Journal of pediatric orthopaedics. Part B / European Paediatric Orthopaedic Society, Pediatric Orthopaedic Society of North America vol:15 issue:6 pages:426-7
The key pinch force in a group of 262 healthy children between 5 and 12 years was measured. A clear correlation was observed between age and key pinch strength. The differences between the left and right hand grips and between girls and boys were not significant.