Hip Girth Research Articles

Analyses of Health Status Indicators and Physical Fitness Level of Medical Students from Targu Mures

The current paper summarizes the health status correlated with physical fitness of students from the University of Medicine, Pharmacy, Science and technology “George Emil Palade” from Targu Mures. A total of 301 university students aged between 18-24 years old voluntarily participated in the research. Health status and physical fitness level were investigated based on (1) anthropometric measurements (height, waist girth and hip girth); (2) bioelectrical impedance (body mass index, weight and body fat percentage); (3) fitness level (30m running speed, standing long jump, sit up, trunk extension). The data were processed with SPSS 22.0 for windows. Descriptive statistics, Independent Samples T Test and bivariate correlations were performed. Findings demonstrate normal limits in terms of BDI for 71.79% and 61.79% normal limits for body fat percentage according to age. Additionally, it was found associations between health indicators and physical fitness

Gender and academic year as moderators of the efficacy of mobile app interventions to promote physical activity in adolescents: a randomized controlled trial

No previous study has analyzed the differences in the effectiveness of an intervention with mobile applications, according to gender and academic year, on the level of physical activity, body composition, and physical fitness of adolescents. For this reason, the aim of the present investigation was to establish the differences in the change in level of physical activity, kinanthropometric and derived variables, and fitness with an intervention to promote physical activity base on the use of mobile applications in adolescents according to gender and academic year. A randomized controlled trial was carried out with a 10-week intervention with mobile applications that was promoted by the physical education department of the school. The final sample consisted of 400 adolescents (210 males and 190 females; mean age: 13.96 ± 1.21 years). A total of 240 adolescents were placed in the experimental group, and 160 were placed in the control group. Physical activity, body composition and physical fitness were measured before (pre) and after the intervention (post). During the intervention, four apps were mandatory used by the adolescents (Strava, Pacer, MapMyWalk, Pokémon Go) a minimum of three times a week. The distance to be traveled increased weekly during the intervention. The control group did not use the apps but continued to perform their physical activities as normal. The results showed that the use of mobile apps was higher in females (p < 0.001; 71.1% females vs 50.0% males) and adolescents in higher academic year (p < 0.001; 74.4% fourth academic year vs 53.8% first academic year). Moreover, the use of the apps prevented the increase of variables related to fat accumulation (body mass index (BMI), fat mass, sum 3 skinfolds, waist, and hips girths). Specifically, the differences between male and female were significant in BMI (p < 0.001; mean diff: −0.352), corrected calf girth (p = 0.008; mean diff: −0.498), fat mass (p = 0.025; mean diff: 0.748), handgrip right (p = 0.002; mean diff: −1.359), handgrip left (p = 0.002; mean diff: −1.103), and countermovement jump (p = 0.002; mean diff: −2.456), while when considering academic year, differences were significant in height (p < 0.001–0.044; mean diff: −1.099 to −0.509), sum of 3 skinfolds (p = 0.046–0.047; mean diff: −3.255), waist girth (p = 0.048; mean diff: 0.584), hip girth (p < 0.001–0.008; mean diff: −1.461 to −0.777), corrected calf girth (p = 0.019–0.029; mean diff: −0.539 to −0.482), and fat mass (p = 0.025–0.046; mean diff: 1.011 to −1.392). It can be concluded that mobile apps can be a great alternative to promote the practice of physical activity, decrease of fat variables, and improve some physical fitness variables, especially in females and adolescents in higher academic year. As a consequence of the above, gender and academic year should be considered in future interventions with mobile apps, as the effects in kinanthropometric and derived variables, and fitness and the follow-up of the intervention by adolescents may be different depending on these factors. The research protocol was registered prior to the start of the study in ClinicalTrials.gov (code: NCT04860128), under the name “New technologies as a tool for health promotion in schoolchildren of compulsory secondary education”. https://clinicaltrials.gov/ct2/show/NCT04860128?term=NCT04860128&draw=2&rank=1.

Predicting the Weight of Holstein-Friesian Males at Different Ages by some Body Measurements

This study was conducted in one of the private fields for breeding Holstein-Friesian calves in the village of Al-Hamad in Al-Diwaniyah Governorate, where 107 males were used, including 21 at the age of 1 year, 51 at the age of 2 years, and 35 at the age of 3 years. The animals were weighed with an electronic scale, and body measurements (height body, chest girth and hip girth in centimeters) and the study aims to find the best single or double size to estimate the body weight of Holstein Friesian males, and the results of the current study can be summarized as follows: It was found that age had a highly significant effect (p<0.01) on body weight and its measurements, as it increased with age, as the weights of Holstein Friesian males, aged 1, 2, and 3 years, for all ages reached 271.714, 359.627, 522.914, and 395.785 kg, respectively. Age also had a significant (p<0.01) effect on measurements of body length, chest and hip girths, and the correlation coefficients ranged between body measurements for males and for the sum of ages between 0.887 to 0.988. In this study, it was found that the best measure for estimating body weight is chest and hip girth, as the correlation coefficients between body weight and chest girth ranged between 0.845 to 0.965, and between weight and chest girth from 0.831 to 0.970. And that the best equation for estimating the body weight of bulls at the age of one year is the chest girth as a single measurement if the regression equation Y=-76.791+1.280GC. The coefficient of determination, R2 = 0.930, with a standard error of the estimate 5.59. As for the best equation for estimating the weight of bulls at the age of 2 years, it is based on the girth of the chest, as the determination reached R2 = 0.715, and the regression equation Y=-348.104+4.206CG. With a standard error of the estimate 25.625. And the girth of the hip, as the coefficient of determination was 0.753 = R2 and the regression equation y = - 431.986 + 4.647 CG. And with a standard error of the estimate 23.838. The best equation for estimating the weight of bulls at the age of 3 years is to rely on chest girth as a single measure and the regression equation. Y=-451.388+5.05 CG, And the determination equation is R2 = 0.877, with a standard error of the estimate 20.518. As for the regression equation to estimate the body weight of bulls and for all ages, the equation of dependence on the girth of the chest can be used Y=-610.582+5.813 CG. Where it was R2= 0.931 with a standard error of estimation was 27.936 or depending on the girth of the hip Y = -632.404 + 5.884 CG, where R2 = 0.941 HG and with a standard error of estimation was 25.725.

Missing body measurements prediction in fashion industry: a comparative approach

The use of artificial intelligence to predict body dimensions rather than measuring them by stylists or 3D scanners permits to obtain easily all measurements of individual consumers and can consequently reduce costs of population survey campaigns. In this paper, we have compared several models of machine learning to predict about 30 measurements used in fashion industry to construct clothes from 6 easy-to-measure body dimensions and demographic information. The four types of models we have studied are linear regressions, random forests, gradient boosting trees and support vector regressions. To construct and train them we have used anthropometric measurements of 9000 adult individuals of the French population collected by the French Institute of Textiles and Clothing (IFTH) during a national measurement campaign collected between 2003 and 2005. We have analyzed the model prediction performance in terms of individual and global predictions as well as the effect of the training dataset size and the importance of the input features. The linear and the support vector regressions have given the best results with respect to evaluation metrics, predicted distributions and have required less training data than tree-based models. It turns out that the weight and height have been the most important input features for the models considered while the hip girth has been the less important among the input measurements. Since the set of body dimensions used in fashion industry and the morphology depend on the gender, we have decided to treat men and women separately and to compare them.

Feasibility of mitigating out-toeing gait using compression tights with inward-directing taping lines.

Out-toeing gait may cause alterations in lower limb biomechanics that could lead to an increased risk of overuse injuries. Surgery and physical therapy are conventional methods for mitigating such gait, but they are costly and time-consuming. Wearable devices like braces and orthoses are used as affordable alternatives, but they apply non-negligible stress on the skin. Haptic feedback-delivering shoes were also recently developed, but they require actuators and power sources. The purpose of our study is to develop compression tights with inward directing taping lines that apply compression to lower limb muscles and segments to facilitate inward rotation of the foot, overcoming the drawbacks of previous methods. These compression tights were manufactured to fit the average height, leg length, hip girth, and waist girth of South Korean females in their twenties. The efficacy of these compression tights was evaluated by comparing walking kinematics and user satisfaction of 12 female dancers with an out-toeing gait under three conditions: wearing tights with taping lines, tights without taping lines, and basic bicycle shorts. The foot rotation angles and joint kinematics were recorded using a pressure-pad treadmill and motion capture system, respectively. Multiple pairwise comparisons revealed that the compression tights with inward-directing lines significantly reduced foot rotation angles (up to an average of 20.1%) compared with the bicycle shorts (p = 0.002 and 0.001 for dominant and non-dominant foot, respectively) or the compression tights without taping lines (p = 0.005 and p = 0.001 for dominant and non-dominant foot, respectively). Statistical parametric mapping revealed significant main effects of the tight type on joint kinematics. Also, t-tests revealed that the participants reported significantly higher ratings of perceived functionality and usability on the compression tights with inward-directing taping lines. In conclusion, we developed a comfortable and practical apparel-type wearable and demonstrated its short-term efficacy in mitigating out-toeing gait.

Comparson of Kinanthropometry Profile of Different Track and Field Athletes

Introduction: It is well recognized that the Anthropometry of physical traits is crucial for an athlete’s growth to achieve high performance in a particular sport. Knowledge of Kin anthropometry gives us the skills to measure different body parts, including weight, height; diameters, circumferences, and skin folds, and athletes are selected based on these measurements. Studies on the human body's physical qualities show that successful athletes have different morphological characteristics from the general population in terms of somatic traits. Methods: A total of 100 Track and Field athletes were included in this study. Among them 65 were male and 35 were female athletes with a mean age of 22.35 (± 3.23) yrs. 33 Short-distance runners, 33 Middle Distance runners, and 34 long-distance runners were included in the study. Participants’ length measurements like (i) Leg length (ii) Upper leg length (iii) Lower leg length Body Girths (i) Calf girth (ii) Thigh Girths ( iii) Hip Girths, Skeletal Diameters (i) Knee Diameters (ii) Ankle Diameter, Skin fold (i) Calf skin fold (ii) Thigh skin fold (iii) Abdomen were measured. Results: Mean and stranded deviation of height, weight, length measurement, body girths, skeletal diameters, and skin folds were measured and tabulated. The body composition of short, middle, and long-distance runners was Mesomorph – Endomorphic, Mesomorph – Mesomorphic, and Ectomorph – Mesomorphic respectively. Conclusion: The study concluded that anthropometrical characteristics were one of the most influential factors in determining good athletic Physical performances. Each sport possesses a different body type and anthropometric data plays a vital role in the selection of athletes.

Gender classification from anthropometric measurement by boosting decision tree: A novel machine learning approach

The decision tree used a generating set of rules based on various correlated variables for developing an algorithm from the target variable. Using the training dataset this paper used boosting tree algorithm for gender classification from twenty-five anthropometric measurements and extract twelve significant variables chest diameter, waist girth, biacromial, wrist diameter, ankle diameter, forearm girth, thigh girth, chest depth, bicep girth, shoulder girth, elbow girth and the hip girth with an accuracy rate of 98.42%, by seven decision rule sets serving the purpose of dimension reduction.

Softball Pitchers' Body Segment Girths Are Associated with Varied Biomechanics at Ball Release of the Pitch.

The purpose of this study was to examine the relationships between pitcher trunk and throwing arm girth with kinematics at ball release of the softball pitch. Softball pitchers can be of various shapes and sizes; however, it is unknown if segment girth might influence pitch biomechanics. Because of the importance of body positioning at ball release of the windmill pitch, this study examined the relationship between segment girth and pitch biomechanics at ball release. Forty-two pitchers volunteered to participate (1.706 ± 0.061 m, 74.98 ± 15.94 kg, 15.5 ± 1.7 yr). Participants' throwing upper arm, chest, waist, and hip girth were measured. Participants then pitched fastballs to a catcher (43 ft) while an electromagnetic motion capture system synced with a force plate and motion analysis software collected kinematic data (sampled at 240 Hz). Linear regressions revealed that upper arm, chest, and waist girth were associated with throwing arm shoulder horizontal abduction. Greater segment girth was associated with less horizontal abduction at ball release of the pitch. Segment girth is related to pitch biomechanics and may influence body positions at crucial softball pitch events such as ball release. Understanding biomechanical differences according to body segment girth is important for safe and optimal player development and performance.

Classification of male upper body shape: An innovative approach

This study aims at the proposition of a novel strategy to classify the upper body silhouette of the male population into different shapes. Instead of using an existing measuring scheme based on linear evaluation of the body, we devise the use of angle-based anthropometric data to capture the exhibited curvature of the upper body. The objectives are attained by quantifying and employing the chest-waist (CW) angle and hip-waist (HW) angle in the instigation of a more appropriate classification of the upper body. A sample of 241 males aged 17–29 years was scanned through a 3D body scanner to gather the anthropometric data including chest girth, waist girth, and hip girth and their respective heights. In the next phase, the extracted information was used to calculate the angles. Based on the empirical realizations of the resulting indices, criteria defining the classifications of the body shape were determined. The operational environment is further enriched by considering varying levels of angular differences capable of offering more notable stratification of the upper male body shapes. It is realized that the angular difference of 10° between the CW and HW angles results in the more prominent classification of the upper male body. The proposed body classification technique classifies the sample of 241 males into three body shapes that are, straight (61%), hourglass (36.51%), and torch shape (2.48%). The classification scheme proposed in this study is a step toward achieving a high degree of customer satisfaction regarding clothing fit. It is a reference for coming research in body shape classification to achieve clothing fit in customized clothing.

МОРФОФИЗИОЛОГИЧЕСКИЕ И ПСИХОЛОГИЧЕСКИЕ ОСОБЕННОСТИ ГОРОДСКОЙ МОЛОДЕЖИ (НА ПРИМЕРЕ ДЕВУШЕК ДВУХ ЭТНИЧЕСКИХ ГРУПП Г. САРАНСКА)

Introduction. The ongoing urbanization, on the one hand, promotes the unification of people of different ethnic and social groups and cultures, enriching them. On the other hand, it smoothes and even destroys cultural differences, creating multicultural communities. Questions about the similarities or differences in the morphophysiological status of the ethnically diverse population living in the same territory are of interest. The aim of the study is to analyze the morphophysiological and psychological characteristics of students of various ethnicities living in the city of Saransk (on the example of girls).Materials and methods. The work is based on the materials of a comprehensive anthropological survey of students of higher educational institutions in Saransk. Morphological (body height and weight, waist and hip girths, body components), physiological (indicators of cardiovascular, respiratory and musculoskeletal systems, level of adaptive potential) and psychological (level of anxiety, depression, stress resistance, aggressiveness) characteristics of girls of different ethnicity (East Slavic ethnic groups, Mordovains and mixed origin) were evaluated. The total number of participants – 107, aged 17 – 21.Results. According to the average values of morphological signs, the girls of Saransk do not differ from their peers from Europe and North America, and according to physiological indicators they correspond to the established norms. The value of the adaptive potential corresponds to the functional stress. The level of anxiety, depression and aggressiveness can be assessed as average, and according to the indicator of stress resistance, the girls of Saransk belong to the category «propensity to type A» (instability to stress is often manifested). There were no statistically significant differences in morphofunctional and psychological indicators between groups of girls of different ethnic origin.Conclusion. Due to the absence of statistically significant differences in the studied characteristics between groups of girls of different ethnic origin, the identified features can be considered as regional. To exclude the possible influence of the socio-economic heterogeneity of the group on morphophysiological features, it is necessary to expand the research program with a detailed questionnaire.

The determination of distal hip circumference in universities students depending on the sport type

Purpose: to find out the features of hip girth (distal) of both limbs of young boys and young girls of Bukovynian higher educational institutions, depending on the sport type.&#x0D; Materials and methods: 115 students of Bukovynian higher education institutions aged from 16 to 21 years old participated in the study, 78 (67.82%) of them were young boys and 37 (32.18%) were young girls. The main group was 75 (65.22 %) students of the I-II courses of the Faculty of Physical Culture and Human Health (the Yuriy Fedkovich Chernivtsi National University), the control group - 40 (34.78%) college students and students of the Stomatological Faculty of the Bukovynian State Medical University, who underwent an anthropometric study, according to the method of V.V. Bunaka in the modification of P.P. Shaparenko (determination of body weight and hip girth distally).&#x0D; Results: a comparison of the length of the distal right and left hip girth of young boys and young girls of both groups shows that the length of the right hip girth of young boys and young girls is bigger than the left: the main group (right in young boys - 48.50±2.0 cm, left - 42.25 ±2.0 cm; right in young girls – 48.59±2.0 cm; left – 41.74±2.0 cm), control group (right in young boys – 49.19±2.0 cm, left – 44 ,42±2.0 cm; young girls' right - 46.57±2.0 cm; left - 41.52±2.0 cm). The conducted regression analysis shows that gender and weight are significant factors for hip girth distally on the right and left.&#x0D; Conclusions: the model for predicting the circumference of the distal right thigh has the equation: y = β1+β2 +0.318*x, where y is the distal right thigh circumference, x is weight. Coefficient β1 = 29.848 for young girls and β2 = 25.95 for young boys. The coefficient of determination is 0.994. On the left, it has the equation: y = β1+β2 +0.292*x, where y is the hip girth on the distal left, x is weight. Coefficient β1 = 29.848 for women and β2 = 21.901 for men. The coefficient of determination is 0.991.

Increasing Adiposity Is Associated With QTc Interval Prolongation and Increased Ventricular Arrhythmic Risk in the Context of Metabolic Dysfunction: Results From the UK Biobank.

BackgroundSmall-scale studies have linked obesity (Ob) and metabolic ill-health with proarrhythmic repolarisation abnormalities. Whether these are observed at a population scale, modulated by individuals’ genetics, and confer higher risks of ventricular arrhythmias (VA) are not known.Methods and ResultsFirstly, using the UK Biobank, the association between adiposity and QTc interval was assessed in participants with a resting 12-lead ECG (n = 23,683), and a polygenic risk score (PRS) was developed to investigate any modulatory effect of genetics. Participants were also categorised into four phenotypes according to the presence (+) or absence (–) of Ob, and if they were metabolically unhealthy (MU+) or not (MU-). QTc was positively associated with body mass index (BMI), body fat (BF), waist:hip ratio (WHR), and hip and waist girths. Individuals’ genetics had no significant modulatory effect on QTc-prolonging effects of increasing adiposity. QTc interval was comparably longer in those with metabolic perturbation without obesity (Ob-MU+) and obesity alone (Ob+MU-) compared with individuals with neither (Ob-MU-), and their co-existence (Ob+MU+) had an additive effect on QTc interval. Secondly, for 502,536 participants in the UK Biobank, odds ratios (ORs) for VA were computed for the four clinical phenotypes above using their past medical records. Referenced to Ob-MU-, ORs for VA in Ob-MU+ men and women were 5.96 (95% CI: 4.70–7.55) and 5.10 (95% CI: 3.34–7.80), respectively. ORs for Ob+MU+ were 6.99 (95% CI: 5.72–8.54) and 3.56 (95% CI: 2.66–4.77) in men and women, respectively.ConclusionAdiposity and metabolic perturbation increase QTc to a similar degree, and their co-existence exerts an additive effect. These effects are not modulated by individuals’ genetics. Metabolic ill-health is associated with a higher OR for VA than obesity.

Age and body stature, handgrip, and strength endurance analyses of elite weightlifters: boosting 1RM bench press

Aim: This study aims to characterize the body stature and age, handgrip, and endurance strength of elite male weightlifters, and ascertain the anthropometric features that can boost IRM bench press. Methods: Forty-four elite male weightlifters of different weight categories participated in this study. All participants were members of the Ebonyi state team in Nigeria. We assessed their body weight, height, arm span, arm girth, chest girth, hip girth, thigh girth, handgrip strength, 1RM, time for repetitions (TR), and the number of repetitions (NR) of bench press, using National Strength and Conditioning Association’s guidelines. Results: 1RM bench press depends on waist and thigh girths, while the speed of bench press was associated with height and arm span of elite weightlifters. 1RM, NR, and TR of bench press depend on age, body weight, and BMI. Consistently, NR of bench press increase with age; range 18, 22 years, and body weight increases with age; range 28, 32 years, while handgrip strength reduces with age; range 38 years and above (p < 0.05). Conclusion: The strength of association of age, and BMI with strength endurance and 1RM bench press was robust and similar, but inconsistent with handgrip strength. It also suggests that enhancing the musculoskeletal structures of the thigh and waist could boost 1RM bench press while handgrip strength could not but reduces as age advances beyond 38 years.

DEVELOPMENT OF CLIMBING CLOTHES USING COMPUTERIZED 3D CLOTHING SIMULATION

The purpose. This paper aims to explore the applicability of computerized 3D virtual clothing simulation programs for the development of patterns for men’s rock climbing pants. Methodology. The experiment involved comparative methods of virtual wearing, as well as pressure points, perspective map and appearance evaluations. The theoretical and methodological basis of the research are scientific works presenting data from 3D virtual fitting software. Results. The study selected three designs of climbing pants to compare the layout of patterns and to analyze the appearance through virtual garment fit maps. First, the 2D-to-3D was applied to develop garment patterns of a rock climber’s pants. The patterns were developed directly in the 3D software. The flat patterns can be visualized in the sewing/assembly stage of the prototype. Then, 3D animation technology was used in simulation. The results throughout the study were: 1) 3D simulation of three different types of pants design. 2) Evaluating the fit and comfort of the clothing using garment fitting maps. 3) Identifying the most discomforting parts of the patterns, thigh, hip, waist, pants hem and knee girth. 4) Modify and adjust the clothing according to the evaluation situation. Scientific novelty consists in providing a systematic methodology of utilizing 3D simulation for a specific category of wearers, such as rock climbers. Practical significance. The considered research directions of 3D clothing simulation can be used by designers and patternmakers in the creative and experimental process of designing clothes expanding the possibilities of software to transform functional design in the industry and research.

Cluster size prediction for military clothing using 3D body scan data

AimTo determine how anthropometric characteristics cluster in the New Zealand Defence Force, and to describe the characteristics of each cluster. This information can inform the development of new uniform sizing systems for the New Zealand Defence Force. MethodsAnthropometric data (n = 84 variables) from 1,003 participants (212 females; 791 males) in the New Zealand Defence Force Anthropometry Survey (NZDFAS) were used. The dataset was stratified by gender and variables isolated based on their relevance to shirt and trouser sizing. Principal Component Analysis was used to identify the most important variables for clustering. A combination of two-step and k-means clustering was used to derive cluster characteristics. ResultsThe PCA identified optimal clothing (shirt = body height and waist girth; and trouser = inseam length and hip girth for females; inseam length and waist girth for males) variables. Two-step and k-means clustering identified optimal cluster numbers of 6 and 10 for female and male clothing, respectively. The female clothing clusters were more variable (intra-cluster) and further apart (inter-cluster) compared to males. ConclusionsAnthropometric measurements in combination with clustering techniques show promise for partitioning individuals into distinct groups. The anthropometry dimensions associated with each cluster can be used by the garment industry to develop specific sizing systems for the New Zealand Defence Force population.

Новые параметры прижизненной оценки мясной продуктивности овец породы джалгинский меринос

Abstract. For breeding work in order to increase productivity indicators in sheep, it is necessary to use the most informative exterior parameters. This dictates the need to develop new approaches to assessing phenotypic parameters. Purpose. Development of new parameters for live assessment of meat productivity of sheep of the Dzhalginskiy merino breed and study of their significance using the method of principal components. Scientific novelty. We have proposed several new parameters for the lifetime assessment of the parameters of meat productivity and studied the possibility of their use in sheep of the Dzhalginskiy merino breed. Methods. The possibility was studied for life determination of the size of individual muscle groups using such parameters as the girth of the shoulder, forearm and thigh by instrumental methods, as well as measuring the parameters of the muscle eye, the thickness of the femoral muscle and fat using ultrasound. To assess the significance of the proposed parameters, in comparison with those used in existing practice, we applied the principal component method and correlation analysis. Results. Five main components have been established, which determine 70, 3% of the total phenotypic variability in sheep of the Dzhalginskiy merino breed. They characterize the size of the forelimbs, the size of the chest, the parameters of the muscular eye, the size of the hind limbs and the thickness of fat in the lumbar region. The parameters of the shoulder, forearm and hip girth we proposed showed high significance in the calculation of the components. The thickness of the femoral muscle was found to be of little significance. It was also found that most of the measurements used do not reliably correlate with each other. High positive significant correlations were found only between body weight and average daily weight gain, thickness and width of the muscle eye, shoulder girth and height at the sacrum. Thus, we have found that for the phenotypic assessment of the Dzhalginskiy merino sheep, it is advisable to use the girth of the shoulder, forearm and thigh as additional parameters.

Changes in Regional Fat Distribution and Anthropometric Measures Across the Menopause Transition.

The relation between the menopause transition (MT) and changes in regional fat distribution is uncertain. To determine whether the MT is associated with the development of central adiposity. Longitudinal analysis from the Study of Women's Health Across the Nation, spanning 1996-2013 (median follow-up 11.8 years). Community-based. 380 women with regional body composition measures by dual energy X-ray absorptiometry. Mean baseline age was 45.7 years; racial/ethnic composition was 16% Black, 41% Japanese and 43% White. Changes in android, gynoid and visceral fat and waist and hip circumferences. Android fat increased by 1.21% per year (py) and 5.54% py during premenopause and the MT, respectively (each P < 0.05). Visceral and gynoid fat began increasing at the MT, annualized changes were 6.24% and 2.03%, respectively (each P < 0.05). Postmenopausal annual trajectories decelerated to 1.47% (visceral), 0.90% (android), and -0.87% (gynoid), (all non-zero, P < 0.05). Waist girth grew during premenopause (0.55% py), the MT (0.96% py), and postmenopause (0.55% py) (all non-zero, P < 0.05; not statistically different from each other). Hip girth grew during premenopause (0.20% py) and the MT (0.35% py) (each non-zero, P < 0.05; not statistically different from each other) and decelerated to zero slope in postmenopause. Results are for the White referent; there were statistically significant differences in some trajectories in Black and Japanese women. The MT is associated with the development of central adiposity. Waist or hip circumferences are less sensitive to changes in fat distribution.

Increasing adiposity and metabolic dysfunction prolong QTc interval and increase risk of ventricular arrhythmias: results from the UK Biobank

Abstract Funding Acknowledgements Type of funding sources: Public Institution(s). Main funding source(s): National Institute for Health Research Background/purpose: Small-scale studies have associated obesity and metabolic ill-health with QTc interval prolongation. Whether these associations are modulated by an underlying genetic predilection and translate into higher risks of ventricular arrhythmias (VA) is unknown. Methods Using the UK Biobank and adjusted multivariate regression analysis, we studied the associations between QTc and clinical measures of adiposity and metabolic ill-health. A polygenic risk score was used to determine whether these associations are modulated by a genetic predilection for QTc prolongation. We compared QTc between four clinical phenotypes defined according to presence (+) or absence (-) of obesity (Ob), and metabolic ill-health (MU). Logistic regression was used to calculate odds ratios (OR) for VA amongst these groups. Results 23,683 individuals (11,563 male, mean age 61.0 + 7.5years) had ECG and clinical data available. QTc prolongs with increasing body mass index (0.76ms/kg/m2, 95%CI: 0.68-0.83ms/kg/m2), body fat (0.45ms/%, 95%CI:0.39-0.50ms/%), hip girth (0.35ms/cm, 95%CI:0.31-0.39ms/cm) and waist girth (0.32ms/cm, 95%CI:0.29-0.35ms/cm); all p &amp;lt; 0.001. Genetically determined repolarisation reserve has no significant modulatory effect on the QTc-prolonging effects of increasing adiposity. Referenced to Ob-MU-, Ob + MU- and Ob-MU+ independently prolong QTc to a comparable extent, and Ob + MU+ has an additive effect on QTc prolongation. With reference to Ob-MU-, OR for VA in Ob-MU+ males and females were 5.96 (95%CI:4.70-7.55) and 5.10 (95%CI:3.34-7.80), respectively. OR for Ob + MU+ were 6.99 (95%CI:5.72-8.54) and 3.56 (95%CI:2.66-4.77) in males and females, respectively, (all p &amp;lt; 0.001, see Table). Conclusion Adiposity and metabolic perturbation prolong QTc to a similar extent, and their co-existence exerts an additive effect. These effects are independent of genetically determined repolarisation reserve. Despite their comparable QTc prolonging effects, metabolic ill-health is associated with higher OR for VA than obesity. VA in obesity and metabolic dysfunctionReference phenotypeOb + MU-Ob-MU+Ob + MU+Ob-MU+male1.10(0.87-1.39)ns5.96 (4.70-7.55)***6.99(5.72-8.54)***female0.87(0.64-1.18)ns5.10(3.34-7.80)***3.56(2.66-4.77)***Ob + MU-male--6.01(4.98-7.26)***female--5.61(4.18-7.52)***Ob + MU+male--1.25(1.05-1.49)*female--1.16(0.80-1.68)nsOb, obese; MU, metabolically unhealthy; +, presence; -, absence; ns, non-significant; *p &amp;lt; 0.05; ***p &amp;lt; 0.001. Abstract Figure. QTc in obesity and metabolic dysfunction

Effects of Strength Training on Physical Fitness and Obesity of College Girls of Yazman, Bahawalpur, Pakistan

The purpose of this study was to examine the influence of strength training on physical fitness and obesity of college girls. The selected (n = 70) participants were girls' students of Yazman, Bahawalpur. The selected variables were 600m race for endurance, 30m dash for speed, standing broad jump for leg power, zigzag run for agility, sit and reach for flexibility, and handgrip strength. The body composition was estimated through five skin folds, seven girths, three breadths, and the lengths of upper and lower limbs. Eight weeks training schedule was adopted, (five days in a week) which comprises of different physical activities such as a 400m race, sit-ups, skipping, matches of badminton and volleyball. A paired t-test was applied to examine the effect of training on body composition and physical fitness of college girls. The result showed that strength training significantly affects bicep skin fold, hip girth, chest girth, 30m race, and flexibility. It is concluded that strength training increases physical fitness and reduces the body fat of college girls. The comparative analysis results revealed that after eight-week strength training, the college girls' students become physically active, reduced body fats, and assist in weight management.

Body measurements with 3D body scanner: the case of female population in Saudi Arabia

Purpose The purpose of this paper was to develop the first standard apparel sizing system for Saudi adult female population originating from anthropometric study using three-dimensional (3D) body scanner. Design/methodology/approach An anthropometric survey was conducted in four regions of the country where 1,074 participants between the ages of 18 and 63 were scanned using white light 3D body scanner. K-means cluster analysis using stature and hip girth as control variables produced the proposed sizing system, whereas regression equations were used to determine the parameters between measurements of different sizes. Findings Three sizing groups with 12 size designations in each totalling 36 size designations were identified. The sizing charts developed in this study show that key girth measurement ranges of chest, waist and hips are comparable to that of ISO standard and (ASTM D5585-11), while the Saudi female population falls into shorter height brackets than ISO and ASTM standards. Originality/value In this study, the first anthropometric database for Saudi female population was established using 3D body scanning technology, and a sizing system for this target population was developed.