, Hypermobiliteitssyndroom, hypermobiliteitssyndroom
Spanish síndrome de hipermovilidad (trastorno), síndrome de hipermovilidad, Síndrome de hipermovilidad
Portuguese Síndrome de hipermobilidade
French Hyperlaxité articulaire

Ontology: Extensible joints (C1844820)

Concepts Finding (T033)
English Extensible joints