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body composition and DXA

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https://www.readbyqxmd.com/read/29144272/body-composition-in-children-with-chronic-illness-accuracy-of-bedside-assessment-techniques
#1
Enid E Martinez, Craig D Smallwood, Nicolle L Quinn, Katelyn Ariagno, Lori J Bechard, Christopher P Duggan, Nilesh M Mehta
OBJECTIVE: To evaluate the accuracy of estimated fat mass and fat-free mass from bedside methods compared with reference methods in children with chronic illnesses. STUDY DESIGN: Fat mass and fat-free mass values were obtained by skinfold, bioelectrical impedance analysis (BIA), dual-energy x-ray absorptiometry (DXA), and deuterium dilution method in children with spinal muscular atrophy, intestinal failure, and post hematopoietic stem cell transplantation (HSCT)...
November 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29141853/the-effects-of-resistance-exercise-on-biomarkers-of-breast-cancer-prognosis-a-pooled-analysis-of-three-randomized-trials
#2
Kerri Winters-Stone, Lisa J Wood, Sydnee Stoyles, Nathan Dieckmann
BACKGROUND: Using a secondary data analysis from randomized controlled trials comparing one year of resistance exercise (N=109) to a placebo control condition (N=106) in postmenopausal, post-treatment breast cancer survivors, we investigated the influence of resistance training and changes in body composition on markers associated with cancer progression. METHODS: Measures included serum levels of insulin, IGF-1, IGFBP1-3, leptin, serum amyloid A (SAA), adiponectin, C-reactive protein (CRP), IL-1β, TNF-α, IL-6, and IL-8 and body composition (total, lean and fat mass in kg) by DXA at baseline, 6, and 12-months...
November 15, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29134506/the-risk-of-eating-disorders-and-bone-health-in-young-adults-the-mediating-role-of-body-composition-and-fitness
#3
Miriam Garrido-Miguel, Ana Torres-Costoso, María Martínez-Andrés, Blanca Notario-Pacheco, Ana Díez-Fernández, Celia Álvarez-Bueno, Jorge Cañete García-Prieto, Vicente Martínez-Vizcaíno
PURPOSE: To analyze the independent relationship between the risk of eating disorders and bone health and to examine whether this relationship is mediated by body composition and cardiorespiratory fitness (CRF). METHODS: In this cross-sectional study, bone-related variables, lean mass, fat mass (by DXA), risk of eating disorders (SCOFF questionnaire), height, weight, waist circumference and CRF were measured in 487 university students aged 18-30 years from the University of Castilla-La Mancha, Spain...
November 13, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/29131093/metformin-for-rapidly-maturing-girls-with-central-adiposity-less-liver-fat-and-slower-bone-maturation
#4
Francis de Zegher, Cristina García Beltrán, Abel López-Bermejo, Lourdes Ibáñez
BACKGROUND/AIMS: Girls with low-birth weight (LBW) and postnatal weight catch-up tend to develop visceral and hepatic fat excess, which may be accompanied by an upregulated adrenarche with precocious pubarche (PP) and by a rapidly progressive puberty with early menarche and shorter stature. A pilot study suggested that metformin treatment for 4 years reduces central adiposity in LBW-PP girls and normalizes puberty and adult height. In this cohort, we studied the relationship between metformin treatment, bone maturation, and body composition...
November 7, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29130710/body-fat-percentage-comparisons-between-four-methods-in-young-football-players-are-they-comparable
#5
Gabriel Lozano Berges, Ángel Matute Llorente, Alejandro Gómez Bruton, Alejandro González Agüero, German Vicente Rodríguez, José Antonio Casajús
INTRODUCTION: Dual X-ray absorptiometry (DXA), air displacement plethysmography (ADP), bioelectrical impedance analysis (BIA) and anthropometry are four body composition methods that have been frequently used for the assessment of body fat percentage (%BF) in athletes. However, the agreement between these methods has not been studied yet in adolescent football players. OBJECTIVES: The aim of this study was to compare %BF calculated by DXA, ADP, BIA and anthropometry in 92 participants...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29130706/androgen-receptor-gene-polymorphisms-and-maximal-fat-oxidation-in-healthy-men-a-longitudinal-study
#6
Jesús Gustavo Ponce González, Amelia Guadalupe-Grau, Francisco Germán Rodríguez-González, Rafael Torres-Peralta, David Morales-Alamo, Lorena Rodríguez-García, Bonifacio Nicolás Díaz-Chico, José Antonio López Calbet, Cecilia Dorado
INTRODUCTION: Androgens play a major role in fat oxidation; however, the effects of androgens depend, among other factors, on the intrinsic characteristics of the androgen receptor (AR). Lower repetitions of CAG and GGN polymorphism appear to have a protective effect on fat accumulation in the transition from adolescent to mid-twenties. Whether a similar protective effect is present later in life remains unknown. The aims of this study were: a) to evaluate if extreme CAG and GGN repeat polymorphisms of the androgen receptors influence body fat mass, its regional distribution, resting metabolic rate (RMR), maximal fat oxidation capacity (MFO) and serum leptin, free testosterone and osteocalcin in healthy adult men; and b) to determine the longitudinal effects on fat tissue accumulation after 6...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29120982/total-and-segmental-body-composition-examination-in-collegiate-football-players-using-multifrequency-bia-and-dxa
#7
Christiana J Raymond, Donald R Dengel, Tyler A Bosch
The current study examined the influence of player position on the agreement between multi-frequency bioelectrical impedance analysis (MfBIA) and dual X-ray absorptiometry (DXA) when assessing total and segmental percent body fat (BF%), fat mass (FM), and fat-free mass (FFM) in NCAA Division I collegiate football athletes. Forty-four male collegiate athletes (age=19±1 yrs; height=1.9±1.0 m; weight=106.4±18.8 kg) participated. Player positions included: offensive linemen (OL; n=7), tight ends (TE; n=4), wide receivers (WR; n=9), defensive linemen (DL; n=6), defensive backs (DB; n=8), linebackers (LB; n=6), and running backs (RB; n=4)...
November 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29110742/development-and-validation-of-anthropometric-prediction-equations-for-lean-body-mass-fat-mass-and-percent-fat-in-adults-using-the-national-health-and-nutrition-examination-survey-nhanes-1999-2006
#8
Dong Hoon Lee, NaNa Keum, Frank B Hu, E John Orav, Eric B Rimm, Qi Sun, Walter C Willett, Edward L Giovannucci
Quantification of lean body mass and fat mass can provide important insight into epidemiological research. However, there is no consensus on generalisable anthropometric prediction equations to validly estimate body composition. We aimed to develop and validate practical anthropometric prediction equations for lean body mass, fat mass and percent fat in adults (men, n 7531; women, n 6534) from the National Health and Nutrition Examination Survey 1999-2006. Using a prediction sample, we predicted each of dual-energy X-ray absorptiometry (DXA)-measured lean body mass, fat mass and percent fat based on different combinations of anthropometric measures...
November 7, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/29108552/effect-of-body-fat-and-gender-on-body-temperature-distribution
#9
Eduardo Borba Neves, Ana Carla Chierighini Salamunes, Rafael Melo de Oliveira, Adriana Maria Wan Stadnik
It is well known that body composition can influence peripheral heat loss and skin temperature. That the distribution of body fat is affected by gender is well known; however, there is little information on how body composition and gender influences the measure of skin temperature. This study evaluated skin temperature distribution according to body fat percentage (BF%) and gender. A sample of 94 apparently healthy volunteers (47 women and 47 men) was assessed with Dual-Energy X-Ray Absorptiometry (DXA) and infrared thermography (mean, maximum and minimum temperatures - TMean, TMax and TMin)...
December 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29101669/25oh-vitamin-d-levels-in-pediatric-patients-affected-by-prader-willi-syndrome
#10
D Fintini, S Pedicelli, S Bocchini, C Bizzarri, G Grugni, M Cappa, A Crinò
PURPOSE: Obesity, insulin resistance, and puberty seem to influence and been inversely associated with 25-hydroxy vitamin D (25OHD) levels. To our knowledge, a study on 25OHD in children and adolescents with Prader-Willi syndrome (PWS), a genetic form of obesity, is not yet available. OBJECTIVE: To analyze the 25OHD values in pediatric PWS subjects in comparison with a control group (CNT), highlighting the possible correlations with IR, BMD, body composition, pubertal stage, and GH therapy (GHT)...
November 3, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29096403/impact-of-lean-mass-and-bone-density-on-glomerular-filtration-rate-estimation-in-people-living-with-hiv-aids
#11
Corinne Isnard Bagnis, Laurence Pieroni, Rachida Inaoui, Philippe Maksud, Stéphanie Lallauret, Marc-Antoine Valantin, Roland Tubiana, Christine Katlama, Gilbert Deray, Marie Courbebaisse, Jérôme Tourret, Sophie Tezenas du Montcel
CONTEXT: Chronic kidney disease is a frequent complication in persons living with HIV/AIDS. Although previous studies have suggested that the CKD-EPI formula is appropriate to estimate glomerular filtration rate (GFR) in HIV-positive adults with normal kidney function, the optimal way to estimate GFR in those with Stage 3 chronic kidney disease is not known. Moreover, the impact of muscle mass on creatinine level and GFR estimation is unknown. AIM AND METHODS: Our study aimed to evaluate the accuracy of different diagnostic tests available compared to the gold standard measurement of GFR...
2017: PloS One
https://www.readbyqxmd.com/read/29094074/progressive-resistance-training-in-head-and-neck-cancer-patients-undergoing-concomitant-chemoradiotherapy
#12
Camilla K Lonkvist, Anders Vinther, Bo Zerahn, Eva Rosenbom, Atul S Deshmukh, Pernille Hojman, Julie Gehl
Objectives: Patients with head and neck squamous cell carcinoma undergoing concomitant chemoradiotherapy (CCRT) frequently experience weight loss, especially loss of lean body mass (LBM), and reduced functional performance. This study investigated whether a 12-week hospital-based progressive resistance training (PRT) program during CCRT is feasible in the clinical setting before planning initiation of a larger randomized study which is the long-term goal. Study design: Prospective pilot study...
October 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29074384/body-composition-differences-between-adults-with-multiple-sclerosis-and-bmi-matched-controls-without-ms
#13
Brooks C Wingo, Hui-Ju Young, Robert W Motl
BACKGROUND: Persons with multiple sclerosis (MS) have many health conditions related to overweight and obesity, but little is known about how body composition among those with MS compares to those without MS at the same weight. OBJECTIVE: To compare differences in whole body and regional body composition between persons with and without MS matched for sex and body mass index (BMI). METHODS: Persons with MS (n = 51) and non-MS controls (n = 51) matched for sex and BMI...
October 16, 2017: Disability and Health Journal
https://www.readbyqxmd.com/read/29065054/the-importance-of-body-composition-in-the-national-hockey-league-combine-physiologic-assessments
#14
Nathan A Chiarlitti, Patrick Delisle-Houde, Ryan E R Reid, Cory Kennedy, Ross E Andersen
The National Hockey League (NHL) combine was designed to assess draft-eligible players based on body composition, speed, power, and strength. The importance of body composition in the battery of combine physical tests was investigated and differences in results based on position were explored. Thirty-seven elite male Canadian university hockey players (age = 22.86 ± 1.55 years, weight = 87.21 ± 6.52 kg, height = 181.69 ± 6.19 cm) participated in the study at the beginning of their hockey season. All participants underwent physical testing (as outlined in the 2016 NHL combine) and one total body dual energy x-ray absorptiometry (DXA) scan to measure body composition...
October 23, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29062599/investigating-the-level-of-agreement-of-two-positioning-protocols-when-using-dual-energy-x-ray-absorptiometry-in-the-assessment-of-body-composition
#15
Flinn Shiel, Carl Persson, Vini Simas, James Furness, Mike Climstein, Ben Schram
BACKGROUND: Dual energy X-ray absorptiometry (DXA) is a commonly used instrument for analysing segmental body composition (BC). The information from the scan guides the clinician in the treatment of conditions such as obesity and can be used to monitor recovery of lean mass following injury. Two commonly used DXA positioning protocols have been identified-the Nana positioning protocol and the National Health and Nutrition Examination Survey (NHANES). Both protocols have been shown to be reliable...
2017: PeerJ
https://www.readbyqxmd.com/read/29046970/a-focused-evaluation-of-lumbar-spine-trabecular-bone-score-in-the-first-year-post-menarche
#16
Jodi N Dowthwaite, R Winzenrieth, N Binkley, D Krueger, T A Scerpella
Trabecular bone score, an index of lumbar spine trabecular texture, has not been explored fully in adolescent girls. Our cross-sectional analysis supported the hypothesis that "adult normal" trabecular bone score has been achieved by the end of the first year post-menarche, providing a potential screening tool, independent from bone density. INTRODUCTION: Trabecular bone score (TBS) evaluates lumbar spine (LS) trabecular texture from DXA images. Limited evidence suggests low TBS in pre-pubertal girls...
October 18, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29038669/body-composition-is-altered-in-pre-diabetic-patients-with-impaired-fasting-glucose-tolerance-results-from-the-nhanes-survey
#17
Valerie Julian, Romain Blondel, Bruno Pereira, David Thivel, Yves Boirie, Martine Duclos
BACKGROUND: Previous studies suggest that type 2 diabetes mellitus (T2DM) is associated with a loss of muscle mass but the impact of fasting blood glucose (FBG) on body composition remains underappreciated in pre-diabetic subjects. The aim of this study was to determine the influence of FBG on lean mass (LM), fat mass (FM) and their distribution (trunk vs. appendicular), separately in middle-aged men and women. METHODS: One thousand nine hundred and eleven (1,911) men (63...
November 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29035695/expression-of-macrophage-genes-within-skeletal-muscle-correlates-inversely-with-adiposity-and-insulin-resistance-in-humans
#18
Dongmei Liu, Flor Elisa Morales, Heidi B IglayReger, Mary K Treutelaar, Amy E Rothberg, Monica J Hubal, Evan P Nadler, Jacques Robidoux, Hisham Barakat, Jeffrey F Horowitz, Eric P Hoffman, Charles F Burant, Paul M Gordon
Background Local inflammation in obese adipose tissue has been shown to contribute to insulin resistance, however, the role of macrophage infiltration within skeletal muscle is still debateable. This study aimed to evaluate the association of skeletal muscle macrophage gene expression with adiposity levels and insulin sensitivity in obese patients. Methods Twenty-two non-diabetic obese patients and 23 healthy lean controls were included. Obese patients underwent a 3-month weight loss intervention. Macrophage gene expression in skeletal muscle (quantitative RT-PCR), body composition (DXA) and insulin sensitivity (homeostatic model assessment and oral glucose tolerance test) were compared between groups and their associations were analyzed...
October 16, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29031002/resistance-training-reduces-metabolic-syndrome-and-inflammatory-markers-in-older-women-a-randomized-controlled-trial
#19
Crisieli M Tomeleri, Mariana F Souza, Roberto C Burini, Cláudia R Cavaglieri, Alex S Ribeiro, Melissa Antunes, João P Nunes, Danielle Venturini, Décio S Barbosa, Luís B Sardinha, Edilson S Cyrino
BACKGROUND: There is controversial information regarding the effects of resistance training (RT) on the reduction of risk factors and metabolic syndrome (MetS)-related phenotypes, particularly, in older women. This study analyzed the effects of a 12-week RT program without dietary interventions on MetS components and inflammatory biomarkers in older women. METHODS: Fifty-three older women (70.4 ± 5.7 years; 26.7 ± 4.0 kg/m(2) ) were randomly assigned to a training group (TG, n = 26) that performed 12 weeks of RT program or a control group (CG, n = 27) that did not perform any type of physical exercise (same period)...
October 14, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/29017016/participation-in-moderate-to-vigorous-leisure-time-physical-activity-is-related-to-decreased-visceral-adipose-tissue-in-adults-with-spinal-cord-injury
#20
Chelsea A Pelletier, Maryam Omidvar, Masae Miyatani, Lora Giangregorio, B Catharine Craven
Increased visceral adiposity place individuals with chronic spinal cord injury (SCI) at increased risk of cardiometabolic disease. The purpose of this study was to identify if people with chronic SCI who participate in any moderate-to-vigorous intensity leisure time physical activity (LTPA) have lower visceral adipose tissue (VAT) area compared to those who report none. Participants included 136 adult men (n = 100) and women (n = 36) with chronic [mean (±SD) 15.6±11.3 years post injury] tetraplegia (n = 66) or paraplegia (n = 70) recruited from a tertiary rehabilitation hospital...
October 10, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
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