Characterisation of balance capacity in Prader-Willi patients

Paolo Capodaglio, Francesco Menegoni, Luca Vismara, Veronica Cimolin, Graziano Grugni, Manuela Galli

Research output: Contribution to journalArticlepeer-review

Abstract

Being severely overweight is a distinctive clinical feature of Prader-Willi Syndrome (PWS). This explorative study aims to characterise balance capacity in PWS as compared to non-genetically obese patients (O) and to a group of normal-weight individuals (CG).We enrolled 14 PWS patients: 8 females and 6 males (BMI=41.3±7.3kg/m2, age=32.86+4.42 years), 44 obese individuals, 22 males and 22 females (BMI=40.6±4.6kg/m2, age=34.2±10.7 years) and 20 controls (CG: 10 females and 10 males; BMI: 21.6±1.6kg/m2; age: 30.5±5.3 years). Postural acquisitions were conducted by means of a force platform from which the COP pattern vs time was analysed. The participants were required to stand barefoot on the platform with eyes open and heels at standardized distance and position for 60s.All of the analysed parameters were statistically different from O and CG groups. PWS individuals showed greater displacements in both the A/P and M/L direction (RMS, RANGE and MV indices). Analysis of the overall planar movement of the CoP showed that the PWS patients were characterised by higher RMS distance from the centre (RMSCoP index) and area of confidence ellipse (AREACoP index) when compared both to obese and healthy individuals.PWS patients showed a poorer balance capacity than their non-genetically obese counterparts and healthy individuals, with greater differences in both the A/P and M/L direction than O. Rehabilitation programs for PWS should take this finding into account. In addition to weight loss, strengthening of ankle flexors/extensors, and balance training, tailored interventions aimed at improving A/P control should be given particular consideration.

Original languageEnglish
Pages (from-to)81-86
Number of pages6
JournalResearch in Developmental Disabilities
Volume32
Issue number1
DOIs
Publication statusPublished - Jan 2011

Keywords

  • Posture
  • Prader-Willi Syndrome
  • Rehabilitation

ASJC Scopus subject areas

  • Clinical Psychology
  • Developmental and Educational Psychology

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