HDFS221 Chapter Notes - Chapter all: Developmental Coordination Disorder, Percentile, Cognitive Development
11 Oct 2018
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Rate of growth slows in ec >body proportions change and become similar to adults: exception between infancy and adolescence: growth bump (age 5=g, age 6=b) Variability in timing >signi cant delays can result from a developmental coordination de cit. 2-5 years >avg. growth of 2-2 & 1/2 in/ gains 4 to 5 lbs each year (birth length doubles by fourth year) Percentile: measure of the % of population represented by a certain # Some racial/ethnic groups larger/smaller then the us. avg. for growth > must be taken into account to interpret extremes (extremes may cause concern) Watch children"s rankings over time (large percentile change could be worrisome) Bmi: measure of body fat calculated as ratio of weight to height. Overweight: being at/above 85th percentile of bmi & lower than the 95th of bmi (comparing children of same age/sex0. During ec, proportions change > trunk and limbs catch up with the head (cephalocaudal: head >downward development)
