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Retrospective study finds high prevalence of joint hypermobility in children with functional neurological disorder, suggesting its role as a risk factor.
Regardless of the Beighton cutoff used, GJH prevalence remained high, with at least 1 in 4 participants presenting GJH even at the strictest threshold (≥6). GJH was associated with increased CSSI-24 and motor involvement. These findings suggest that GJH may represent a somatic vulnerability factor within the biopsychosocial model of FND. Routine assessment could help identify meaningful subgroups and guide individualized treatment.
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Landa et al. (2026) studied this question.
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