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PubMed1995

Comparison of body weight, body height and body fatness of Italian children aged 6-12 years with American standards.

World Health Organization has suggested that American standards may be adopted for use in countries where no local reference data are available. Since no locally accepted growth standard is available in Italy, this study investigated if American growth curves for weight, height and triceps skinfold (TSF) provide reliable values for Italian children. Weight, height and TSF were measured in 1273 Italian children (boys: 656, girls: 617) ranging in age from 6 to 12 years and their percentiles were compared with that provided by NCHS for American children. Despite some minor differences, it is shown that American standards can be used safely in Italian children aged from 6 to 12 years.

Anthropometry↗
PubMed1990

The relationship between changing body height and growth related changes in maximal aerobic power.

In order to analyse the relationship between maximal aerobic power (VO2max) and height, body mass and lean body mass a multi-longitudinal survey was conducted on three different age groups of randomly selected children from a small Czech community. Beginning at the initial ages of 8, 12 and 16 years subjects were subsequently retested three times at 2-year intervals. At overlapping ages there were no differences in the various age groups between height and VO2max. By utilizing mean values for the various parameters at specific calendar ages a growth curve was constructed for each sex for the age range 8-20 years. The values were compared with longitudinal studies in various countries and no substantial differences were found. When VO2max was then compared to height, body mass and lean body mass it was apparent that the almost linear relationship with height was the most precise. In addition the children remained, generally speaking, in their same rank order for VO2max for the three different age groupings.

Adolescent↗
PubMed2003

Determinants of variation in adult body height.

Final body height is achieved as the result of a combination of genetic and environmental factors. The aim of this article is to review past studies on body height that have followed different scientific traditions. In modern Western societies, about 20% of variation in body height is due to environmental variation. In poorer environments, this proportion is probably larger, with lower heritability of body height as well as larger socioeconomic body height differences. The role of childhood environment is seen in the increase in body height during the 20th century simultaneously with the increase in the standard of living. The most important non-genetic factors affecting growth and adult body height are nutrition and diseases. Short stature is associated with poorer education and lower social position in adulthood. This is mainly due to family background, but other environmental factors in childhood also contribute to this association. Body height is a good indicator of childhood living conditions, not only in developing countries but also in modern Western societies. Future studies combining different scientific traditions in auxology are needed to create a more holistic view of body height.

Adolescent↗
PubMedDate not supplied

[Reduction of body height in tall girls by estrogen treatment].

Twenty-six girls with constitutional tall stature were treated with 0.5 mg ethinyloestradiol daily po and 10 mg norethisteronacetate from day 21 to 25 of the cycle for 1.4 +/- 0.4 years. Height, weight, bone age according to Greulich-Pyle (GP) and Tanner (RUS), height predictions according to Bayley Pinneau (BP) and Tanner Whitehouse (TW) were recorded at the onset of therapy, at the end of treatment and 7.4 years later. The mean chronological age at start of treatment was 12.6 +/- 1.1 years, bone age (GP) 12.4 +/- 0.7 years, (RUS) 13.5 +/- 0.7 years. The initial height prediction according to BP was 186.2 +/- 4.1 cm, which was 3.5 cm higher than the prognosis according to Tanner Whitehouse. Depending on the method used for height prediction, the height reduction by treatment was 4.6 +/- 3.0 cm (BP) or 1.4 +/- 2.2 cm (TW), respectively. The reduction of predicted height was more pronounced in girls with a bone age (GP) < 12.5 years at the initiation of therapy (n = 13), than in girls with a bone age > or = 12.5 years (n = 13). Final height was measured 7.4 years after the end of treatment. Chronological age: 21.3 +/- 3.7 years, final height 181.8 +/- 3.7 cm. Mean final height after therapy was 7.7 cm above target height, or, after allowance for the secular trend, 3.8 cm above target height. Body weight, recorded in centiles of body mass index, increased from the 38.5 +/- 26 to the 58.1 +/- 22 centile, weight gain was more pronounced in younger girls. At follow up investigation 18/19 girls, who answered a questionnaire, had a positive view of the previous treatment.

Adolescent↗
PubMed2004

A polymorphic CA repeat in the IGF-I gene is associated with gender-specific differences in body height, but has no effect on the secular trend in body height.

OBJECTIVE: A polymorphism near the promoter region of the IGF-I gene has been associated with serum IGF-I levels, age-related decline of serum IGF-I levels, body height, birth weight and intima media thickness in hypertensive subjects. DESIGN AND METHODS: We investigated the association between the length of the IGF-I alleles of this promoter polymorphism and IGF-I levels and body height. Furthermore, we investigated the potential influence of this polymorphism on final height in relationship to the secular trend of individuals born between 1917 and 1945. All subjects were participants of the Rotterdam Study. RESULTS: We observed, in analyses including only homozygous carriers, the highest IGF-I levels in homozygous carriers of the 192-bp allele (18.7 nmol/l +/- 0.6) and homozygous carriers of the 194-bp allele (17.7 nmol/l +/- 1.4). IGF-I levels were significantly lower in individuals with homozygous longer alleles [> 194-bp (12.0 nmol/l +/- 1.2; P < 0.001)] and homozygous shorter alleles [< 192-bp (15.6 nmol/l +/- 1.4; P < 0.05)] compared to homozygous carriers of the 192-bp and the 194-bp allele. In males and females separately, an optimum for serum IGF-I was also observed in homozygous carriers of the 192-bp and 194-bp allele. Only in males, homozygous carriers of the 192-bp allele were significantly taller than homozygous carriers of the shorter alleles (174.9 cm +/- 0.2 vs. 171.5 cm +/- 1.4; P = 0.01). When all subjects genotyped for the IGF-I promoter polymorphism were included in the analysis, a clear optimum for IGF-I levels and body height was observed in carriers of the 192-bp and/or 194-bp allele in the total population. Between 1917 and 1945, a secular trend in body height was observed in our Dutch population. Mean final body height was significantly higher in carriers of the most frequent alleles (192-bp and/or the 194-bp), than carriers of the remaining shorter and longer genotypes (P-trend < 0.01). CONCLUSIONS: In conclusion, we observed an optimum in IGF-I levels and final body height for the 192-bp and 194-bp allele of the IGF-I gene. A gender-specific effect of the IGF-I alleles on body height was observed. The secular trend in body height observed in our elderly Dutch population was similar for the different genotypes; carriers of the 192-bp and/or the 194-bp allele remained significantly taller throughout time.

Adenosine↗
PubMed1986

[History of methods for estimating body height by skeletal findings. Recommendations for estimating body height by skeletal findings up to the middle of the 20th century].

Up to now no historical review concerning the methods to estimate body height from skeletons has been given. As well no collection of the formulae relevant to this subject, which would save laborious search in the wide-scattered literature, is available hitherto. This study tries to fill this gap. The anthropological and statistical treatment of the populations under study will not be discussed in this connection, because this has to be left to a separate study.

Anthropology, Physical↗
PubMed1991

[A study of the relationship of total urinary hydroxyproline: creatinine ratio to body height].

The body heights of 226 pupils (8-12 year old) in primary schools were measured and it was found that, the height increase was greater in spring and summer than in autumn and winter. But there was no such difference among girls of 11 & 12 yrs old. Urines were collected from them in Oct. Nov. Dec. 1983 and Mar. Apr. May. 1984 and her urinary total hydroxyproline (THP) : Creatinine (Cr) Ratios (THP/Cr) were determined and found that the Mar-May ratio was higher than the Oct-Dec ratio, which was consistent with that of height of the coefficients of correlation between THP/Cr and increase of height 2/3 from boys of 10-12 years old, and 1/2 of the coefficients of correlation from a group of 8-9 years old girls were significant. 32 correlations from girls of 10-12 yrs of age were significant or highly significant (P less than 0.01 or less than 0.05) of 12 months or 20 months with the THP/Cr. THP/Cr is therefore a sensitive index of recent height growth (1-2 yrs) during the adolescent period.

Body Height↗
PubMed1986

[Specific selection of recommendations for estimating body height from skeletal findings, comparability of estimated results and general problems in estimating body height during life].

Problems in estimating stature from skeletal remains are not enough analysed in anthropology. Certainly, a great number of statements exists but the problems of recommendability and comparability of these statements must studied more complete. Reasons for these ommisions must be searched in the neglect of the fact that physical constitutions differed in historical and geographical respects. Therefore in this paper, some basic problems in estimating stature are represented, some aids for better comparability and recommendability are given.

Anthropology, Physical↗
PubMed2001

Social conditioning of body height and mass in children and adolescents, as well as in adult inhabitants of the Konin Province, Poland.

This paper presents the socio-economic conditioning of somatic features in children and adolescents, as well as in adults, both men and women. The material used in the analysis was collected in 1990 in the Konin voivodeship (Poland). It comprises 1587-1608 boys and 2191-2213 girls at the age of 7-18 years. The adults consist of two groups: 1. aged 25-39 (3096 men and 4628 women), 2. aged 40-59 (4210 men and 3061 women). The metrical data comprise body height, body mass and BMI. Environmental (size of the district of residence) and social data (level of education and professional data of the parents) were taken into account. Multidimensional statistical analysis (step-wise) was applied to explain the variability of the somatic features under study in relation to the socio-environmental factors. It could be shown that the socio-environmental differentiation of the somatic features manifests itself in a different manner depending on the kind of feature, on the gender and on the age. In comparison with the girls the boys show a greater ecosensitivity of body height and mass and a lesser ecosensitivity concerning the BMI. Among all the factors describing "the quality of living conditions" the classically used indirect factors have a fundamental influence on the development of body height, body mass and BMI of boys, as well as on the body height of girls (e.g. parents' addiction to nicotine, physical effort). The social differentiation manifests itself most clearly in adult women's body mass and BMI and in men's body height. The level of education is a factor of relatively highest importance. It differentiates somatic features of men and women independently of their age (exceptions: body mass of younger women, BMI of older men). The occupational stratification differentiates women's somatic features (with the exception of the BMI of the older women) and body height of the younger men. The size of the district differentiates somatic features in younger women and men, apart from body height in men, and conditionally (Ha: one-sided) BMI in older women.

Adolescent↗