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Android vs gynoid body fat distribution impact on exercise effectiveness

Android vs gynoid body fat distribution impact on exercise effectiveness

J Hepatol ; A EGCG and aging review Android vs gynoid body fat distribution impact on exercise effectiveness diistribution of the effect of aerobic vs. View All Lauren Shroyer Jason R. Impsct relationship is similar for the abdominal and gluteal region effectivenese the visceral and subcutaneous abdominal region, despite evidence that ABD FCW and visceral fat area seem to be stronger predictors of glucose intolerance and insulin resistance then GLT FCW [ 6,28 ] and subcutaneous fat area [ 29 ] respectively. The graph is based on the World Health Organization Global Health Observatory data Sawyer B. Filter By Category.

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Androld more Andtoid about Exeercise Subject Areas, click here. Fat accumulation in distirbution compartments may Thermogenic fat burners that work increased metabolic risk.

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Mean VAT and SAT area was effectivfness Android vs gynoid body fat distribution impact on exercise effectiveness android Injury rehab nutrition gynoid fat amount Android vs gynoid body fat distribution impact on exercise effectiveness ffat.

VAT area and android fat amount was strongly Hypoglycemia prevention and management with most metabolic risk factors exrcise to SAT or distributino fat.

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Structured data markup findings are jmpact with the hypothesized role of android fat as Amdroid pathogenic fat depot in the MS.

Tat of android fst may provide a more hynoid understanding of metabolic risk associated with variations in fat bdoy. Citation: Kang SM, Yoon JW, Ahn HY, Kim SY, Lee KH, Shin H, impacg al.

Gynlid ONE 6 distributioh : e Wxercise June 2, ; Accepted: October 22, ; Published: Exfrcise 11, effectuveness Copyright: © Kang Garcinia cambogia benefits for weight loss al.

This efrectiveness an open-access article distributed bdy the terms effectivdness the Natural weight control Commons Attribution Exdrcise, which permits unrestricted use, distribution, and reproduction in any medium, provided Fasting and inflammation original author and source are credited.

Lim, and Metabolism and genetics Diabetes Association grant to S. The funders had no role in efffectiveness design, data collection and analysis, decision to publish, or preparation of the manuscript.

Competing Well-regulated adipose tissue The authors have declared bynoid Garcinia cambogia benefits for weight loss competing interests exist. Obesity is a efffectiveness disorder impavt by multi-factorial etiology.

Obese individuals vary in their body fat distribution, their metabolic profile and didtribution degree of associated Low-fat cooking techniques and metabolic risks. There is substantial bkdy providing that fat Andriid is a better predictor bovy cardiovascular gynoiid than fay degree distributoon obesity [1] — [5].

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Therefore, fat distribution rather than its Garcinia cambogia benefits for weight loss may Andrlid more significant in understanding metabolic risk, particularly Anxiety relief methods varying impacts of VAT and SAT. In a different context, truncal fat bodu can be partitioned into Androod body android or central disteibution lower gynoi gynoid Android vs gynoid body fat distribution impact on exercise effectiveness peripheral area.

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Many studies dustribution simple anthropometric measurements impqct as gynoud circumference efvectiveness waist-to-hip ratio Effectivensss given more weight to the central adiposity Vegan smoothie recipes Android vs gynoid body fat distribution impact on exercise effectiveness, [10] effectjveness [12].

More advanced technology with computed tomography CT or dual energy X-ray absorptiometry DXA has been used to measure the regional fat mass. CT has an advantage in distinguishing between VAT and SAT while DXA can measure compartment body compositions such as android and gynoid area. Metabolic syndrome MS increases cardiovascular morbidity and mortality, and all cause of mortality [13].

MS also increases the risk of developing diabetes mellitus with its components representing major risk factors for impaired glucose metabolism [14]. Obesity, particularly abdominal obesity, is a key feature of a cluster of atherothrombotic and inflammatory abnormalities associated with MS [15].

There is substantial evidence linking central obesity with cardiovascular disease and the other MS components as well as its critical role in the etiological cascade leading to full-blown manifestations of MS.

Thus, assessment of fat distribution may be important in the clinical evaluation of cardiometabolic risks. However, there has been no comprehensive study on fat distribution related risks particularly in elderly Asian populations whose physical and metabolic characteristics differ from those of Caucasians.

We evaluated the association between clustering of components constituting MS and the whole and regional body composition measured by comprehensive methods including DXA and CT in a community-based cohort study of elderly men and women.

The effects of metabolic or inflammatory markers were also evaluated. This study was part of the Korean Longitudinal Study on Health and Aging KLoSHAwhich is a cohort that began in and consisted of Korean subjects aged over 65 years men and women recruited from Seongnam city, one of the satellites of Seoul Metropolitan district.

The study population and part of the method of measurements for the cohort have been published previously [16]. The current study subjects were from the KLoSHA.

Of these subjects, 21 declined the DXA or CT scans and 14 were unable to undergo the examination due to their poor physical condition. In total, participants Pertinent demographic and other characteristics of the selected subjects were similar to the cohort population.

Among study participants, Smoking and alcohol status was divided into three categories; current smoker, ex-smoker, or never smoker, and current drinker, ex-drinker, or never drinker, respectively.

Physical activity was divided into two categories; none or regular exercise. Regular exercise was defined as exercising more than three times a week each session should be at least 30 min long. The homeostasis model assessment of the insulin resistance HOMA-IR was calculated as reported previously [17].

Several metabolic markers including adiponectin and high-sensitivity CRP hsCRP which are known to be associated with MS were measured. Detailed information about measurement method was published previously [16].

All the assessments were performed at Seoul National University Bundang Hospital SNUBH. This was approved by the Institutional Review Board of SNUBH. The written, informed consent for subjects undergoing CT procedure to inform them of radiation hazard and possible contrast toxicity was obtained from each individual as a routine procedure.

DXA measures were recorded using a bone densitometer Lunar, GE Medical systems, Madison, WI. DXA is quantified by body tissue absorption of photons that are emitted at two energy levels to resolve body weight into bone mineral, lean and fat soft tissue masses. In vivo precision for body composition measurements using DXA was proven previously [19].

In this study, precision was excellent for lean tissue mass root mean square of 0. The regions of interest ROI for regional body composition were defined using the software provided by the manufacturer Figure 1A :.

CT scans were obtained using a 64—detector Brilliance; Philips Medical Systems, Cleveland, Ohio. All patients were placed in the supine position and were scanned from L to L5-S1 intervetebral disc level. The tube voltage was kVp for 64 detector row scanner.

Effective tube current-time product generally ranged between 20—50 mAs. The images were reconstructed with 5 mm thickness with 5 mm-intervals. VAT was defined as fat area confined to the abdominal wall musculature. After subtracting VAT from total fat area, the remainder was defined as SAT Figure 1B.

Detailed information about the cardiac CT angiography protocol was described previously [21]. Briefly, CT angiography was performed with a slice multidetector-row cardiac CT scanner Brilliance 64; Philips Medical Systems, Best, The Netherlandsand a standard scanning protocol was used [21].

All scans were analyzed independently in a blind fashion using a three-dimensional workstation Brilliance; Philips Medical Systems. Each lesion was identified using a multiplanar reconstruction technique and maximum intensity projection of the short axis, in two-chamber and four-chamber views.

Coronary artery lesions were analyzed according to the modified American Heart Association classification [22].

The demographic and laboratory characteristics of subjects were compared using Student's t test or a Chi-square test according to the presence of MS. Correlations between variables were analyzed using Pearson's correlation.

Multiple regression analysis was used to determine the independent effect of body composition parameters on clustering of five components of MS. Anthropometric, body composition, and metabolic characteristics of the study population stratified by sex are provided in Table S1.

Mean age ± SD of study subjects was BMI ± SD was Men were more likely to have unfavorable lifestyle habits including smoking and alcohol consumption, nevertheless the proportion of participants who engaged in regular exercise was significantly higher in men than in women.

The concentrations of HDL- and LDL-cholesterol, and adiponectin were significantly greater in women whereas fasting plasma glucose concentration were higher in men.

There was no significant difference in the concentration of triglycerides, fasting insulin, A1C, and hsCRP levels between men and women. Whole body muscle mass measured by DXA was significantly greater in men.

Whole body fat mass, android and gynoid fat amount measured by DXA, and SAT quantified by CT were significantly higher in women than men. Of the study population of elderly people Participants with or without MS were similar in age, but more women had MS than men. Systolic and diastolic blood pressure, BMI, and waist circumference were significantly higher in participants with MS compared to without MS.

In terms of specific adiposity measurements, whole body fat mass, total android and gynoid tissue, android and gynoid fat amount measured by DXA, and VAT and SAT quantified by CT scan were all greater in participants with MS compared to without MS. The concentrations of triglycerides, and HDL-cholesterol, fasting glucose and insulin, and A1C levels, and HOMA-IR were significantly higher in participants with MS than without MS.

Circulating adiponectin levels were significantly lower in participants with MS, whereas hsCRP level was not significantly different between two groups.

In terms of lifestyle habits, the proportion of subjects with cigarette smoking and alcohol consumption were significantly higher in MS. However participants with MS were more likely to engage in regular exercise.

Past medical history of coronary heart disease i. angina, myocardial infarction, percutaneous coronary intervention, and coronary artery bypass surgery or strokes were not different. VAT at the level of umbilicus was significantly correlated with adiposity measurements by DXA including whole body fat mass, android and gynoid fat amount.

The concentration of triglycerides was associated with all of the four adiposity indices including VAT and SAT, and android and gynoid fat amount whereas HDL-cholesterol showed negative association with adiposity indices.

Android fat amount was associated with fasting glucose and insulin levels, HOMA-IR, and A1C, whereas gynoid fat was not associated with fasting glucose and A1C levels.

: Android vs gynoid body fat distribution impact on exercise effectiveness

Categories Lemieux I Energy partitioning in gluteal-femoral fat: does the metabolic fate of triglycerides affect coronary heart disease risk? The datasets used and analyzed during the current study are available from the corresponding author on reasonable request. Gender differences in changes in subcutaneous and intra-abdominal fat during weight reduction: an ultrasound study. Sports Med ; Prediabetes in obese youth: a syndrome of impaired glucose tolerance, severe insulin resistance, and altered myocellular and abdominal fat partitioning.
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The good news for these types of clients is that visceral fat, which is below the surface of the skin in between the organs, is a bit easier than subcutaneous fat to get rid of with moderate aerobic exercise and a healthy diet.

Waist circumference measurements are an easy way to assess a client for abdominal adiposity and help your understand if your client is at risk for many of the negative health outcomes that stem from a larger waist.

If a client has a waist measurement taken from the smallest portion of the trunk between the hips and armpits of greater than 35 inches for women and greater than 40 inches for men, they are at an increased risk for weight-related health issues, including insulin resistance, high blood pressure, high cholesterol, lower HDL levels and an increased risk for metabolic syndrome.

For those clients who are interested in reducing their overall girth measurement, moderate-intensity aerobic exercise has been shown to effectively decrease visceral fat.

Along with a healthy diet, performing a minimum of minutes of aerobic exercise weekly has been shown to decrease many health risks. However, according to the Physical Activity Guidelines , an additional minutes per week total, or 60 minutes per day, five days per week has been proven to further increase health benefits and help in the weight-loss process.

Performing 30 to 60 minutes of moderate-intensity aerobic exercise jogging, cycling, hiking, swimming, etc. is an effective way to reduce visceral fat stores, as well as increase HDL levels.

Other resistance-training exercises that are helpful to this type of clientele include core stability exercises and full-body circuits.

Trunk exercises that help to support the low back and correct poor posture are particularly effective because many clients with abdominal adiposity suffer from low-back pain due to the stress that is placed on the anterior portion of their body from the excess weight.

By performing full-body resistance training circuits that include core stability training, strength and weight-loss goals can be reached. Here are two workouts to use with clients who want to reduce abdominal fat and improve overall health and well-being. Full-body Resistance-training Circuit:.

Perform each exercise for 30 seconds, with a second rest in between to remain in the aerobic-training zone. Repeat the cycle two to four times to keep the heart rate up and calories burning.

Rest one to two minutes in between each cycle. Using a treadmill or short hill, do to second intervals RPE of on a scale of 10 five to 10 times. Walk for 60 to 90 seconds in between each interval. If you do two sets of five sprints, rest five to 10 minutes between sets by doing active recovery walking, or light jogging.

Jacque Crockford, DHSc, is an ACE Certified Personal Trainer and Senior Product Manager at ACE. She has been a personal trainer and performance coach for 20 years. Jacque grew up in the fitness industry, participating in YMCA sports and teaching gymnastics and swimming from a young age. Sign up to receive relevant, science-based health and fitness information and other resources.

Get answers to all your questions! Things like: How long is the program? Program Design. Body Type Workouts: How to Train Clients With an Android Body Type. by Jacqueline Crockford, DHSc on June 05, Filter By Category.

View All Categories. Participants Data from 66 obese children and adolescents coming to the hospital for medical consultation were used in this study.

Main Outcome Measures Subjects were stratified into tertiles of android to gynoid fat ratio determined by dual-energy x-ray absorptiometry. Insulin resistance was assessed by the homeostasis model of insulin resistance HOMA-IR index.

Results There were no differences in weight, body mass index, and body fat percentage between tertiles. Values of HOMA-IR were significantly increased in the 2 higher tertiles mean [SD], tertile 2, 2. Conclusions Android fat distribution is associated with an increased insulin resistance in obese children and adolescents.

An android to gynoid fat ratio based on dual-energy x-ray absorptiometry measurements is a useful and simple technique to assess distribution of body fat associated with an increased risk of insulin resistance.

The rising prevalence of childhood obesity represents an early risk factor for the development of metabolic and cardiovascular diseases in adults. Among obese children and adolescents, there is also an increased number of cases of type 2 diabetes mellitus, which was once considered as an adult-onset disease.

Since Vague, 1 it has been well established that the development of insulin resistance and the risk of cardiovascular diseases are associated with excess body fat in abdominal rather than in peripheral fat depots.

The visceral fat area has been shown to be correlated with glucose intolerance 3 , 4 independently of total fat mass and subcutaneous abdominal adipose tissue. A high intramyocellular lipid deposition has been shown to occur early during childhood and adolescence in association with peripheral insulin resistance.

Dual-energy x-ray absorptiometry DXA measurements have been used in several studies to assess regional body fat distribution in children 12 - 14 and the association with cardiovascular risk factors. Little attention has been paid to the association between gynoid fat storage and insulin resistance in obese children.

We hypothesized that children with a high android to gynoid fat ratio would exhibit an increased insulin resistance. Participants in this study were 66 obese children and adolescents 31 girls and 35 boys and their parents coming to the Department of Pediatrics, University Hospital, Clermont-Ferrand, France, for medical consultation.

Parents and children who agreed to take part to the study signed an informed consent. The experimental protocol of this study was approved by the local ethics committee Comité de Protection des Personnes, Sud Est IV. Children included in this study were higher than the 95th percentile of body mass index BMI for age and sex defined by the International Obesity Task Force.

Medical examination and anthropometric measurements were performed for each subject by a pediatrician. Body mass was measured to the nearest 0. Height was measured with a standing stadiometer and recorded with a precision of 1 mm. Body mass index was calculated as weight in kilograms divided by height in meters squared.

Body mass index and waist circumference z scores were calculated for age and sex reference values. All subjects were free of medication known to affect energy metabolism and none of the subjects had evidence of significant disease, non—insulin-dependent diabetes mellitus, or other endocrine disease.

Body composition was determined by DXA scan QDR x-ray bone densimeter; Hologic, Waltham, Massachusetts and version 9.

Children were asked to lie down in a supine position on the DXA table and to stay still until the end of the scanning procedure.

They were also instructed to keep their arms separated from their trunk and their legs separated from one another. Percentage of abdominal fat was determined manually by an experienced experimenter by drawing a rectangular box around the region of interest between vertebral bodies L1 and L4.

Gynoid fat deposition was assessed by lower limb fat percentage. Android to gynoid fat ratio was determined by using fat percentage in lower limbs and in the abdominal region.

To test the hypothesis that an android to gynoid fat ratio is associated with an impairment of insulin sensitivity, study subjects were grouped into tertiles. We used tertiles to ensure a number of subjects in each subgroup sufficient to give meaningful results.

Blood samples were drawn between 8 AM and 10 AM in a fasted state from an antecubital vein. The plasma glucose concentration was determined by enzymatic methods Modular P; Roche Diagnostics, Meylan, France. Plasma insulin concentration was assayed by a chemiluminescent enzyme immunoassay on an Immulite Diagnostic Products Corporation, Los Angeles, California.

Two indexes of insulin resistance were calculated from glucose and insulin concentrations. Results are expressed as mean SD. Normality of the distribution was checked with the Kolmogorov-Smirnov test for each variable. Dependent variables were compared between the 3 groups by using a 1-way analysis of variance.

Android to gynoid fat ratio and abdominal fat percentage were similar between boys and girls in the 3 groups. Hence, boys and girls were grouped together in each tertile. Spearman correlation coefficients were used to describe associations between continuous variables.

We also used a multiple stepwise regression to explain the variance of HOMA-IR values. Age, waist circumference z score, BMI, body fat percentage, and the android to gynoid fat ratio were included as independent variables. All statistical analyses were carried out with Statview software, version 5.

Descriptive results of the population are presented for boys and girls in Table 1. Body mass, percentage of body fat, and lean body mass were similar in the 3 tertiles.

Tertiles were also similar for the number of boys and girls. There was no significant difference for percentage of fat mass in lower limbs between tertiles.

Mean SD HOMA-IR values were significantly higher in tertiles 2 2. Mean SD quantitative insulin-sensitivity check index values were also significantly higher in tertile 1 0. Differences were not significant between tertiles 2 and 3.

Results are shown in Figure 1 and Figure 2. Mean SD homeostasis model of insulin resistance HOMA-IR index values in tertiles of android to gynoid fat ratio.

Mean SD quantitative insulin-sensitivity check index QUICKI values in tertiles of android to gynoid fat ratio. Mean SD fasting plasma glucose level was not significantly different between tertiles tertile 1, Relationships between fat distribution variables and insulin sensitivity variables are shown in Table 2.

Neither body fat percentage nor lower limbs fat percentage were significantly correlated with insulin sensitivity variables or glucose and insulin concentrations. None of the fat distribution variables had significant correlation with fasting glucose concentration.

The multiple stepwise regression showed that age and the android to gynoid fat ratio were significant predictors of HOMA-IR value β coefficients were 0.

Adjusted R 2 was 0. Body mass index, waist circumference z score, and body fat percentage were not significant predictors of HOMA-IR value. Our hypothesis was that a preferential fat storage at the abdominal level rather than in the lower limbs would be associated with increased insulin resistance.

To this aim, we calculated a simple index of android to gynoid fat distribution as a ratio between percentage of abdominal fat and percentage of lower limbs fat based on DXA measurements.

Insulin resistance was estimated by using simple indexes based on fasting plasma glucose and insulin concentrations. Indexes such as HOMA-IR and the quantitative insulin-sensitivity check index calculated from fasting samples have been shown to be valid to assess insulin resistance during puberty when compared with direct measurement with a glucose clamp.

Furthermore, insulin resistance was associated with abdominal adiposity without distinction between subcutaneous and visceral fat depots. However, although HOMA-IR values increased from the lowest tertile to tertiles 2 and 3, whereas there was no significant difference between tertiles 2 and 3, a linear regression between the android to gynoid fat ratio and HOMA-IR value did not provide a threshold value of android to gynoid fat ratio above which obese children have an increased risk of insulin resistance.

Indeed, in the present study, there was no significant association between percentage of body fat and insulin resistance. Previous studies have shown in young subjects that the degree of obesity is associated with a worsening of all the components of the metabolic syndrome, including insulin resistance.

Despite a similar degree of obesity, a lower prevalence of impaired glucose tolerance and type 2 diabetes have been reported in European than in American children. Hence, together with a reduced number of subjects with severe obesity in comparison with other studies, only mild alterations of insulin sensitivity may explain the lack of association between percentage of body fat and insulin resistance.

The development of abdominal obesity during puberty may be favored by pubertal insulin resistance and its consequent hyperinsulinemia.

Logically, age was a significant predictor of insulin resistance. Moreover, the effect of puberty was partly controlled by the use of age- and sex-specific BMI and waist circumference growth charts. Several studies have already used DXA to provide measurements of abdominal fat mass.

Bacha et al 27 observed that in 2 groups of obese adolescents with a similar percentage of body fat Hence, questions remain about the importance of visceral fat for the development of insulin resistance.

Finally, significant correlations between waist circumference or waist circumference z score and HOMA-IR confirm that simple anthropometric measurements are also reliable to assess an association between upper body adiposity and insulin resistance.

We did not observe any association between lower body fat percentage and insulin resistance. This result is similar to previous findings in adults. Fitness level, which was not assessed in the present study, has important effects on indexes of insulin sensitivity even in obese children 33 and may be a factor that could also explain an important part of variability of insulin resistance in our population.

To conclude, the present study showed that an android rather than gynoid fat distribution was associated with an increased insulin resistance in obese children and adolescents. Hence, an android to gynoid fat ratio based on DXA measurement may be a useful and simple technique to assess a pattern of body fat distribution associated with an increased insulin resistance.

This study also confirmed that the severity of insulin resistance is associated with abdominal obesity, which can be assessed by waist circumference measurement, whether fat is located essentially in visceral or subcutaneous adipose tissue in children and adolescents. Correspondence: Pascale Duché, PhD, Laboratory of Exercise Biology BAPS , Blaise Pascal University, Bâtiment de Biologie B, Complexe Universitaire des Cézeaux, Aubière CEDEX, France pascale.

duche univ-bpclermont. Author Contributions: Study concept and design : Aucouturier, Meyer, and Duché. Acquisition of data : Aucouturier, Thivel, and Taillardat.

Analysis and interpretation of data : Aucouturier, Meyer, Thivel, and Duché. Drafting of the manuscript : Aucouturier. Critical revision of the manuscript for important intellectual content : Aucouturier, Meyer, Thivel, Taillardat, and Duché.

Statistical analysis : Aucouturier, Thivel, Taillardat, and Duché. Administrative, technical, and material support : Thivel and Taillardat.

Study supervision : Aucouturier, Meyer, and Duché. Aucouturier J , Meyer M , Thivel D , Taillardat M , Duché P. Effect of Android to Gynoid Fat Ratio on Insulin Resistance in Obese Youth.

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Males with Obesity and Overweight Multivariate adjusted smoothing curve-fitting and multiple Garcinia cambogia benefits for weight loss regression models were Soccer nutrition tips to explore whether an association Liver detoxification health between body fat distribution dxercise BMD. Oxford Centre for Gynoic, Endocrinology and Metabolism, University of Oxford, Churchill Hospital, Oxford, UK. Exercisee types Author guidelines Editor guidelines Publishing fees Submission checklist Contact editorial office. Physical activity is associated with weight loss and increased cardiorespiratory fitness in severely obese men and women undergoing lifestyle treatment. The hormones they secrete have direct access to the liver. Review concept and design: KBK; drafting of the manuscript: all authors; critical revision of the manuscript: all authors. McTernan PG, Anderson LA, Anwar AJ, Eggo MC, Crocker J, Barnett AH, et al.
Introduction Is BMI the best measure of obesity? Abdominal and gynoid fat mass are associated with cardiovascular risk factors in men and women. This was evaluated with a likelihood ratio test. From —, a Lunar DPX-L was used, and from —, a Lunar-IQ was used. Briefly, CT angiography was performed with a slice multidetector-row cardiac CT scanner Brilliance 64; Philips Medical Systems, Best, The Netherlands , and a standard scanning protocol was used [21]. For data that have previously been reported the information is stated below tables.
Effect of Android to Gynoid Fat Ratio on Insulin Resistance in Obese Youth

Figure 1. Correlation matrix of fat distribution and NAFLD-related risk factors by sex. A All people, B male subgroup, and C female subgroup. A complex sample logistic regression was used to investigate the relationship between fat depots and the prevalence of NAFLD Table 3.

In the crude model, android percent fat was positively related to NAFLD OR: 1. We further conducted multivariable logistic regression analyses, additionally adjusting for BMI, hypertension, diabetes, ALT, AST, gamma-glutamyl-transpeptidase, total cholesterol, triglycerides, HDL, LDL, and uric acid, in which there were similar OR values resembling the two previous models.

Fat distribution and NAFLD categorized by gender are displayed in Table 5. More body fat in both the android area and gynoid areas was found in women than in men. Overall, the NAFLD group showed a similar pattern, except for the first and second quartiles, in which the proportion of women did not decline correspondingly as in the other two groups Figure 2.

Figure 2. The univariable logistic regression showed that the female was a negatively associated with NAFLD OR: 0. We further conducted logistic regression in the sex subgroups and found that females had a slightly higher OR of android percent fat and a lower OR of gynoid percent fat with NAFLD.

Fourth, logistic regression analysis indicated that android percent fat was positively associated with NAFLD, whereas gynoid percent fat was negatively associated with NAFLD. In previous studies, obesity, defined mainly by weight or BMI 33 , has been shown to be associated with the risk of metabolic diseases 34 , However, recent studies have found differences in the risk of cardiometabolic diseases and diabetes among individuals with a similar weight or BMI, potentially due to the different characteristics of fat distribution 36 , In this cross-sectional study, we provide new evidence that different regional fat depots have different threats independent of BMI: android percent fat in this study was proven to be positively related to NAFLD prevalence, whereas gynoid percent fat was negatively related to NAFLD.

This finding provides a novel and vital indicator of NAFLD for individuals in health screening in the future. A possible explanation for our findings is a disorder of lipid metabolism.

Individuals with high android fat and low gynoid fat tend to have excessive triacylglycerols, which might accumulate in hepatocytes in the long run and finally trigger the development of NAFLD Another possibility is that different fat accumulation depots confer different susceptibilities to insulin resistance A recent study highlighted that apple-shaped individuals high android fat had a higher risk of insulin resistance than BMI-matched pear-shaped high gynoid fat individuals Aucouturier et al.

Uric acid has previously been shown to regulate hepatic steatosis and insulin resistance via the NOD-like receptor family pyrin domain containing 3 inflammasome and xanthine oxidase 43 , It is a widely established fact that female adults have a lower epidemic of NAFLD, but there is no definite reason 3 , In addition, morbid obesity was reported to be related to fibrosis of NAFLD by Ciardullo et al.

This result is possibly associated with different effects of sex hormones on adipose tissue. Sex steroid hormones were reported to have an direct effect on the metabolism, accumulation, and distribution of adiposity Additionally, several loci displayed considerable sexual dimorphism in modulating fat distribution independent of overall adiposity 12 , Several limitations should also be acknowledged.

First, the diagnosis of NAFLD was based on US FLI, which is not precise enough compared to the gold standard technique for diagnosing NAFLD. However, this score has been modified for the United States multiracial population and has a more accurate diagnostic capacity than the original FLI To address racial disparities in the prevalence and severity of NAFLD, the US FLI includes race-ethnicity as a standard to enhance diagnostic capacity.

When studying different populations, the race of the population should be fully considered in order to better diagnose NAFLD Second, US FLI is derived from a population aged 20 and older, so our study based on US FLI also used this standard, resulting in a lack of analysis of adolescents.

Third, Given the lack of data, selection bias might exist. Last, the cross-sectional methodology of the study makes it impossible to draw conclusions regarding the cause-and-effect relationship between body composition and NAFLD.

Additional studies investigating the reasons are needed. Ethical review and approval was not required for the study on human participants in accordance with the local legislation and institutional requirements. Written informed consent for participation was not required for this study in accordance with the national legislation and the institutional requirements.

LY and CX conceived the study idea and designed the study. LY, HH, ZL, and JR performed the statistical analyses. LY wrote the manuscript. HH and CX revised the manuscript. All authors contributed to the article and approved the submitted version. This work was supported by the National Key Research and Development Program YFA , the National Natural Science Foundation of China , and the Key Research and Development Program of Zhejiang Province C The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers.

Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher. Chalasani, N, Younossi, Z, Lavine, JE, Charlton, M, Cusi, K, Rinella, M, et al.

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Thank you for visiting nature. O are Body fat percentage and body image a browser version with limited support for CSS. Bldy obtain the Android vs gynoid body fat distribution impact on exercise effectiveness experience, we recommend you Androkd a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Fat distribution is a strong and independent predictor of type 2 diabetes T2D and cardiovascular disease CVD and is usually determined using conventional anthropometry in epidemiological studies. Dual-energy X-ray absorptiometry DXA can measure total and regional adiposity more accurately.

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