Medicine and Health Sciences Commons^™

Body Fat Percentage Estimation From Smartphone Three-Dimensional Optical Imaging, Christine M. Florez, Christian Rodriguez, Madelin R. Siedler, Ethan Tinoco, Grant M. Tinsley

International Journal of Exercise Science: Conference Proceedings

Body composition is an important component of overall health. The development of digital assessment methods has led to increased interest in devices that allow users to monitor their own body composition. Smartphone applications with three-dimensional optical imaging (3DO) capabilities are a user-friendly technology capable of predicting percent body fat (BF%) from relevant body measurements. PURPOSE: To determine the validity of two BF% equations using smartphone 3DO data, as compared to a 4-compartment (4C) model criterion, and to produce a new BF% estimation equation. METHODS: At a single laboratory visit, 60 participants (28 F, 32 M; [mean ± SD] …

Bmi Superior To Fat-Free Mass Index And Fat Mass Index For Predicting Arterial Stiffness In College Students, Amanda Callaghan, Kennedy Kerbs, Kyndal Downing, Zachary Zeigler

International Journal of Exercise Science: Conference Proceedings

Arterial stiffness is a significant predictor of cardiovascular disease and mortality. Body mass index (BMI) has been used to predict cardiovascular disease outcomes but does not consider fat and lean mass. Fat mass index (FMI) and fat-free mass index (FFMI) may be superior to BMI in predicting arterial stiffness because it considers body composition. PURPOSE: This study aims to determine if FFMI and FMI are superior to BMI at predicting arterial stiffness in college students. METHODS: Participants came into the exercise physiology lab, signed consent, and then had anthropometric measurements of height and weight taken, as well as …

Effects Of Body Composition On Weight-Bearing Staging In Firefighters: Based On Linear, Pls Regression Model Analysis, Hongye Li

International Journal of Physical Activity and Health

Firefighters are often exposed to traumatic events such as high temperatures, heavy fumes, and toxic gases during rescue services. The challenges require firefighters to have a higher level of physical performance compared to a typical person. In urbanized settings, weight-bearing staging is a necessary skill for firefighters. Currently, research has found a positive correlation between firefighter body composition and occupational activity performance. This study aims to examine effects of body composition on the weight-bearing staging performance of firefighters, providing guidance for firefighters' daily training routines. Participants were 47 male firefighters in Yangjiang City, Guangdong Province (age: 25.2 ± 3.9; height: …

Feasibility And Reliability Of Health-Related Physical Fitness Tests In Children And Adolescents With Hearing Impairment, Jiafu Huang, Jianmei Yang, Justin A. Haegele, Lijuan Wang, Sitong Chen, Chunxiao Li

Human Movement Sciences & Special Education Faculty Publications

Although research supports the feasibility and reliability of health-related physical fitness (HRPF) tests in typically developing children and adolescents, little is known regarding the feasibility and reliability of these tests for those with hearing impairments (HI). The aim of this study was to evaluate the feasibility and reliability of a HRPF test battery for children and adolescents with HI. A test–retest design with a one-week interval was conducted with 26 participants with HI (mean age: 12.7 ± 2.8 years; 9 male). The feasibility and reliability of seven field-based HRPF tests (i.e., body mass index, grip strength, standing long jump, vital …

How Does Body Composition Predict The Performance Of Rotc Cadets On The Acft, Annika C. Grams, Ruth Larson, Payton Price, Sofia Harman, Sara Thomasson, Kaitlyn Wabakken, Katelynn Brock, Zachary Zeigler, Anthony Acevedo

International Journal of Exercise Science: Conference Proceedings

The Army Combat Fitness Test (ACFT) is a newly developed test assessing U.S. Army soldiers' combat readiness. Body composition characteristics vary between soldiers and could affect performance outcomes. The purpose of this cross-sectional study is to determine whether fat-mass and fat-free-mass can predict performance outcomes of the ACFT in ROTC cadets. Methods: ROTC cadets (31 males, 21 females; aged 20.5 ± 2.2 years) completed the 6-event ACFT (3-repetition maximum trap-bar deadlift [MDL], standing power toss [SPT], hand-release pushups [HRPU], sprint-drag-carry shuttle run [SDC], plank [PLK], and 2-mile run [2MR]). The cadets were invited into the laboratory for measurements of anthropometrics …

Body Composition And Psychophysical Well-Being Of Women Practicing Yoga, Aneta Omelan, Justyna Wiśniewska, Robert Podstawski

Baltic Journal of Health and Physical Activity

Introduction: This study characterized yoga as a form of free-time physical activity by analyzing and evaluating the body composition of women who regularly practice yoga, and by describing the effect of yoga on their psychophysical health. Material and Methods: The study involved 94 women: 56 yoga practitioners and 38 Zumba participants. The subjects were surveyed with a questionnaire to elicit information about their socioeconomic status. Body composition was determined by bioelectrical impedance analysis. Differences were assessed with two-tailed chi-square tests and Student’s t-tests. Results: The vast majority of the participants (89%) felt a positive influence of yoga on their mental …

Differentiation Of The Body Composition In The Polish National Team Pentathletes, Wladyslaw Jagiello, Roman M. Kalina, Marina Jagiello

Baltic Journal of Health and Physical Activity

Background: Contemporary anthropological research confirms the fact that body composition is one of the elements differentiating athletes from persons not practising sport systematically. The differences in body composition – in many cases even extreme – also regard athletes in the context of the sports discipline they practise. The aim of the study was to determine the properties of body composition of the Polish national team pentathletes in comparison to persons of the same population not practising competitive sport. Material/Methods: The research comprised members of the Polish national team in modern pentathlon (n=10). The subjects were 18-23 (20±1.5) years of age …

Comparison Of Various Physical And Body Composition Profiles Between Indian Elite Male And Female Gymnasts, Tamoghni Manna, Arush Goswami, Subhra Karmakar Chatterjee, Meenu Dhingra, Swapan K. Dey

Baltic Journal of Health and Physical Activity

The present study aimed to compare various physical and body composition profiles of Indian male and female gymnasts and also to compare the above parameters with their international/national peers. The study was conducted on 15 male (age = 19.2 ±3.75 years) and 16 female Indian gymnasts (age = 16.4 ±2.99 years). Various physical and body composition parameters were measured using standard methods. The female gymnasts were found to have a higher amount of fat mass and volumes of extracellular water than their male and international peers while the males had a higher amount of fat free mass than females but …

Comparison Of Body Composition, Physical Fitness Parameters And Skeletal Muscle Damage Indices Among Young Indian Male Soccer & Hockey Players, Surojit Sarkar, Subhra Karmakar Chatterjee, Swapan K. Dey

Baltic Journal of Health and Physical Activity

Background: ‪The present study was aimed to evaluate the evidential comparison of anthropometric, body composition, and physical fitness parameters and muscle damage indices between soccer and field hockey players. Material and methods: ‪Forty-one young Indian male players (including soccer, N = 18, and hockey, N = 23) were evaluated for anthropometric parameters (height, weight, BMI, BMR), and physical fitness variables (grip strength, back strength, flexibility, VO2max, anaerobic power) using standard procedures. Body composition (fat mass, fat free mass, cell mass, muscle mass, fluid content, glycogen, minerals, body density) was assessed by using multi-frequency bioelectrical impedance analyzer (BIA). Muscle damage indices …

Physical Performance, Body Composition And Body Balance In Relation To National Ranking Positions In Young Polish Tennis Players, Mateusz Karnia, Tomasz Garsztka, Mateusz Rynkiewicz, Tadeusz Rynkiewicz, Piotr Zurek, Marcin Luszczyk, Ewelina Sledziewska, Ewa Ziemann

Baltic Journal of Health and Physical Activity

Background: The purpose of this study was to determine the relationship between body composition, aerobic capacity and the balance in young tennis players at rest and during fatigue triggered by an endurance test. Moreover, we tried to find the correlation between the tennis ranking position and the balance. Material/Methods: Well-trained 16 young tennis players (15 and 17 years old, singles national ranking 3-39, average training experience of 9 years) took part in this study. They were assigned to two groups according to their age – 15 TG and 17 TG. Participants completed the same battery of body composition, aerobic, and …

The Relation Between Selected Anthropometric Variables And The Sports Results Of Early Pubescent Swimmers, Grzegorz Bielec, Daniel Jurak

Baltic Journal of Health and Physical Activity

Background: Relationships between anthropometric parameters and sports results in swimming are well documented, but only few studies concern young athletes. Scientific evidence does not indicate definitely which anthropometric variables determine swimming performance among pubertal athletes. Material and methods: Forty-one swimmers at the mean age of 12.2 years (including 15 females) were examined. Body composition was assessed with a Tanita BC 545N device. Body height, hand length, hand width and arm span were also measured. Anthropometric data were compared to results of 50 m freestyle and 200 m individual medley. Results: Calculations made by Pearson’s coefficient revealed significant correlations between body …

Effects Of 8-Week Ketogenic Diet On Anthropometrics, Body Composition, Metabolic Parameters, And Psychological Factors In Young Obese Population, Hayden G. West, Soon-Mi Choi, Frank B. Wyatt, Michael W. Olson

International Journal of Exercise Science: Conference Proceedings

Obese have a significantly higher Body Mass Index (BMI), which can be associated with poor nutritional intake and sedentary lifestyles. The ketogenic diet is a form of a dietary intervention which is often implemented for metabolic syndrome individuals such as obese populations. PURPOSE: The purpose of this study was to measure the effects of a ketogenic diet on anthropometrics, body composition, metabolic parameters, and psychological factors in young obese population. METHODS: Seven young obese participants (n=7, height (cm); 174.8 ± 10.9, weight (kg); 105 ± 20.7, BMI (kg∙m^-2); 34.6 ± 4.8) completed an 8-week intervention with …

The Effects Of Body Composition On Resting Metabolic Rate Among College Aged Students, Natalie A. Delgadillo, Frank Wyatt, Michael W. Olson, Soon-Mi Choi

International Journal of Exercise Science: Conference Proceedings

Resting metabolic rate (RMR) is the measure of daily energy expenditure while the body is at rest. RMR is becoming more useful in order to measure the energy demands in both athletes and non-athletes. PURPOSE: The purpose of this study is to analyze the RMR among college aged students, along with their body compositions in order to determine if there is a correlation between body fat percentage and RMR. METHODS: Participants in this study included 19 students at Midwestern State University between the ages of 19-25. (n = 19; female = 12; male = 7). Participants were asked prior …

Body Composition Estimation In Youth Athletes: Agreement Between Two-Component Methods, Patrick S. Harty, Abby Ambrosius, Christopher Dodge, Brandon Merfeld, Chinguun Khurelbaatar, Makenna Carpenter, Madelin Siedler, Matthew Stratton, Christian Rodriguez, Jacob Green, Dale Keith, Jake Boykin, Andrew R. Jagim, Grant M. Tinsley

International Journal of Exercise Science: Conference Proceedings

Body composition techniques such as skinfold measurements, air displacement plethysmography, and underwater weighing are commonly performed in athletic populations, particularly in youth athletes who may not have access to other laboratory methods. However, little is known whether such body composition estimates can be directly compared across techniques. PURPOSE: To determine the agreement between common two-component (2C) body composition techniques. METHODS: 90 youth athletes (Males: 39; Females: 51; Age: 18.2 ± 2.4 years; Height: 172.0 ± 9.9 cm; Body Mass: 69.0 ± 12.5 kg; Underwater Weighing [UWW] Body Fat Percentage [%BF]: 20.2 ± 7.0%) participated in this study. 2C …

Associations Of Changes In Body Composition And Athletic Performance In Collegiate American Football Players, Jake Boykin, Dale Kieth, Christine Harrison, Javier A. Zaragoza, Jessica Prather, Matthias Tinnin, Lemuel W. Taylor Iv, Grant M. Tinsley

International Journal of Exercise Science: Conference Proceedings

Football practitioners ubiquitously employ offseason resistance training to improve on-field performance. Early offseason training is frequently designed to emphasize accretion of lean and total body mass. While this is a main objective of sport-specific conditioning, there are few investigations comparing correlated changes in body composition, maximal strength, and football-specific performance tests after an early-offseason training program. PURPOSE: The purpose of this analysis was to quantify the relationship between changes in athletic performance and body composition in collegiate American football players. METHODS: Before and after a 7-week offseason training program, body composition and athletic performance were assessed in NCAA Division III …

Relationship Between Changes In Upper Body Fat-Free Mass And Bench Press Performance In American Football Players, Dale S. Keith, Jake R. Boykin, Christine M. Harrison, Javier A. Zaragoza, Jessica Prather, Matthias Tinnin, Lem W. Taylor, Grant M. Tinsley

International Journal of Exercise Science: Conference Proceedings

Horizontal pushing strength and strength endurance are relevant attributes for blocking and block shedding in American football. Since most positions in American football require the ability to either block or shed a block, and since bench press repetitions to failure (RTF) with 225 pounds is a component of the NFL draft combine, improving horizontal pushing strength and strength endurance have been key areas of emphasis for strength and conditioning coaches working with these athletes. PURPOSE: The purpose of this analysis was to quantify the relationship between changes in upper body fat-free mass (FFM) and metrics of bench press performance …

Comparison Of Laboratory-Grade And Consumer-Grade Hand-To-Foot Bioelectrical Impedance Analyzers For Body Composition Estimation, Gabrielle C. Dehaven, Madelin R. Siedler, Christian Rodriguez, Sarah White, Abegale D. Williams, Patrick S. Harty, Matthew T. Stratton, Dale Keith, Jacob Green, Jake Boykin, Grant M. Tinsley

International Journal of Exercise Science: Conference Proceedings

Bioelectrical impedance analysis (BIA) is a simple and effective technique to estimate body composition, including body fat percentage (BFP). While these analyzers are a popular method of describing a person’s body composition, laboratory-grade devices are expensive and inaccessible to most people. As a result, they may be an unrealistic method for consumers to use. However, consumer-grade devices are increasingly available. PURPOSE: The purpose of this study was to compare laboratory-grade and consumer-grade bioelectrical impedance analyzers. METHODS: Seventy-five adults (40 F, 35 M) were evaluated using a laboratory-grade, hand-to-foot, multifrequency bioelectrical impedance analyzer (BIA_LAB; Seca mBCA 515) …

Validity Of Hand-To-Foot And Foot-To-Foot Consumer Bioimpedance Analyzers: A Four-Compartment Model Comparison, Sarah J. White, Madelin R. Siedler, Christian Rodriguez, Abegale D. Williams, Gabrielle Dehaven, Patrick S. Harty, Matthew T. Stratton, Dale Keith, Jacob Green, Jake Boykin, Grant M. Tinsley

International Journal of Exercise Science: Conference Proceedings

Body fat percentage (BF%) is a useful variable for predicting disease risk and determining overall fitness. Consumer-grade bioimpedance analyzers seek to provide accurate body composition data while remaining affordable and accessible. PURPOSE: The purpose of this study was to compare body fat percentages obtained from hand-to-foot and foot-to-foot consumer bioimpedance analyzers to a gold standard 4-compartment (4C) model. METHODS: Seventy-five adults (40 F, 35 M; age: 27.2 ± 7.3 y; height: 168.1 ± 8.8 cm; BM: 72.1 ± 16.6 kg; 4C model BF%: 25.0 ± 9.2%) were evaluated by a 4C model, a consumer-grade hand-to-foot bioimpedance analyzer (BIA-HF; …

Body Composition And Fitness Characteristics From Structural Firefighters In A Health And Wellness Program: Differences According To Injury Status And Location, Tomas J. Ruvalcaba, Daniel Higuera, Robin (Rob) Marc Orr, J. Jay Dawes, Kristina A. Ross, Robert G. Lockie

International Journal of Exercise Science: Conference Proceedings

Structural firefighting can put firefighters at an elevated risk for injury. Numerous health and fitness characteristics (body composition, flexibility, muscular strength and endurance, aerobic capacity) can influence the performance of fireground operations, and could help prevent injury in firefighters. PURPOSE: To analyze the differences in health and fitness between healthy firefighters, and firefighters who reported a current upper-body, lower-body, or back injury. METHODS: Archival data from structural firefighters in a health and wellness program was investigated (258 males; 12 females). Body composition data included height; body mass; body mass index (BMI); body fat percentage; fat and lean body mass; waist …

Body Composition Assessment In Masters Level Swimmers, Megan E. Larson, Amy Morgan, Jessica Kiss, Mary-Jon Ludy

International Journal of Aquatic Research and Education

Body composition of collegiate swimmers has been extensively studied; however, there are limited reports of body composition among Masters swimmers. This study compared the accuracy of air displacement plethysmography (ADP) and bioelectrical impedance (BIA) to the gold standard method of underwater weighing (UWW) in Masters level swimmers. The relationship between percent body fat (%BF) and body mass index (BMI) was also assessed. Recruitment (n = 6 females, 11 males) occurred at two Masters swim clubs. Pearson correlation coefficients revealed no significant differences between ADP, BIA, and UWW (p > 0.05). For both female and male Masters swimmers, the mean %BF …

Impacts Of Menstrual Cycle Phase On Measures Of Body Composition, Kristina M. Woodford, Abigail R. Champion, Lauren E. Coleman, Heather Webb

International Journal of Exercise Science: Conference Proceedings

Fluctuations in body weight and water retention are common complaints made by many women as a result of hormonal changes that accompany menstrual cycle (MC). Specific research regarding how the different phases of the menstrual cycle may impact body composition measures have been limited, and typically are examined as a subset of other variables. As lean body tissue is approximately 73% water, fluctuations in body water due to changes in a women’s MC may influence measurements of body composition. PURPOSE: To investigate whether phases of the MC have an impact on common measures of body composition. METHODS: A total of …

Comparison Of Bioimpedance Analysis And Dual Energy X-Ray Absorptiometry In Division Iii Football Athletes, Dylan J. Birdsell, Grant Tinsley, Javier Zaragoza, Matthias Tinnin, Jessica Prather, Christine Harrison, Shay Smith, Chris Lockwood, Lem Taylor

International Journal of Exercise Science: Conference Proceedings

Body composition is an integral component of physiology and pathology, as well as an indication of how the musculoskeletal system changes over time in response to training and/or nutritional modifications. Two common methods of estimating body composition include bioelectrical impedance analysis (BIA) and dual-energy X-ray absorptiometry (DXA). There is a debate regarding the agreement between these two methods, and it is thought that the population being tested may influence the similarity of estimates obtained by these technologies. Limited data comparing these two methodologies in athletic populations are available. PURPOSE: The purpose of this study was to take examine the agreement …

Influence Of Subject Presentation On Body Composition Estimates From Dual-Energy X-Ray Absorptiometry, Air Displacement Plethysmography, And Bioelectrical Impedance Analysis, Patrick S. Harty, Matthew T. Stratton, Baylor A. Johnson, Jacob R. Dellinger, Marqui L. Benavides, Robert W. Smith, Sarah J. White, Abegale D. Williams, Christian Rodriguez, Grant M. Tinsley

International Journal of Exercise Science: Conference Proceedings

Body composition assessment devices are commonly employed to track changes associated with exercise or nutritional interventions. However, many individuals undergo body composition assessments with little to no pre-testing standardization of dietary intake or physical activity, potentially introducing error into their results. PURPOSE: To examine the validity of unstandardized body composition assessments relative to standardized assessments using three common body composition assessment devices. METHODS: Twenty-three resistance-trained males (Mean ± SD; 21.6 ± 2.6 years; 71.3 ± 6.8 kg; 177.4 ± 5.9 cm; 17.4 ± 4.1% DXA-derived percent body fat [%BF]) underwent paired body composition assessments via dual-energy x-ray absorptiometry …

The Effects Of A 16-Week Introductory Nutrition Course On Dietary Habits And Body Composition Of College Students, Emily Ashton

Theses and Dissertations--Nutrition and Food Systems

As the rates of obesity continue to increase among adolescents and young adults, adopting healthy dietary and lifestyle habits is necessary in order to prevent obesity-related chronic disease later in life. Although several studies have addressed nutrition education and its effect on weight in college students, few studies have assessed percent fat as it relates to a semester-long nutrition course. As such, the effectiveness of a formal introductory nutrition course on lifestyle habits and percent fat of college students was examined. The current study aimed to address the relationship between percent body fat and nutrition education over the course of …

3-Dimensional Scanning To Determine Body Volume And Composition With And Without A Wetsuit, Diego Mendoza, John A. Mercer, Phd, Leland Barker, Ms

Journal of Health Disparities Research and Practice

Wetsuits are designed to improve swimming performance by providing increased buoyant forces, reduced drag forces, and compressive forces on the body. Recently, 3-D scanning technology (2015 Structure Scanner, Occipital) has been used to measure body volume, and may provide an alternative method to obtaining body composition.

Purpose: Therefore, the purpose of this study is to use 3-D scanning to measure and compare body volume with and without a wet suit. Combined with mass, volume from 3-D scanning will provide density calculations for body composition analysis.

A secondary purpose of this study is to measure the difference in body composition …

Body Weight Changes Throughout The Menstrual Cycle And Their Effect Upon The Components Of Body Composition, Lovina M. Query

Dissertations and Theses

Research has shown that women experience fluctuations in body weight (BW) due to water retention and/or other processes at various times in the menstrual cycle. The purpose of this study is to measure women repeatedly throughout the course of one menstrual cycle and

(1) to confirm whether significant fluctuations in weight occur at various times and

(2) to determine whether there are significant differences in the components of body composition by hydrostatic weighing which are related to any changes in BW.

It was concluded that while significant fluctuations in BW occur at certain times in the menstrual cycle, the changes …