The spectrum: joint hypermobility (often harmless) → HSD (pain, instability) → hEDS (multisystem connective tissue condition).
Common signs: W-sitting as toddler, frequent sprains/dislocations, pain in evenings, fatigue out of proportion, poor handwriting, anxiety, IBS, dizziness (POTS).
→ paediatrician → community physio / paediatric rheumatologist. Resources: Ehlers-Danlos Society, HMSA.