Does bioelectrical impedance analysis predict composition independently of anthropometry?
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Absorptiometry, Photon↗
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Rises in schoolchildren's anthropometry: what do they signify in developed and developing populations?
Recent reports indicate continuing rises in the height and weight of schoolchildren in both developed and developing populations. Also indicated are increases in the body mass index of children, and of adults, despite all public health warnings to the contrary, as well as personal desires of huge proportions of children, and of adults, to be slim. A little researched question concerns which level of schoolchildren's growth is consistent in later life with least occurrence of degenerative diseases. In developing populations, lack of knowledge prevails regarding the current and future health of the large proportions, and huge numbers, of schoolchildren who, judging from Western anthropometric standards, are categorized as suffering from mild to moderate malnutrition. It is questioned whether greater growth is essentially better. As to the future, in Western and in urban developing populations, attempts to control greater attainment of weight for height in schoolchildren, as well as adults, are unlikely to be rewarding, due to unpopularity of a 'prudent' diet on the one hand, and the still diminishing physical activity on the other. Notwithstanding, educational and other efforts to improve the composition of diets and encourage greater physical activity must be energetically pursued.
Adolescent↗
Results of soy-based meal replacement formula on weight, anthropometry, serum lipids & blood pressure during a 40-week clinical weight loss trial.
BACKGROUND: To evaluate the intermediate-term health outcomes associated with a soy-based meal replacement, and to compare the weight loss efficacy of two distinct patterns of caloric restriction. METHODS: Ninety overweight/obese (28 < BMI < or = 41 kg/m2) adults received a single session of dietary counseling and were randomized to either 12 weeks at 1200 kcal/day, 16 weeks at 1500 kcal/d and 12 weeks at 1800 kcal/d (i.e., the 12/15/18 diet group), or 28 weeks at 1500 kcal/d and 12 weeks at 1800 kcal/d (i.e., the 15/18 diet group). Weight, body fat, waist circumference, blood pressure and serum lipid concentrations were measured at 4-week intervals throughout the 40-week trial. RESULTS: Subjects in both treatments showed statistically significant improvements in outcomes. A regression model for weight change suggests that subjects with larger baseline weights tended to lose more weight and subjects in the 12/15/18 group tended to experience, on average, an additional 0.9 kg of weight loss compared with subjects in the 15/18 group. CONCLUSION: Both treatments using the soy-based meal replacement program were associated with significant and comparable weight loss and improvements on selected health variables.
Clinical Trial↗
Civil War anthropometry: the making of a racial ideology.
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Black or African American↗
Cross-calibration of Lunar DPX-IQ and DPX dual-energy x-ray densitometers for bone mineral measurements in women: effect of body anthropometry.
When dual-energy X-ray absorptiometry (DXA) instruments are replaced, it is essential to determine if systematic differences in measurements occur. As a part of the Kuopio Osteoporosis Risk Factor and Prevention study (N=14,220), a group of women, aged 36 to 69 yr underwent anteroposterior lumbar spine L2 to L4 (n=89) and proximal femur scans (n=88) by the Lunar DPX and DPX-IQ, respectively, during the same visit. A high linear association (r from 0.944 to 0.989, p<0.001) between the two scanners was established for lumbar spine and proximal femur bone mineral density (BMD). The average DPX values for BMD were 1.1% and 2.0% higher than those of DPX-IQ for the lumbar spine (p<0.001) and Ward's triangle (p=0.001), respectively. Femoral neck BMD values by the DPX were 1.4% lower (p<0.001) compared to DPX-IQ. The difference between trochanter BMD results (0.1%) was not significant (p=0.809). In the femoral neck and trochanter, but not in the lumbar spine or Ward's triangle, the differences in BMD values of the two machines were found to depend on body mass index. After linear formulas based on simple and multivariate linear regression analyses were calculated, the differences were negligible, enabling objective comparison of longitudinal measurements.
Absorptiometry, Photon↗
Preliminary evaluation of an electromagnetic three-dimensional digitizer in facial anthropometry.
OBJECTIVE: In this investigation, the precision of a commercial three-dimensional digitizer in the detection of facial landmarks in human adults was assessed. METHODS: Fifty landmarks were identified and marked on the faces of five men, on five women, and on a stone cast of the face of one man. For each subject, the three-dimensional coordinates of the landmarks were obtained twice using an electromagnetic three-dimensional digitizer, and the duplicate digitizations were superimposed using common orientations and centers of gravity. Metric differences between homologous landmarks were assessed, and Dahlberg's error was computed. RESULTS: For both men and women, the error was 1.05% of the nasion-midtragion distance, while for the cast, it was 0.9%. When the duplicate digitizations were used to mathematically reconstruct the faces, and several distances, angles, volumes, and surfaces were computed, more than 80% of the measurements had coefficients of variation lower than 1%. CONCLUSIONS: The digitizer can assess the coordinates of facial landmarks with sufficient precision, and reliable measurements can be obtained.
Adult↗
Anthropometry of soft-tissue orbits in Bulgarian newborns: norms for intercanthal and biocular widths and length of palpebral fissures in 100 boys and 100 girls.
OBJECTIVE: To establish early postnatal norms for the main measurements of the soft-tissue orbits for the Slavic Bulgarian population (9 million), we measured intercanthal (en-en) and biocular width (ex-ex) and length of the palpebral fissures (ex-en) in a representative sample of newborns less than six days old. METHOD: Eye measurements were taken with a sliding caliper from randomly chosen subjects by the senior author using standard anthropometric methods. Findings were compared to those published for other Caucasian ethnic groups of infants (Germans and two groups of North American Caucasians). RESULTS: The mean values of all three soft orbital measurements were greater in newborn Bulgarian boys than girls. Measurements of Bulgarian intercanthal width (en-en) were greater in both sexes but those of biocular width (ex-ex) and palpebral fissure length (ex-en) were less than those that have been reported for North American Caucasian infants. Bulgarian intercanthal and biocular measurements were wider than German babies in both sexes. Differences, although small, were statistically highly significant but greatly influenced by differing sample sizes and subject age among the four Caucasian populations. CONCLUSION: Anthropometric differences between ethnic groups of Caucasians already exist shortly after birth. Knowledge of the soft orbital data in early stages of the postnatal development in healthy populations is essential for determination in individuals of deviations from normal data. These Bulgarian norms can be helpful in anthropometric studies of the ethnically mixed Caucasian populations of North America.
Bulgaria↗
Craniofacial anthropometry in a Turkish population.
OBJECTIVE: To present norms and demonstrate the anthropometric variations in fronto-occipital circumference, inner and outer canthal distances, near and distant [far] anatomical interpupillary distance, canthal index, and circumference-interorbital index across age and sex in urban Turkish subjects. PARTICIPANTS: Three thousand four hundred forty-eight subjects (1852 male, 1596 female) aged 7 to 40 years were included in this study. METHODS: Three age groups were studied: children aged 7 to 15 years, young adults aged 16 to 25 years, and adults aged 26 to 40 years. Mean values for each measured parameter were determined at each age between 7 and 25 years. Subjects were also divided into nine age subgroups to observe the change of each parameter with advancing age. RESULTS: The fronto-occipital circumference and outer canthal distance of males was significantly (p <.001) wider than females in all age groups. The near and distant interpupillary distances of male subjects were, on average, wider than the female subjects with greater differences with advancing age. Across all subjects aged 7 to 40 years, the mean of all measured parameters and calculated indexes of men and boys was significantly different from girls and women (p <.001). The mean for interpupillary distances in our study in both sexes were found to be similar to Arabian, Hong Kong, and British children; larger than those of Chinese, Black, Indian, and Caucasians; and smaller than those of Mexican children and a mixed European population. CONCLUSION: This study clearly shows the anthropometric variation for fronto-occipital circumference, inner canthal distance, outer canthal distance, near and distant interpupillary distance, canthal index, and circumference-interorbital index with age. These developmental data and the normal values of these measurements in healthy subjects are useful for dysmorphologists in the early identification of some craniofacial syndromes, hyper- and hypotelorism, and congenital or posttraumatic telecanthus and of planning surgical intervention. We suggest that the comparison of craniofacial dimensions of a patient must be performed with normal standards specific for age as well as sex and race.
Adolescent↗
[Anthropometry and pediatrics].
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Comment↗
Anthropometry of anterior cruciate ligament in Singaporean Chinese.
Accurate reproduction of the anatomy of the anterior cruciate ligament during reconstructive surgery is paramount for obtaining good functional results. Graft size and length are important components of the reconstruction and the references we have used are Western figures. We feel that these Western figures do not apply to our local population. We performed an anthropometric study to test the hypothesis that the anterior cruciate ligament in the Singaporean Chinese is smaller than that quoted in Western literature. The study revealed that the anterior cruciate ligament in Singaporean Chinese is shorter and narrower. More importantly, the anterior cruciate ligament orientation in our study population is more vertical. This suggests that placement of the femoral tunnel in anterior cruciate ligament reconstruction has to be in a more vertical position to reproduce the physiometry of the anterior cruciate ligament.
Aged↗
[Analysis of anthropometry on head and eye for stipulating of children's spectacle frames].
OBJECTIVE: To investigate the normal value of six parameters of head and eye in Chinese children, including interorbit distance (IOD), interpupillary distance (IPD), superior otobasion-ectocochion distance (obs-ec), intersuperior otobasion distance (obs-obs), exophthalmos and nasal basis angle, for stipulating the sizes of children spectacle frames. METHODS: The value of these six parameters in 10 171 children ages 5 to 17 years old were measured with caliper in four cities and the results were analyzed. RESULTS: The IOD, IPD, obs-ec and obs-obs were increased and positively correlated with the age. The differences of these parameters among different ages were statistically significant (F = 0.97, P < 0.01), especially in IPD before 15, IOD before 13, obs-ec and obs-obs before 12 and exophthalmos before 12 years old. The fastest growth age in IPD, IOD, exophthalmos, obs-ec and obs-obs was 10, 11, 5, 7 and 11 years old, respectively. The growth period of IPD, IOD, exophthalmos, obs-ec and obs-obs was 5 - 15, 5 - 13, 5 - 8, 5 - 12 and 5 - 15 years old. The difference of these six parameters among children in 4 cities were statistically significant (t = 3.1, P < 0.01). CONCLUSIONS: The most active growth period of IPD, IOD, obs-obs, obs-ec and exophthalmos lies between 5-15 years old in Chinese children 5-17 years old. Although the differences of these six parameters between male and female and among children in four cities are statistically significant, practically they are not important for stipulating the sizes of children's spectacle frames.
Adolescent↗
Smoking and pregnancy: prevalence, knowledge, anthropometry, risk communication.
Information about smoking impact on pregnancy as well as clear advice to stop and a treatment offer should be included into the health care of pregnant women. We contacted them within the first 3 days after delivery. In the sample of 265 women 23.8% (63/265) smoked during their pregnancy (51.9% with basic education only, 25.8% with high school and 5.0% with university education), and 7% of the sample (19/265) did not quit by the delivery. Only 68% of smokers (43/63) were asked about their smoking habits during the pregnancy by their gynaecologist, and both smokers and non-smokers had insufficient information about the impact of smoking on their baby (40% of smokers and 32% of non-smokers had no idea at all), the doctor was the source of this kind of information only in 5% (13/265) cases. Smokers' children had a lower average birth weight (3.084 g in smokers vs. 3.325 g in non-smokers, p=0.02) and were smaller (49.3 cm vs. 50.5 cm respectively, p=0.02). Smokers' bodyweight increased more than non-smokers' during their pregnancy (gaining 14.8 kg vs. 12.9 kg respectively, p=0.02), they also underwent the delivery at a lower age (27.6 vs. 30.0 years respectively, p<0.01) and after a non-significantly shorter duration of pregnancy (38.7 weeks vs. 39.0 weeks respectively, p=0.53). If 23.8% of pregnant women smoke and 90.6% of them would like to stop, it is a missed opportunity for education and treatment of tobacco dependence by their physicians.
Birth Weight↗
Simple anthropometry and peak expiratory flow rate in elite South Asian athletes.
The athletes (n = 40) of South Asian Federation (SAF) Games were examined each taking a very short time. The athletes were runners (short distance, long distance and marathon), jumpers and throwers who were persuaded for the purpose. The throwers and the jumpers respectively comprised the oldest and youngest group of athletes in the study. The throwers were observed to be the tallest (mean height 179.96 +/- 1.49 cm) and heaviest (mean weight 92.27 +/- 3.81), whereas the long distance runners were of short height (mean value 162.80 +/- 2.61 cm) and light weight (mean value 50.41 +/- 2.58 kg). The highest mean values of PEFR (lit/min) were noted among the throwers (596.60 +/- 27.53) followed by marathon (590.0 +/- 32.18) and long distance runners (588.0 +/- 27.35). The lower values of PEFR were noted among the short distance runners (528.60 +/- 15.83) and jumpers (525.70 +/- 22.60). The PEFR values, when arranged according to height, were noted to be insignificantly increasing with the increase in age. The overall values of height, weight and PEFR were all found to be higher in these elite sportsmen when compared with their non-sportsman Indian counterparts.
Adult↗
Thermophysiologic anthropometry of the face in Homo sapiens.
Standard clinical thermographic practice has been to regard a side-to-side skin surface temperature difference of 0.5 degrees C or greater as indicative of a clinically significant disorder when such a difference is observed for the contralateral sides of the face. Prior to this time this standard relied upon empiric observation and cumulative experience. This paper provides the first published documentation clearly supportive of this long-standing clinical practice.
Cephalometry↗
[Postnatal growth of very low birth weight infants. II. Anthropometry at one year of age, a longitudinal study].
A prospective study up to one year of age, was done in 154 newborns with birth weight less than 1,501 g at a Metropolitan Hospital of Santiago, Chile, between 1983 and 1987. The patients were divided in groups A: 44 patients with birth weight less than 1,001 g; B: 68 patients with birth weights from 1,000 to 1,250 g and C: 48 patients with birth weight 1,251 to 1,500 g. At age one year weight of group A patients was 6,724 +/- 804 g; group B 7,782 +/- 927 g and group C 7,941 +/- 903 g. Weight and height of group A babies at one year of age were below 2 DS of the average weight and height for normal chilean babies of the same socioeconomic status and geographic area with 3,318 g mean birth weight. Group B and C were between 1 and 2 DS. Head circumference was within normal ranges in groups B and C patients, but in group A patients if was below 2 DS of the average.
Body Height↗
Body fat in normal adults estimated by oxygen-18- and deuterium-dilution and by anthropometry: a comparison.
We estimated body fat in 20 normal adults (10 males and 10 females) from 18O- and 2H-dilution spaces and from the equations of Durnin & Womersley and Pollock, Schmidt & Jackson based on skinfold thickness measurements. Differences between methods for body fat estimation were found to be sex-dependent: subsequent analyses indicated significant differences between methods within each sex. Regardless of sex, the highest fat estimates were obtained with the 18O-dilution method, followed by those obtained with the 2H-dilution method or the Durnin & Womersley equation. The lowest fat estimates were obtained using the Pollock, Schmidt & Jackson equation. The 18O-dilution method and the Durnin & Wormersley anthropometric method are both suitable and appropriate for body fat estimation in adults studied under field conditions.
Adipose Tissue↗
Prediction of body weight for the nonambulatory elderly from anthropometry.
Body weight is one of the most important measurements in assessing nutritional status. Weight is also an important variable in equations that are needed to predict caloric expenditure and in indexes of body composition. Equations to predict the body weight of nonambulatory elderly persons with known errors should make use of body measurements that are indexes of the actual constituents of body composition and that can be collected regardless of an elderly person's level of mobility. The study samples consisted of a validation sample of 228 ambulatory white elderly persons, a cross-validation sample, and a clinical-validation sample of nonambulatory white elderly persons. Equations to predict body weight in the validation sample were derived from recumbent measures of arm and calf circumferences, triceps and subscapular skinfolds, and knee height. The accuracy, sensitivity, and validity of the equations were independently tested in the cross-validation sample; mean signed differences in actual and predicted weight ranged from 0.1 to 1.8 kg. In the clinical-validation sample, the mean differences were larger. Prediction equations are presented using two, three, and four body measurements to allow the selection of an equation based upon those measurements that are possible to collect from a nonambulatory person on an individual basis.
Aged↗
Anthropometry and leisure activities of some Dunedin children aged 11 to 13, 1976 and 1984.
A study of weight, skinfold thickness and leisure-time activities of a group of Dunedin children aged 11 to 13, conducted in 1976, was repeated in 1984. Both weight and skinfold thickness were materially lower in the 1984 study, the difference being particularly marked in the girls. Both boys and girls spent significantly more time playing sport on Saturday in 1984 than in 1976 and twice as many walked or rode a bicycle to school. The time spent watching television was a little less in 1984; playing videogames is much more common among boys than girls.
Adolescent↗