scholarly journals Comparison of Body Composition Assessment Techniques in Women’s Collegiate Swimmers and Divers

2019 ◽  
Vol 119 (9) ◽  
pp. A23
Author(s):  
M. Larson ◽  
M. Ludy ◽  
J. Kiss ◽  
A. Morgan
Keyword(s):  
Body Composition ◽  
Body Composition Assessment ◽  
Assessment Techniques

scholarly journals Longitudinal Changes in Body Composition Assessed Using DXA and Surface Anthropometry Show Good Agreement in Elite Rugby Union Athletes

2019 ◽  
Vol 29 (1) ◽  
pp. 24-31 ◽  
Author(s):  
Adam J. Zemski ◽  
Shelley E. Keating ◽  
Elizabeth M. Broad ◽  
Gary J. Slater
Keyword(s):  
Body Composition ◽  
Lean Mass ◽  
Standard Error ◽  
Rugby Union ◽  
Fat Free Mass ◽  
Empirical Measure ◽  
Body Composition Assessment ◽  
Longitudinal Changes ◽  
Assessment Techniques ◽  
Proportional Variation

Rugby union athletes have divergent body composition based on the demands of their on-field playing position and ethnicity. With an established association between physique traits and positional requirements, body composition assessment is routinely undertaken. Surface anthropometry and dual-energy X-ray absorptiometry (DXA) are the most common assessment techniques used, often undertaken synchronously. This study aims to investigate the association between DXA and surface anthropometry when assessing longitudinal changes in fat-free mass (FFM) and fat mass (FM) in rugby union athletes. Thirty-nine elite male rugby union athletes (age: 25.7 ± 3.1 years, stature: 187.6 ± 7.7 cm, and mass: 104.1 ± 12.2 kg) underwent assessment via DXA and surface anthropometry multiple times over three consecutive international seasons. Changes in the lean mass index, an empirical measure to assess proportional variation in FFM, showed large agreement with changes in DXA FFM (r = .54, standard error of the estimate = 1.5%, p < .001); the strength of association was stronger among forwards (r = .63) compared with backs (r = .38). Changes in the sum of seven skinfolds showed very large agreement with changes in DXA FM (r = .73, standard error of the estimate = 5.8%, p < .001), with meaningful differences observed regardless of ethnicity (Whites: r = .75 and Polynesians: r = .62). The lean mass index and sum of seven skinfolds were able to predict the direction of change in FFM and FM 86% and 91% of the time, respectively, when DXA change was >1 kg. Surface anthropometry measures provide a robust indication of the direction of change in FFM and FM, although caution may need to be applied when interpreting magnitude of change, particularly with FM.

scholarly journals Evaluation of Body Composition Assessment Techniques to Measure Adiposity in Adolescents

2013 ◽  
Vol 37 ◽  
pp. S271
Author(s):  
Munaza Jamil ◽  
Alexander Schwartz ◽  
Cedric Manlhiot ◽  
Brian W. McCrindle ◽  
Jill K. Hamilton
Keyword(s):  
Body Composition ◽  
Body Composition Assessment ◽  
Assessment Techniques

Assessment of Body Composition in Youths and Relationship to Sport

1996 ◽  
Vol 6 (2) ◽  
pp. 146-164 ◽  
Author(s):  
Linda B. Houtkooper
Keyword(s):  
Body Composition ◽  
Measurement Techniques ◽  
Bioelectrical Impedance ◽  
Fat Free Mass ◽  
Prediction Errors ◽  
Prediction Equations ◽  
Body Composition Assessment ◽  
Mineral Components ◽  
Assessment Techniques ◽  
Multiple Component

Body composition assessment techniques provide estimates of percent body fat (%BF), fat mass (FM), and fat-free mass (FFM) based on indirect assessment models and methods. Prediction equations for %BF developed using a two-component model based on adult body composition constants will overestimate %BF in youths, especially prepubescent youths. Body composition prediction equations that have been validated and cross-validated using multiple-component criterion models which include measurements of body density and the water and mineral components of FFM provide the most accurate means for assessment of body composition in youths. Use of appropriate prediction equations and proper measurement techniques, for either bioelectrical impedance or skinfolds, results in body composition estimates with standard errors of estimate (prediction errors) of 3 to 4% BF and 2.0 to 2.5 kg of FFM. Poor measurement technique and inappropriate prediction equations will result in much larger prediction errors.

scholarly journals A Qualitative Investigation of Factors Influencing the Dietary Intakes of Professional Australian Football Players

2021 ◽  
Vol 18 (8) ◽  
pp. 4205
Author(s):  
Sarah Jenner ◽  
Regina Belski ◽  
Brooke Devlin ◽  
Aaron Coutts ◽  
Thomas Kempton ◽  
...  
Keyword(s):  
Body Composition ◽  
Dietary Habits ◽  
Carbohydrate Intake ◽  
Nutrition Intervention ◽  
Dietary Advice ◽  
Dietary Intakes ◽  
Structured Interviews ◽  
Body Composition Assessment ◽  
Factors Influencing ◽  
Australian Football

(1) Background: Many professional Australian Football (AF) players do not meet recommended sports nutrition guidelines despite having access to nutrition advice. There are a range of factors that can influence players′ ability to meet their nutrition goals and awareness of the barriers players face is essential to ensure that dietary advice translates into practice. Therefore, this qualitative research study aimed to explore the factors influencing AF players’ dietary intakes and food choice. (2) Methods: Semi-structured interviews were conducted with twelve professional male AF players. (3) Results: Less experienced players restricted their carbohydrate intake to meet body composition goals, particularly during preseason and surrounding body composition assessment. During the competition season players had a greater focus on performance and placed more emphasis on carbohydrate intake in the lead up to matches. Players felt nutrition goals were easier to achieve when dietary choices were supported by their families and peers. One-on-one consultations provided by a sports dietitian were players′ preferred mode of nutrition intervention. Individualized nutrition advice is required for less experienced AF players who may be vulnerable to unsustainable dietary habits. Experienced AF players can support junior teammates by promoting positive team culture related to body composition, nutrition and performance.

scholarly journals Body composition, lipid profile and mediterranean diet adherence in cardiovascular disease patients attending a long-term exercise-based cardiac rehabilitation program during COVID-19 pandemic

2021 ◽  
Vol 28 (Supplement_1) ◽  
Author(s):  
M Linan Pinto ◽  
R Pinto ◽  
S Charneca ◽  
J Vasques ◽  
M Lemos Pires ◽  
...  
Keyword(s):  
Cardiovascular Disease ◽  
Body Composition ◽  
Lipid Profile ◽  
Mediterranean Diet ◽  
Dietary Patterns ◽  
Nutritional Intervention ◽  
Phase Iii ◽  
Body Composition Assessment ◽  
Metabolic Complications

Abstract Funding Acknowledgements Type of funding sources: None. Introduction  Cardiovascular disease (CVD) is recognized as a major public health issue and remains the leading cause of mortality worldwide. There is a clear association between adiposity, blood lipid profile, and adherence to the Mediterranean diet (MD) with the risk of CVD. However, the assessment of body composition parameters, dietary patterns and nutritional intervention in CVD patients undergoing a cardiovascular rehabilitation (CR) program remains insufficient.  Purpose  to characterize body composition, lipid profile and MD adherence in patients with CVD who were attending an exercise-based CR program during COVID-19 era.  Methods  The study was developed between October 2020 and January 2021 in a phase III centre-based CR program. Body composition was assessed by dual energy x-ray absorptiometry Hologic Explorer-W. Adherence to the MD was assessed by the 14-item MD questionnaire. Fasting blood sample was taken for measurement of lipid profile.  Results  A sample of 41 patients (mean age 64.4 ± 7.9 years, 87.8% male) was evaluated. The most prevalent CVD were coronary artery disease (89.5%) and heart failure (21.1%). The main CVD risk factors at admission in the CR program were dyslipidaemia (71.1%), hypertension (68.4%), physical inactivity (26.3%) and diabetes mellitus (21.0%). In our sample the mean body mass index was 28 ± 3.8 kg/m2, being most patients overweight (75.6%), and having a substantially increased risk of metabolic complications (85.3%) accordingly to waist-hip ratio. Body composition assessment showed that 14.6% of the patients had a body fat mass index above 90th percentile. Although only 9.8% of the patients had reduced fat free mass, 17.1% showed appendicular lean mass below the reference value. In addition, less than one third of the patients (31.7%) revealed a high adherence to the MD pattern. A sub-analysis on blood lipids (n = 26) showed that most patients had levels of LDL cholesterol (76.9%) and non-HDL cholesterol (65.4%) above the therapeutic target and 15.4% had triglycerides higher than 150 mg/dl.  Conclusion  Body composition, lipid profile and dietary patterns, play a major role in CVD secondary prevention. Our findings showed that a substantial number of CVD patients, in COVID-19 era, did not have optimal body composition, were above lipid profile targets, and had a low/medium adherence to the MD. Thus, this study highlights the relevance of nutrition on cardiometabolic status and demonstrates the crucial role of nutritional intervention as an integrated part of a long-term phase III CR program. Moreover, further research about nutritional intervention in patients undergoing CR is warranted.

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