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Several studies state that there might be a difference in the physical development and the motor performance of the mentally non-handicapped children and those with intellectual and development disabilities. The aim of our research was to compare the two groups from these aspects. The study included the assessment of the physical development and motor performance of altogether 225 primary school pupils (mentally non-handicapped and with intellectual and development disabilities) aged 8-11. The following indicators of physical development and build were examined: body height, body weight and body mass index (BMI), musculoskeletal plasticity index, biceps and triceps skinfold thickness. The motor tests included: 20 m dash, standing long jump, medicine-ball throwing, six minutes continuous running, obstacle race-test and a match test. We also examined the children's chronological (decimal) and morphological age. Data were analysed with SPSS programme. The differences between the averages were calculated with ANOVA and Fisher's LSD tests. The results show that the children with intellectual and development disabilities are in general less developed physically than non-handicapped children of the same age and sex. It is also concluded that in most motor tests the children with intellectual and development disabilities fall behind the non-handicapped ones.

acta physiologica hungarica

A comparative study of the physical development and motor performance of mentally non-handicapped children and children with intellectual and development disabilities