In a 14-year-old adolescent with recurrent right shoulder subluxation and hypermobility (Beighton score ≥5) and otherwise normal exam, which diagnosis does she meet criteria for?

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Last updated: October 1, 2026 • View editorial policy

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Hypermobile Ehlers-Danlos Syndrome (hEDS) or Hypermobility Spectrum Disorder (HSD)

This 14-year-old meets criteria for a hypermobility spectrum disorder (HSD), specifically pediatric generalized HSD with musculoskeletal complications, based on her Beighton score ≥5 and recurrent joint subluxations. 1, 2

Diagnostic Reasoning

Beighton Score Assessment

This patient's examination findings yield a Beighton score of at least 5 points:

  • Bilateral elbow hyperextension >10° = 2 points
  • Bilateral knee hyperextension >10° = 2 points
  • Thumbs to forearms = 2 points
  • Palms flat on floor = 1 point

For adolescents from puberty to age 50, a score ≥5/9 defines generalized joint hypermobility (GJH), which is the first major criterion for hEDS/HSD 2. Some guidelines suggest ≥6/9 for prepubertal children, but at age 14, the ≥5 threshold applies 3.

Why HSD Rather Than hEDS?

hEDS diagnosis is reserved for biologically mature adolescents who meet all three 2017 international criteria 1, 3. The 2017 criteria require:

  1. Generalized joint hypermobility (✓ present - Beighton ≥5)
  2. Two or more additional features including:
    • Skin abnormalities (soft, velvety, mildly hyperextensible skin)
    • Recurrent joint dislocations/subluxations (✓ present - shoulder subluxations)
    • Chronic joint/limb pain
    • Family history
    • Other systemic features
  3. Exclusion of other connective tissue disorders and confirmation of absence of fragility

While this patient has GJH and recurrent subluxations (meeting 2 of the major criteria), the guidelines emphasize that many phenotypic features emerge over time in adolescence 1. Without documentation of skin changes, chronic pain patterns, or family history, and given her age, she fits best into the pediatric generalized HSD with musculoskeletal complications category 3.

Clinical Implications and Management

Immediate Shoulder Management

The recurrent right shoulder subluxations during throwing represent atraumatic microinstability with ligamentous laxity 4. In skeletally immature athletes with hypermobility:

  • First-line treatment is conservative: Complete rest from throwing until asymptomatic, followed by 1-3 months of rehabilitation focusing on rotator cuff and scapular stabilizer strengthening 4
  • Avoid premature return to throwing: Progressive throwing program only after achieving pain-free motion and strength 4
  • The shoulder instability is secondary impingement from rotator cuff weakness combined with ligamentous laxity, not primary structural pathology 4

Essential Workup

Based on the diagnostic framework for hypermobility disorders 1:

  1. Echocardiogram: Screen for aortic root dilation (occurs in 25-33% of hypermobile EDS patients). If normal, repeat every 2-3 years until adult height reached 1
  2. Dilated eye exam: Exclude Marfan syndrome 1
  3. Detailed family history: Document similar features in relatives 1
  4. Skin examination: Assess for soft/velvety texture, mild hyperextensibility, atrophic scars, striae 1

Long-term Monitoring

Watch for emerging comorbidities commonly associated with HSD/hEDS 1, 2:

  • Postural orthostatic tachycardia syndrome (POTS): Heart rate increase ≥40 bpm in adolescents within 10 minutes of standing, with orthostatic intolerance symptoms for ≥6 months 2
  • Gastrointestinal symptoms: Functional gastritis, IBS, reflux 1, 2
  • Chronic pain syndromes: Joint and limb pain 1
  • Bone density issues: Consider calcium/vitamin D supplementation and low-impact weight-bearing exercise 1

Critical Pitfalls to Avoid

Do not diagnose hEDS prematurely in a 14-year-old without full phenotypic expression and biological maturity 3. The pediatric diagnostic framework exists specifically because children and young adolescents cannot reliably meet adult criteria.

Do not allow continued throwing without proper rehabilitation. Adolescent throwers with ligamentous laxity and weak rotator cuffs are at high risk for progressive shoulder damage if they continue overhead activities 4.

Do not skip cardiovascular screening. Aortic root dilation can occur even in hypermobility-type presentations and requires monitoring 1.

Do not assume all joint pain relates to hypermobility. Pain often extends beyond hypermobile joints in this population, requiring comprehensive pain assessment 5.

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