Upper and lower limb functionality: are these compromised in obese children?

Diane L Riddiford-Harland1, Julie R Steele, Louise A Baur

  • 1Department of Biomedical Science, Biomechanics Research Laboratory, University of Wollongong, NSW 2522, Australia. dianer@uow.edu.au

Insights

Obese children show stronger upper body strength but impaired lower body power and chair rising ability. Their increased body mass hinders movement against gravity, impacting daily functional tasks.

Area of Science:

  • Pediatric obesity research
  • Biomechanics and functional strength assessment
  • Childhood physical development

Background:

  • Childhood obesity is a growing public health concern.
  • Obesity can significantly impact a child's physical capabilities and functional performance.
  • Understanding the specific effects on limb strength and power is crucial for targeted interventions.

Purpose of the Study:

  • To investigate the impact of obesity on upper and lower limb functional strength and power in children.
  • To assess if obese children have compromised ability in performing daily activities like rising from a chair.
  • To compare functional capabilities between obese and non-obese children.

Main Methods:

  • Assessed upper and lower limb strength and power in 43 obese and 43 non-obese children (aged 8.4 years) using field-based tests.
  • Included arm push/pull, basketball throw, vertical jump (VJ), and standing long jump (SLJ).
  • Quantified chair rising ability in a subset of 13 obese and 13 non-obese children.

Main Results:

  • Obese children exhibited significantly greater upper limb push and pull strength compared to non-obese peers.
  • However, obese children showed significantly impaired vertical jump and standing long jump performance.
  • Obese children took significantly longer to complete the chair rising task, indicating reduced functional lower limb strength.

Conclusions:

  • Young obese children experience impeded lower limb functionality.
  • Increased body mass in obese children negatively affects their ability to move against gravity.
  • Obesity compromises essential functional movements crucial for daily activities.
Abstract

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