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body composition and DXA

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https://www.readbyqxmd.com/read/28090145/total-body-composition-estimated-by-standing-posture-8-electrode-bioelectrical-impedance-analysis-in-male-wrestlers
#1
M-F Cheng, Y-Y Chen, T-R Jang, W-L Lin, J Chen, K-C Hsieh
Standing-posture 8-electrode bioelectrical impedance analysis is a fast and practical method for evaluating body composition in clinical settings, which can be used to estimate percentage body fat (BF%) and skeletal muscle mass in a subject's total body and body segments. In this study, dual-energy X-ray absorptiometry (DXA) was used as a reference method for validating the standing 8-electrode bioelectrical impedance analysis device BC-418 (BIA8, Tanita Corp., Tokyo, Japan). Forty-eight Taiwanese male wrestlers aged from 17...
December 2016: Biology of Sport
https://www.readbyqxmd.com/read/28067890/validity-of-visceral-adiposity-estimates-from-dxa-against-mri-in-kuwaiti-men-and-women
#2
A Mohammad, E De Lucia Rolfe, A Sleigh, T Kivisild, K Behbehani, N J Wareham, S Brage, T Mohammad
OBJECTIVES: The prevalence of obesity and diabetes in the Middle East is among the highest in the world. Valid measures of abdominal adiposity are essential to understanding the metabolic consequences of obesity. Dual-energy X-ray absorptiometry (DXA) is increasingly being utilised to assess body composition in population studies, and has recently been used to estimate visceral adipose tissue (VAT). The aim of this study was to determine the accuracy of DXA-derived VAT in a Middle Eastern population using magnetic resonance imaging (MRI) as the criterion measure...
January 9, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28034589/bone-variables-in-active-overweight-obese-men-and-sedentary-overweight-obese-men
#3
Georges El Khoury, Hassane Zouhal, Geneviève Cabagno, César El Khoury, Maroun Rizkallah, Ghassan Maalouf, Rawad El Hage
The aim of this study was to compare bone variables in active overweight/obese men and sedentary overweight/obese men. Thirty-seven active overweight/obese men and 45 sedentary overweight/obese men participated in this study. Weight and height were measured, and body mass index was calculated. Body composition and bone variables (bone mineral content [BMC], bone mineral density [BMD], geometric indices of hip bone strength, and trabecular bone score) were measured by DXA. Physical activity level, daily calcium intake, daily protein intake, and sleep duration were measured by validated questionnaires...
December 26, 2016: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28031025/estimation-of-prevalence-of-sarcopenia-by-using-a-new-bioelectrical-impedance-analysis-in-chinese-community-dwelling-elderly-people
#4
Hui Wang, Shan Hai, Li Cao, Jianghua Zhou, Ping Liu, Bi-Rong Dong
BACKGROUND: The aim of the present study was to validate the usefulness of the new octapolar multifrequency bioelectrical impedance analysis (BIA) for assessment of appendicular skeletal muscle mass (ASM) by comparing it with that of dual-energy X-ray absorptiometry (DXA) and to investigate the prevalence of sarcopenia in Chinese community-dwelling elderly according to Asian Working Group for Sarcopenia (AWGS) definition. METHODS: A cross-sectional study was conducted in communities of Chengdu, China...
December 28, 2016: BMC Geriatrics
https://www.readbyqxmd.com/read/28027608/portable-a-mode-ultrasound-for-body-composition-assessment-in-adolescents
#5
Wagner Luis Ripka, Leandra Ulbricht, Lucas Menghin, Pedro Miguel Gewehr
OBJECTIVES: Ultrasound (US) imaging is a low-cost, highly feasible alternative method for monitoring the nutritional status of a population; however, only a few studies have tested the body composition agreement between US and reference standard methods, especially in adolescents. The purposes of this study were to assess the agreement of portable US with a reference standard method, dual-energy x-ray absorptiometry (DXA), for body fat percentage (BF%) in adolescents and to verify whether the use of a new mathematical model, based on the anatomic thickness obtained by US, is capable of improving BF% prediction...
April 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28009530/maternal-cortisol-during-pregnancy-and-infant-adiposity-a-prospective-investigation
#6
Sonja Entringer, Claudia Buss, Jerod M Rasmussen, Karen Lindsay, Daniel L Gillen, Dan M Cooper, Pathik D Wadhwa
CONTEXT: Glucocorticoids play a key role during intrauterine development in cellular growth and differentiation. Evidence suggests that exposure to inappropriate concentrations of glucocorticoids during sensitive developmental periods may produce alterations in physiological systems that impact obesity risk. OBJECTIVE: To elucidate the magnitude and stage-of-gestation specific association of maternal cortisol concentrations during pregnancy with infant adiposity...
December 23, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28005466/seasonal-changes-in-body-composition-of-inter-county-gaelic-athletic-association-hurlers
#7
Robert W Davies, Clodagh Toomey, William McCormack, Cian O'Neill, Katie Hughes, Philip Jakeman
Longitudinal change in body composition for elite-level inter-county hurlers was reported over a single season and four consecutive seasons. Body composition measured by dual-energy x-ray absorptiometry (DXA) of 66 senior, male, outfield players was obtained. Four successive measurements were taken: off-season (OFF1), pre-season (PRE), mid-season (MID) and the off-season of the following season (OFF2). A subsample of 11 hurlers were measured at all time points over 4 consecutive seasons. DXA-derived estimates of fat and lean mass were normalised to stature for analysis (kg∙m(‒2)); data are (mean [lower: upper, 95% confidence interval])...
December 22, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27999857/association-of-dynamics-in-lean-and-fat-mass-measures-with-mortality-in-frail-older-women
#8
O Zaslavsky, E Rillamas-Sun, W Li, S Going, M Datta, L Snetselaar, S Zelber-Sagi
OBJECTIVE: The relationship between body composition and mortality in frail older people is unclear. We used dual-x-ray absorptiometry (DXA) data to examine the association between dynamics in whole-body composition and appendicular (4 limbs) and central (trunk) compartments and all-cause mortality in frail older women. DESIGN: Prospective study with up to 19 years of follow up. SETTING: Community dwelling older (≥65) women. PARTICIPANTS: 876 frail older participants of the Women's Health Initiative Observational Study with a single measure of body composition and 581 participants with two measures...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/27999850/omega-3-fatty-acids-and-vitamin-d-in-immobilisation-part-a-modulation-of-appendicular-mass-content-composition-and-structure
#9
E L Bostock, C I Morse, K Winwood, I M McEwan, G L Onambélé
OBJECTIVES: Muscle size decreases in response to short-term limb immobilisation. This study set out to determine whether two potential protein-sparing modulators (eicosapentaenoic acid and vitamin D) would attenuate immobilisation-induced changes in muscle characteristics. DESIGN: The study used a randomised, double-blind, placebo-controlled design. SETTING: The study took part in a laboratory setting. PARTICIPANTS: Twenty-four male and female healthy participants, aged 23...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/27999316/a-smartphone-application-for-personal-assessments-of-body-composition-and-phenotyping
#10
Gian Luca Farina, Fabrizio Spataro, Antonino De Lorenzo, Henry Lukaski
Personal assessments of body phenotype can enhance success in weight management but are limited by the lack of availability of practical methods. We describe a novel smart phone application of digital photography (DP) and determine its validity to estimate fat mass (FM). This approach utilizes the percent (%) occupancy of an individual lateral whole-body digital image and regions indicative of adipose accumulation associated with increased risk of cardio-metabolic disease. We measured 117 healthy adults (63 females and 54 males aged 19 to 65 years) with DP and dual X-ray absorptiometry (DXA) and report here the development and validation of this application...
December 17, 2016: Sensors
https://www.readbyqxmd.com/read/27989649/muscle-mass-is-associated-with-incident-fracture-in-postmenopausal-women-the-ofely-study
#11
E Sornay-Rendu, F Duboeuf, S Boutroy, R D Chapurlat
The relationships between body composition and bone mineral density are well established but the contribution of body composition to the risk of fracture (Fx) has rarely been evaluated prospectively. We analyzed the risk of Fx by body composition in 595 postmenopausal women (mean age 66±8years) from a longitudinal cohort study (Os des Femmes de Lyon). We assessed the risk of the first incident fragility Fx according to body composition obtained from whole-body DXA: abdominal visceral (VFAT) and subcutaneous fat mass (SFAT), total body fat mass (FM), lean mass index (LMI) and appendicular skeletal muscle mass index (ASMI)...
October 27, 2016: Bone
https://www.readbyqxmd.com/read/27989516/analysis-of-relationship-of-high-fat-mass-and-low-muscle-mass-with-lipid-profile-in-brazilians-aged-80-years-or-over
#12
Vanessa Ribeiro Dos Santos, Diego Giulliano Destro Christofaro, Igor Conterato Gomes, Juliana Viezel, Ismael Forte Freitas, Luís Alberto Gobbo
AIM: To analyze the lipid profile of older people aged ≥80 years according to body composition (high fat mass, low muscle mass and both). MATERIAL AND METHOD: The sample consisted of 113 older people aged ≥80 years. The assessment of body composition was made using Dual Energy X-ray Absorptiometry (DXA) and the lipid profile analysis using an enzymatic colorimetric kit. We used Analysis of Variance (ANOVA) test to compare the mean of lipid profile according to body composition and were constructed logistic regression models to verify the association between these two variables...
December 13, 2016: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/27979755/effects-of-non-nutritive-sweetened-beverages-on-appetite-during-active-weight-loss-switch-protocol-for-a-randomized-controlled-trial-assessing-the-effects-of-non-nutritive-sweetened-beverages-compared-to-water-during-a-12-week-weight-loss-period-and-a-follow
#13
U Masic, J A Harrold, P Christiansen, D J Cuthbertson, C A Hardman, E Robinson, J C G Halford
BACKGROUND: Acute and medium-term intervention studies suggest that non-nutritive sweeteners (NNS) are beneficial for weight loss, however there is limited human data on the long-term effects of consuming NNS on weight loss, maintenance, and appetite. Further research is therefore required to elucidate the prolonged impact of NNS consumption on these outcome measures. METHODS/DESIGN: A randomized parallel groups design will be used to assess whether regular NNS beverage intake is equivalent to a water control in promoting weight loss over 12-weeks (weekly weight loss sessions; Phase I), then supporting weight maintenance over 40-weeks (monthly sessions; Phase II) and subsequently independent weight maintenance over 52-weeks (Phase III) in 432 participants...
December 12, 2016: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/27976618/relationship-between-body-composition-and-bone-mineral-density-related-to-physical-activity-in-elderly-women
#14
Muriel Levesque, Marie Ndangang, Typhaine Riaudel, Laure de Decker, Jacques Benichou, Gilles Berrut
Changes in body composition, including a decrease in muscle and bone mass, accompany aging. Analyse the influence of lean mass on bone mineral density, related to physical activity, in elderly women. 37 women were included in this study via an osteoporosis consultation. Body composition and bone mineral density (BMD) measurements were performed using Dual-energy X-ray absorptiometry methodology (DXA). The BMD was measured at the femoral neck. Each participant had a physical activity test to respond and had to perform handgrip, a four meter walk and one leg balance...
December 1, 2016: Gériatrie et Psychologie Neuropsychiatrie du Vieillissement
https://www.readbyqxmd.com/read/27956899/body-composition-in-adult-patients-with-thalassemia-major
#15
Marianna Vlychou, Evangelos Alexiou, Paschalis Thriskos, Ioannis Fezoulidis, Katerina Vassiou
Objective. To assess body composition in adult male and female patients with thalassemia major by dual-energy X-ray absorptiometry (DXA) and to compare the findings with a group of healthy age-matched controls. Methods. Our study group included sixty-two patients (27 males, mean age 36 years, and 35 females, mean age 36.4 years) and fifteen age-matched healthy controls. All patients had an established diagnosis of thalassemia major and followed a regular blood transfusion scheme since childhood and chelation treatment...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27898642/manipulation-of-muscle-creatine-and-glycogen-changes-dxa-estimates-of-body-composition
#16
Julia L Bone, Megan L Ross, Kristyen A Tomcik, Nikki A Jeacocke, Will G Hopkins, Louise M Burke
: Standardising a dual x-ray absorptiometry (DXA) protocol is thought to provide a reliable measurement of body composition. PURPOSE: We investigated the effects of manipulating muscle glycogen and creatine content independently and additively on DXA estimates of lean mass. METHOD: Eighteen well-trained male cyclists undertook a parallel group application of creatine loading (n=9) (20 g/d for 5 d loading; 3 g/d maintenance) or placebo (n=9) with crossover application of glycogen loading (12 v 6 g/kg BM/d for 48 h) as part of a larger study involving a glycogen-depleting exercise protocol...
November 28, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27881458/dosage-of-estradiol-bone-and-body-composition-in-turner-syndrome-a-5-year-randomized-controlled-clinical-trial
#17
Line Cleemann, Kirsten Holm, Hanne Kobbernagel, Bent Kristensen, Sven Oluf Skouby, Andreas Kryger Jensen, Claus H Gravholt
OBJECTIVE: Reduced bone mineral density (BMD) is seen in Turner syndrome (TS) with an increased risk of fractures, and body composition is characterized by increased body fat and decreased lean body mass. To evaluate the effect of two different doses of oral 17B-estradiol in young TS women on bone mineral density (BMD), biochemical markers of bone turnover and body composition with the hypothesis of a positive effect of the higher dose. DESIGN: A double-blind 5-year randomized controlled clinical trial...
February 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27881116/concurrent-agreement-between-an-anthropometric-model-to-predict-thigh-volume-and-dual-energy-x-ray-absorptiometry-assessment-in-female-volleyball-players-aged-14-18-years
#18
Óscar M Tavares, João Valente-Dos-Santos, João P Duarte, Susana C Póvoas, Luís A Gobbo, Rômulo A Fernandes, Daniel A Marinho, José M Casanova, Lauren B Sherar, Daniel Courteix, Manuel J Coelho-E-Silva
BACKGROUND: A variety of performance outputs are strongly determined by lower limbs volume and composition in children and adolescents. The current study aimed to examine the validity of thigh volume (TV) estimated by anthropometry in late adolescent female volleyball players. Dual-energy X-ray absorptiometry (DXA) measures were used as the reference method. METHODS: Total and regional body composition was assessed with a Lunar DPX NT/Pro/MD+/Duo/Bravo scanner in a cross-sectional sample of 42 Portuguese female volleyball players aged 14-18 years (165...
November 24, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27879627/dietary-intake-body-composition-and-menstrual-cycle-changes-during-competition-preparation-and-recovery-in-a-drug-free-figure-competitor-a-case-study
#19
Tanya M Halliday, Jeremy P Loenneke, Brenda M Davy
Physique competitions are events in which competitors are judged on muscular appearance and symmetry. The purpose of this retrospective case study was to describe changes in dietary intake, body mass/composition, and the menstrual cycle during the 20-week competition preparation (PREP) and 20-week post competition recovery (REC) periods of a drug-free amateur female figure competitor (age = 26-27, BMI = 19.5 kg/m²). Dietary intake (via weighed food records) and body mass were assessed daily and averaged weekly...
November 20, 2016: Nutrients
https://www.readbyqxmd.com/read/27875499/impact-of-acute-dietary-manipulations-on-dxa-and-bia-body-composition-estimates
#20
Grant M Tinsley, Flor E Morales, Jeffrey S Forsse, Peter W Grandjean
PURPOSE: To examine the effects of acute pre-assessment diets on body composition estimates obtained by dual-energy x-ray absorptiometry (DXA) and bioelectrical impedance analysis (BIA). METHODS: In a counterbalanced design, 48 males and females were provided with two one-day diets: high-carbohydrate diet (9 g CHO/kg) and very low-carbohydrate diet (1 to 1.5 g CHO/kg). For each condition, body composition was assessed in the morning after an overnight fast, in the afternoon after feeding, and the following morning after a second overnight fast...
November 21, 2016: Medicine and Science in Sports and Exercise
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