Kinesiology Commons^™

An Exploratory Analysis Of The Role Of Sex In Load Carriage, Rachel E. Perez, Dustin R. Slivka, Brent C. Ruby

Graduate Student Theses, Dissertations, & Professional Papers

Axially loaded weight may impose a metabolic demand equivalent to that of fat mass (FM) during load carriage. Males (M) typically have a lower body fat percentage than females (F), resulting in metabolic demand differences during load carriage that may be mitigated by accounting for FM in pack loads. PURPOSE: To determine whether normalizing pack load to FM equalizes metabolic cost across sexes during load carriage. METHODS: Twenty-eight participants (14M, 23 ± 5 y, 1.81 ± 0.07 m, 78.7 ± 10.0 kg, 12.7 ± 5.4% body fat, VO₂peak 4.18 ± 0.54 L·min^-1; 14F, 22 ± 4 …

Fitness Changes, Dietary Practices And Sleep Quality In Non-Elite Through-Hikers: A Case Series, Cory J. Greever, Blayke Harrison, Holland Gaston, Anna Grexton, Dante Argento

Topics in Exercise Science and Kinesiology

Topics in Exercise Science and Kinesiology Volume 6: Issue 1, Article 13, 2025. Through-hikes on long distance backpacking routes have the potential to both improve physical fitness and pose health risks. PURPOSE: To quantify changes in cardiorespiratory fitness and body composition, while recording dietary intake and sleep habits in a sample of through-hikers. METHODS: Participants completed two lab visits consisting of a maximal graded treadmill test and body composition assessments. Hiking volume, energy expenditure, sleep duration, and sleep staging were estimated during the hike using a smart watch. Participants kept a journal of all food and beverage intake. RESULTS: Over …

Variation In Cycling Exercise Mechanical Efficiency In The Heritage Family Study, Angelo Tremblay, Claude Bouchard, Mark A. Sarzynski Facsm, James S. Skinner, Élisa Marin-Couture, Patrick Schrauwen, Guy Thibault, Marie-Eve Mathieu, Louis Pérusse

Faculty Publications

The objectives of the study were to assess the effects of cycling endurance exercise training and sex on cycling exercise mechanical efficiency (ME) and to explore its associations with body composition, glycemic profile, and skeletal muscle characteristics. Subjects were males (n = 371) and females (n = 465) of European (ED) and African descent (AD) of the HERITAGE Family Study. The measurements were repeated after a 20-week controlled endurance exercise program. A substudy involving 78 participants from 19 ED families was used to evaluate associations between skeletal muscle traits and variations in ME. An increase in ME of …

Incidence And Risk Factors Of Metabolic Syndrome In Track And Field Throwing Athletes, Taylor Browning, Samuel Headley, Elizabeth M. Mullin, Margaret T. Jones, Andrew R. Jagim, Jennifer Fields

International Journal of Exercise Science

International Journal of Exercise Science 18(6): 1199-1211, 2025. https://doi.org/10.70252/HOKT7948 Track and field (T&F) throwers are a prominent subgroup of athletes that may be at risk for the development of Metabolic Syndrome (MetSyn) and other cardiometabolic disease conditions. However, limited research exists examining the prevalence of MetSyn in these athletes. Therefore, the purpose of this study was to examine the incidence of MetSyn and associated risk factors in collegiate throwers. Collegiate Division I men (n=17) and women (n=4) T&F throwers participated in a single day of lab assessments, which included anthropometrics, body composition, blood pressure, a venous blood draw, and aerobic …

Upper Extremity Asymmetries In Collegiate Tennis Players Compared To An Athletic Control Of Runners, Elizabeth A. Cafferty, Dale R. Wagner, Brennan J. Thompson

International Journal of Exercise Science

International Journal of Exercise Science 18(3): 1151-1165, 2025. https://doi.org/10.70252/MDRK9289 Previous research on limb asymmetries of athletes participating in dominant-sided sports lacks an athletic control group. This study aimed to determine the magnitude of upper limb asymmetries in dominant-sided athletes (tennis players) compared to nondominant-sided athletes (cross-country runners). Men and women university athletes (10 tennis, 11 cross-country) participated. Dual-energy x-ray absorptiometry (DXA) was used to measure bone mineral content (BMC), bone mineral density (BMD), and lean mass (LM) of the whole body, upper extremities, and forearms. Circumference measurements were taken at mid-biceps and widest part of the forearms. Bony breadth of …

Menopause-Related Changes In Sleep And The Associations With Cardiometabolic Health: A Narrative Review, Joshua R. Sparks, Xuewen Wang Ph.D., Faha

Faculty Publications

This narrative review examines the complex relationship between sleep changes during the menopausal transition and cardiometabolic risks. The most common complaint about sleep is increased awakenings during sleep. Other complaints include having trouble falling asleep, waking up too early, insufficient and non-restorative sleep, and overall poor quality. Sleep determined using objective methods also indicates that greater awakenings after sleep onset are associated with the period of menopausal transition. Polysomnography recordings suggest physiological hyperarousal during sleep. Changes in other sleep metrics, such as sleep latency and sleep duration, are less consistent, and some studies suggest they may not worsen during the …

Comprehensive Fitness Assessment In A Professional Military Education Cohort: A Cross-Sectional Study, Daniel J. Lawson, Russell K. Lowell, C. Brooks Mobley, Katherine Frick, Nicholas C. Bordonie, Kaitlyn G. Clouse, Cameron D. Ott, Harrison C. Dimick, Nicholas R. Mauldin, Joellen M. Sefton

International Journal of Exercise Science

International Journal of Exercise Science 18(8): 811-835, 2025. Military personnel face rigorous physical and cognitive demands critical for operational readiness and long-term health. This study evaluated body composition, cognitive performance, and physical fitness metrics in non-entry-level service members to inform tailored fitness interventions. This cross-sectional study analyzed data from Air Command Staff College personnel (N = 307; 89 females, 218 males; age: 37 ± 5 years) at Air University, Maxwell Air Force Base. Participants completed assessments for body composition (body mass index [BMI], body fat percentage [%BF], fat mass index [FMI], fat-free mass index [FFMI]), flexibility (sit-and-reach test, functional reach …

Differences In Fitness Between Cadet And General Population Firefighter Academy Recruits, Scott D. Brau, David Cornell, Benjamin J. Mendelson, Rudi A. Marciniak, Kyle Ebersole

International Journal of Exercise Science

International Journal of Exercise Science 18(8): 774-793, 2025. This longitudinal study explored entry route- and age-related fitness differences between cadet (CR) and general population (GR) firefighter recruits. Fitness data were collected from eight separate firefighter recruit academy cohorts (N = 317; 122 CR, 195 GR; 27.17 ± 7.58 yrs, 177.30 ± 8.72 cm, 88.65 ± 17.78 kg). In the first week of the academy, recruits completed an assessment battery including: body composition via skinfold measures to estimate body fat (BF, %) and fat-free mass (FFM, kg); aerobic fitness (VO_2peak, mL· kg^-1· min^-1) and …

Exploring Changes In Body Composition Before And After A National Collegiate Athletic Association Division I Football Season Of Marching Artists, Noelle J. Smith, Brett Nickerson, Ronald L. Snarr, Matt P. Brancaleone

International Journal of Exercise Science

International Journal of Exercise Science 18(8): 727-735, 2025. The purpose of this study was to observe the changes in body composition of collegiate marching band artists after a competitive season NCAA Division I football season. Thirty-seven marching artists (7 females, 31 males; age: 21.5 (1.4) years; height: 177.2 (9.5) cm had body fat percentage (BF%), fat mass (FM), android adiposity, gynoid adiposity, bone mineral content (BMC), and lean soft tissue (LST) measured before and after a competitive season of Division I football. Body composition measures were conducted using single-frequency bioelectrical impedance analysis device (Quantum IV, RJL systems, Clinton MI). Pre- …

Validation Of Head Above And Head Submerged Hydrostatic Weighing Equations And Air Displacement Plethysmography, Axel M. Miller

All Graduate Reports and Creative Projects, Fall 2023 to Present

Traditional hydrostatic weighing (HW) involves full body submersion at residual volume (RV), which may be uncomfortable. Thus, the purpose of this study was to investigate a more comfortable way to perform this method. HW with the head above water (HW_HAW) was compared to the traditional method of HW with head below water (HW_HBW) and to another method that also measures density by displacement, air displacement plethysmography (ADP). Equivalence was tested by comparing the body fat percentage (BF%), body volume (Vb), and body density (Db) of 27 subjects (15 M, 12 F) between the three methods. Results …

The Effects Of A Combined Exercise Intervention On Body Composition, Gdf-15, Apelin-12, And Il-15 Among Older Korean Women According To Obesity Status, Jeongsook Kim, Eadric Bressel, Minkyo Kim, Taekyu Kim, Suhan Koh, Doyeon Kim

Kinesiology and Health Science Faculty Publications

Background: The purpose of this study was to investigate the effects of a 16-week exercise program combining aerobic and resistance training on body composition, growth differentiation factor-15 (GDF-15), apelin-12, and interleukin-15 (IL-15) in older Korean women according to obesity status. Methods: Participants were divided into obesity (n = 15) and normal-weight groups (n = 14). A walking exercise was performed at 60–70% heart rate reserve (RPE 13–15). The bodyweight resistance exercises were progressively intensified over 16 weeks. Analysis methods included two-way repeated measures ANOVA, ANCOVA, and paired and independent t-tests. Results: Significant main effects of time and …

A Comprehensive Evaluation Of Thigh Mineral-Free Lean Mass Measures Using Dual Energy X-Ray Absorptiometry (Dxa) In Young Children, Trey R. Naylor, Mariana V. Jacobs, Michael A. Samaan, Laura C. Murphy, Douglas J. Schneider, Margaret O. Murphy, Hong Huang, John A. Bauer, Jody L. Clasey

Kinesiology and Health Promotion Faculty Publications

This study aimed to (1) demonstrate the intra- and interrater reliability of quadriceps (QUADS) and hamstring (HAMS) mineral-free lean (MFL) mass measures using DXA scanning, (2) determine the association of total thigh MFL mass measures with MFL mass measures of the hamstrings and quadriceps combined and (3) analyze the association between total thigh MFL mass and total body MFL mass measures. A total of 80 young children (aged 5 to 11 yrs) participated and unique regions of interest were created using custom analysis software with manual tracing of the QUADS, HAMS, and total thigh MFL mass measures. Repeated-measure analysis of …

Comparative Effectiveness Of High-Intensity Interval Training And Moderate-Intensity Continuous Training On Cardiometabolic Health In Patients With Diabesity: A Systematic Review And Meta-Analysis Of Randomized Controlled Trials, Sameer Badri Al-Mhanna, Eric Tsz-Chun Poon, Barry A. Franklin, Mark A. Tarnopolsky, John A. Hawley, John M. Jakicic, Emmanuel Stamatakis, Jonathan P. Little, Linda S. Pescatello, Deborah Riebe, Walter R. Thompon, James S. Skinner, Sheri R. Colberg, Jonathan K. Ehrman, George S. Metsios, Helen T. Douda, Norsuhana Omar, Abdullah F. Alghannam, Alexios Batrakoulis

Human Movement Studies & Special Education Faculty Publications

Objective

To evaluate the effects of high-intensity interval training (HIIT) on cardiometabolic health-related outcomes in patients with type 2 diabetes mellitus and concurrent overweight/obesity (diabesity).

Design

Systematic review and meta-analysis of randomized controlled trials (RCTs).

Data sources

PubMed, Web of Science, Scopus, Science Direct, Cochrane Library, and Google Scholar databases were searched from inception up to January 31, 2025.

Eligibility criteria for selected studies

RCTs comparing HIIT alone ≥ 2 weeks in duration with moderate-intensity continuous training (MICT). Participants were adults with diabesity.

Results

A total of 26 RCTs qualified, involving 790 patients (50/50 female/male ratio; age: 59.8 ± 12.9 …

Impact Of Aerobic Exercise On Cardiometabolic Health In Patients With Diabesity: A Systematic Review And Meta-Analysis Of Randomized Controlled Trials, Sameer Badri Al-Mhanna, Barry A. Franklin, John M. Jakicic, Emmanuel Stamatakis, Linda S. Pescatello, Deborah Riebe, Walter R. Thompson, James S. Skinner, Sheri R. Colberg, Jonathan K. Ehrman, George S. Metsios, Norsuhana Omar, Nouf H. Alkhamees, Bodor Bin Sheeha, Abdullah F. Alghannam, Alexios Batrakoulis

Human Movement Studies & Special Education Faculty Publications

Purpose

This systematic review and meta-analysis of randomized controlled trials (RCTs) aimed to evaluate the effects of aerobic exercise on cardiometabolic health-related indices in patients with type 2 diabetes and concurrent overweight/obesity (diabesity).

Methods

PubMed, Web of Science, Scopus, Science Direct, Cochrane Library, and Google Scholar databases were searched from inception to October 2024. The search strategy included the following keywords: diabetes, aerobic exercise, and endurance training. RCTs comparing aerobic exercise training ≥2 weeks in duration to standard treatment were considered eligible. Participants were adults with diabesity.

Results

A total of 1391 middle-aged/older adult patients (55 % females) were included …

Impact Of High-Intensity Interval Training On Cardiometabolic Health In Patients With Diabesity: A Systematic Review And Meta-Analysis Of Randomized Controlled Trials, Sameer Badri Al-Mhanna, Barry A. Franklin, Mark A. Tarnopolsky, John A. Hawley, John M. Jakicic, Emmanuel Stamatakis, Jonathan P. Little, Linda S. Pescatello, Deborah Riebe, Walter R. Thompson, James S. Skinner, Sheri R. Colberg, Jonathan K. Ehrman, George S. Metsios, Helen T. Douda, Norsuhana Omar, Abdullah F. Alghannam, Alexios Batrakoulis

Human Movement Studies & Special Education Faculty Publications

Aims This systematic review and meta-analysis aimed to evaluate the effects of high-intensity interval training (HIIT) on cardiometabolic health-related outcomes in patients with type 2 diabetes and obesity (diabesity).

Methods PubMed, Web of Science, Scopus, Science Direct, Cochrane Library, and Google Scholar databases were searched from inception up to November 2024. The search strategy encompassed the following keywords: diabetes, obesity, and HIIT. Randomized controlled trials (RCTs) recruiting adult participants with diabesity and comparing HIIT per se for ≥ 2 weeks in duration with non-exercise standard treatment were included.

Results A total of 18 RCTs qualified involving 504 patients (52/48 women/men …

Protein Ingestion And High-Intensity Resistance Training Decrease Respiratory Exchange Ratio Following Exercise In Females Across Various Body Compositions., Lynnsey Bowling

Dissertations

Metabolic dysfunction is associated with excess adipose tissue and interventions to elicit improvements to body composition could combat these health consequences. Acute nutritional and exercise strategies have the potential to shift metabolic processes toward those favoring fat oxidation. The purpose of this study was to investigate the effects of high-intensity resistance training (HIRT) and pre-exercise protein (PRO) ingestion on post-exercise respiratory exchange ratio (RER) in lean (LN) and overweight (OW) females. Twenty recreationally-active females (LN: n =10; OW: n = 10) completed two experimental sessions, consisting of HIRT and two acute nutritional interventions: PRO and placebo (PLA). RER was analyzed …

The Endocrine And Body Composition Responses To Accentuated Eccentric Loading Performed In Cluster Sets During A Strength–Endurance Training Block, Kurt W. Mcdowell, Alex Long, Daniel Gahreman, D. Andrew Nelson, Nicholas J. Goode, Ryan P. Lis, Sungwon Chae, Satoshi Mizuguchi, Marten Baur, Kevin F. Breuel, Marco Duca, John P. Wagle, Andy C. Fry, Michael H. Stone

Kinesiology

Featured Application: Research on the endocrine changes from AEL training is limited, especially for long-term effects. This study suggests that combining AEL with CS might offer similar or slightly better results compared to traditional training. However, the practical challenges, such as increased training monotony and strain, may outweigh the minimal benefits. The extra cost, time, and effort required for AEL, especially in large team settings, might not be justified. Additionally, individual differences in optimal loading prescriptions could complicate its use, making traditional methods more efficient. This study investigated the endocrine responses to accentuated eccentric loading (AEL) paired with cluster sets …

International Society Of Sports Nutrition Position Stand: Ketogenic Diets, Alex Leaf, Jeffrey A. Rothschild, Tim M. Sharpe, Stacy T. Sims, Chad J. Macias, Geoff G. Futch, Michael D. Roberts, Jeffrey R. Stout, Michael J. Ormsbee, Alan A. Aragon, Bill I. Campbell, Shawn M. Arent, Dominic P. D'Agostino, Michelle T. Barrack, Chad Kerksick, Richard B. Kreider, Douglas S. Kalman, Jose Antonio

Faculty Scholarship

Position statement

The International Society of Sports Nutrition (ISSN) provides an objective and critical review of the use of a ketogenic diet in healthy exercising adults, with a focus on exercise performance and body composition. However, this review does not address the use of exogenous ketone supplements. The following points summarize the position of the ISSN:

1. A ketogenic diet induces a state of nutritional ketosis, which is generally defined as serum ketone levels above 0.5 mM. While many factors can impact what amount of daily carbohydrate intake will result in these levels, a broad guideline is a daily dietary …

Asymmetries In Ncaa Division I Tennis Players Compared To An Athletic Control Group, Elizabeth Cafferty

All Graduate Reports and Creative Projects, Fall 2023 to Present

Limb asymmetries are an expected adaptation to years of training for athletes participating in dominant-sided sports. Previous research on this topic lacks an athletic control group. PURPOSE: To determine the magnitude of upper limb asymmetries in dominant-sided athletes (tennis players) compared to nondominant-sided athletes (cross-country runners). METHODS: Male and female NCAA Division I athletes (10 tennis, 11 cross-country) participated. Dual-energy x-ray absorptiometry (DXA) was used to measure bone mineral content (BMC), bone mineral density (BMD), and lean mass (LM) of the whole body, upper extremities, and forearms. Circumference measurements were taken at mid-biceps and the widest part of the forearms. …

Fat-Free Mass Index In A Large Sample Of Collegiate American Football Athletes, Jennifer B. Fields, Margaret T. Jones, Adam Feit, Meghan K. Magee, Nicholas M. Kuhlman, Andrew R. Jagim

International Journal of Exercise Science

International Journal of Exercise Science 17(4): 129-139, 2024. High levels of fat-free mass (FFM) are favorable for athletes and are related to sport performance. However, fat-free mass index (FFMI), which includes adjustments for height, may offer a better way to characterize FFM beyond raw values. As FFMI is understudied relative to sport, the purpose of the current study was to assess position and age group differences in FFMI among collegiate American football players. National Collegiate Athletic Association DIII (n=111) football players underwent body composition assessment via bioelectrical impedance analysis. FFMI was calculated by dividing FFM by height squared. One-way analyses …

Fat-Free Mass Is Positively Associated With Urine Specific Gravity In Athletes And Active Adults: A Quantitative Review, Patrick B. Wilson, Ian P. Winter

Exercise Science Faculty Publications

Background: Urine specific gravity (USG) is a commonly used assessment method to estimate the prevalence of hypohydration, typically based on a common threshold of ≥ 1.020. Some research has shown that USG can vary based on body size and composition, but the evidence to date is limited. This review examined whether an association between fat-free mass (FFM), a component of body composition, and USG could be detected among published articles that have reported these variables in athletes and physically active individuals.

Methods: By searching Google Scholar, the authors identified a large number of published articles (n = 161) reporting anthropometrics …

International Society Of Sports Nutrition Position Stand: Long-Chain Omega-3 Polyunsaturated Fatty Acids, Alex Leaf, Jeffrey A. Rothschild, Tim M. Sharpe, Stacy T. Sims, Chad J. Macias, Geoff G. Futch, Michael D. Roberts, Jeffrey R. Stout, Michael J. Ormsbee, Alan A. Aragon, Bill I. Campbell, Shawn M. Arent Ph.D., Cscs*D, Fissn, Facsm, Fnak, Dominic P. D’Agostino, Michelle T. Barrack, Chad M. Kerksick, Richard B. Kreider, Douglas S. Kalman, Jose Antonio

Faculty Publications

Position statement: The International Society of Sports Nutrition (ISSN) provides an objective and critical review of the use of a ketogenic diet in healthy exercising adults, with a focus on exercise performance and body composition. However, this review does not address the use of exogenous ketone supplements. The following points summarize the position of the ISSN: 1. A ketogenic diet induces a state of nutritional ketosis, which is generally defined as serum ketone levels above 0.5 mM. While many factors can impact what amount of daily carbohydrate intake will result in these levels, a broad guideline is a daily dietary …

Sex Differences In Resting Metabolic Rate Among Athletes And Association With Body Composition Parameters: A Follow-Up Investigation, Andrew R. Jagim, Margaret T. Jones, Andrew T. Askow, Joel Luedke, Jacob L. Erickson, Jennifer B. Fields, Chad Kerksick

Faculty Scholarship

The purpose of this study was to examine sex differences in resting metabolic rate (RMR) and associations between measured RMR and body composition parameters in athletes. One-hundred and ninety collegiate men (n = 98; age: 20.1 ± 1.6 yr.; body mass: 92.7 ± 17.5 kg; height: 181.6 ± 6.2 cm, body mass index: 28.0 ± 4.7 kg/m2) and women (n = 92; age: 19.4 ± 1.1 yr.; body mass: 65.2 ± 11.0 kg; height: 168.0 ± 6.6 cm, body mass index: 23.0 ± 3.6 kg/m2) athletes volunteered to participate in this study. Athletes completed a body composition assessment using air …

The Effects Of Low Volume High-Intensity Interval Training Vs. Moderate-Intensity Interval Training With Blood Flow Restriction On Body Composition, Hormone Concentration, And Arterial Elasticity In Overweight And Obese Male Adults, Alexis Lopez

Theses and Dissertations

PURPOSE: This study compared the effects of HIIT and MIIT+BFR on the adaptations in body composition, salivary hormone concentration, peak oxygen uptake, anaerobic parameters, and arterial elasticity in young overweight and obese male adults.

RESULTS: There was a significant increase in total BMC (p<0.01), leg BMC (p<0.05), and trunk BMC (p<0.05) from baseline in response to HIIT. MIIT+BFR significantly increased LFM/TFM Ratio from baseline (p<0.01). HIIT significantly decreased AIx@75 (p<0.05) and CI (p<0.05). There was a significant increase in ISO 180o Away (p<0.05), Thor Begin. (p<0.01), and Thor Mid. (p<0.05) in response to HIIT. MIIT+BFR had a superior increase in Thor Mid. (p<0.05) and significantly increased ISO 180o Toward (p<0.01), VO2peak (p<0.05), and VO2peak:Time (p<0.05). In the last training session, HIIT significantly increased salivary leptin (p<0.05), but MIIT+BFR had a superior increase in salivary leptin (p<0.01) from pre- to post exercise.

CONCLUSION: HIIT significantly improved total BMC, leg BMC, trunk BMC, and AIx@75 but decreased CI from baseline. HIIT increased quad muscle strength, whereas MIIT+BFR increased hamstring muscle strength. HIIT and MIIT+BFR significantly increased peak torque in Thor Mid and salivary leptin. Only MIIT+BFR significantly improved VO2peak.

Physical Profile Of Air Force Special Warfare Trainees, Kim A. Feeney, Bridget F. Melton, Helen W. Bland, Greg A. Ryan, Cody R. Butler

International Journal of Exercise Science

International Journal of Exercise Science 16(4): 924-931, 2023. Physical fitness testing in the military is commonly used to assess whether service members are physically capable of performing the diverse physical tasks that may be required for their job. Body composition can influence an individual’s ability to physically perform. This study aimed to analyze the general physical profile of U.S. Air Force (USAF) special warfare candidates by assessing body composition results and physical assessment scores collected over the past four years. Male candidates (n = 1036) were 18.2 years to 39.5 years of age (M = 23.5, SD = …

Predictive Ability Of A 3d Body Scanning Mobile Application For Metabolic Health Risk, Caleb Brandner

Master's Theses

There is an increasing prevalence of obesity within the US and rising rates of metabolic syndrome among those aged 20-39 concurrent with a decrease in the reception of primary care. Limitations to healthcare including access, cost, and availability, highlighting the need for simple, efficient, and accessible cardiometabolic health risk screening. Given the surge in smartphone ownership over the last decade, this study sought to determine the predictive ability of a mobile 3D-optical (3DO) body composition assessment application in determining metabolic health risk. A total of 62 participants (female: 36) underwent traditional anthropometric measurements, 3DO body scanning using a smartphone application, …

Comparison Of The Accuracy Of The Bodymetrixtm Ultrasound Three-Site And Seven-Site Body Fat Percentage Tests In Active Females, Paige Prestigiacomo

Master of Science in Kinesiology

The accurate assessment of body composition can be an important aspect for individuals seeking to maintain their health and optimize performance. The BodyMetrix^TM Ultrasound (BMU) is becoming increasingly popular due to its portability, however conflicting research results regarding the accuracy are present, specifically in the female population. The purpose of this study aimed to compare the three-site and seven-site BMU in active, college-aged females to air plethysmography (BOD POD). Fourteen female participants were included in the study. The average participant was 20.29±1.54 years old, 165.46±5.51 cm tall, and 63.76±8.06 kg. Participants had all three body composition tests conducted on …

An Examination Of Inter-Limb Functional Asymmetry After A Fatiguing Bout Of Exercise In High Level Soccer Players, Nestor Urrea

Theses and Dissertations

INTRODUCTION: Inter-limb functional asymmetries greater than 15% have been linked to a greater incidence of injury. Moreover, asymmetries greater than 10% have shown greater risk of injury and worsened sport performance, especially for strength and power capabilities, in athletes of multiple sports. Fatigue and sex are factors that seem to influence injury rates as well as greater asymmetries between limbs. This research project aims to investigate the effects of a fatiguing bout of exercise in strength and power inter-limb functional asymmetries in male and female soccer players. It was hypothesized that strength and power asymmetries are negatively affected after a …

Reliability Of A Novel Automated Ultrasound Technology For Body Composition Assessment And Comparisons With Dual Energy X-Ray Absorptiometry, Adam Bradley, Lukus Klawitter, Emma Carver, Zach Johnson, Ryan Mcgrath, Sherri Stastny, Bryan Christensen, Kyle Hackney

International Journal of Exercise Science

International Journal of Exercise Science 16(4): 393-401, 2023. Body composition tools vary in reliability, portability, and accessibility. The purpose of this study was to evaluate test-retest reliability of MuscleSound® (MS) and dual-energy x-ray absorptiometry (DXA) for both two compartment (region) and three compartment (tissue) models. A secondary aim was to compare body composition values produced by both devices. Fifty participants (n = 25 male, n = 25 female) aged 18-39 years completed two body composition assessments, twice in a single session. Participants arrived at the lab after a 12-hour fast. DXA required participants to lay supine for 10-15 minutes …

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: …