Key pinch force in children

Luc De Smet1, Arne Decramer

  • 1Department of Orthopaedic Surgery, University Hospital Pellenberg, Lubbeek (Pellenberg), Belgium. luc.desmet@uz.kuleuven.ac.be

Insights

Child key pinch strength increases with age, according to a study of 262 children aged 5-12. Grip strength did not significantly differ between sexes or hands.

Area of Science:

  • Pediatrics
  • Human Physiology
  • Developmental Biology

Background:

  • Hand strength is crucial for daily activities.
  • Understanding normative grip strength in children is important for development assessment.

Purpose of the Study:

  • To establish normative key pinch force values in healthy children.
  • To investigate the relationship between age and key pinch strength.
  • To explore differences in grip strength between sexes and hands.

Main Methods:

  • Key pinch force was measured in 262 healthy children aged 5 to 12 years.
  • Data was collected on age, sex, and dominant/non-dominant hand grip strength.
  • Statistical analysis was performed to identify correlations and significant differences.

Main Results:

  • A significant positive correlation was found between age and key pinch strength.
  • No significant differences in key pinch strength were observed between the left and right hands.
  • No significant differences in key pinch strength were found between boys and girls.

Conclusions:

  • Key pinch strength in children develops significantly with age.
  • Sex and hand dominance do not appear to be significant factors in key pinch strength in this age group.
  • These findings provide valuable reference data for pediatricians and researchers.