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Articles 91 - 120 of 651
Full-Text Articles in Entire DC Network
The Role Of The Exerkine Apelin In Age-Related Sarcopenia, Dillon R. Harris, Quinten W. Pigg, Daniela S. Inoue, Mariana Janini Gomes
The Role Of The Exerkine Apelin In Age-Related Sarcopenia, Dillon R. Harris, Quinten W. Pigg, Daniela S. Inoue, Mariana Janini Gomes
International Journal of Exercise Science: Conference Proceedings
Apelin is an exercise-induced peptide that declines with age and is positively associated with exercise-induced benefits in older individuals. This molecule may therein have a potential role in combatting sarcopenia—age-related progressive loss of muscle mass and strength—when combined with exercise; however, the molecular mechanisms behind its autocrine function remain unclear. PURPOSE: To investigate how aerobic exercise impacts skeletal muscle apelin signaling, focusing on its potential in counteracting the age-related loss of skeletal muscle. METHODS: 22 Fisher 344 male rats (3- and 21-month-old) were obtained from NIA rodent colonies. Experimental groups were randomly divided: young sedentary (Y, n=5); young …
Ai-Driven Insights From The Nfl Scouting Combine: Principal Component Analysis, K-Means Clustering, And Regression For Predicting Draft Position And Status, Benjamin P. Doyle, Sean Stanelle, Steven E. Riechman, J Bryan Mann
Ai-Driven Insights From The Nfl Scouting Combine: Principal Component Analysis, K-Means Clustering, And Regression For Predicting Draft Position And Status, Benjamin P. Doyle, Sean Stanelle, Steven E. Riechman, J Bryan Mann
International Journal of Exercise Science: Conference Proceedings
The NFL Scouting Combine provides prospective professional American football players the opportunity to demonstrate physical performance abilities and position-specific skills in a series of standardized assessments, though the current understanding of the influence of these tests on draft status and position remains unclear. PURPOSE: This study evaluates the NFL Combine's physical tests for explaining variance in performance within positions and predicting relative draft position (RDP) and draft status (DS). METHODS: Players (n=1234) were categorized into four position groups (PG) using k-means clustering: quarterbacks (QB), skill, linemen, and mid-size. Predictors included results of the six NFL Combine tests, height, weight, power, …
Acute Vs. Chronic Response To Doxorubicin Treatment With Endurance Training In Non-Tumor-Bearing Rats, Quinten W. Pigg, Dillon Harris, Daniela Sayuri Inoue, Bertha F. Polegato, Carol R. Tonon, Mariana Janini Gomes
Acute Vs. Chronic Response To Doxorubicin Treatment With Endurance Training In Non-Tumor-Bearing Rats, Quinten W. Pigg, Dillon Harris, Daniela Sayuri Inoue, Bertha F. Polegato, Carol R. Tonon, Mariana Janini Gomes
International Journal of Exercise Science: Conference Proceedings
Doxorubicin (DOX) is a chemotherapy agent widely used to treat many types of cancer; however, DOX use is limited due to its adverse effects. While cardiotoxicity is the most well-recognized issue, skeletal muscle wasting and weakness is another significant adverse effect that can decrease quality of life, manifested clinically through weakness and exercise intolerance. PURPOSE: We aimed to investigate the effects of DOX treatment on exercise intolerance and muscle function in preclinical models of both acute and chronic effects of chemotherapy using non-tumor-bearing rats. We also investigated the preventive and therapeutic effects of endurance training in these models. METHODS: …
Position-Specific Insights Into Weekly Training Load Variability In Soccer Athletes, Tyler B. Mccollum, Alexandra Brojanac, Erica Hollis, Jan-Joseph S. Rolloque, Yasuki Sekiguchi
Position-Specific Insights Into Weekly Training Load Variability In Soccer Athletes, Tyler B. Mccollum, Alexandra Brojanac, Erica Hollis, Jan-Joseph S. Rolloque, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Monitoring training load (TL) is vital for optimizing athletic performance and reducing risk of injury by identifying changes in a player's condition and workload. However, there is limited literature comparing player positions and analyzing weekly workloads in relation to internal and external load metrics. PURPOSE: (1) Compare accumulated load and training monotony in external and internal load metrics between the first (1H) and second halves (2H) of the season; (2) analyze variations in these indicators by playing positions. METHODS: 38 semi-professional players (age: 23±2.05 years; height: 186.61±44.88 cm; weight: 77.23±10.29 kg) playing in 5 positions (central defender (CD=5), …
Effects Of Acute Lower Body Resistance Exercise On Body Composition Parameters Assessed By Bioelectrical Impedance Analysis, Jayden Widener, Elizabeth Hardy, Madison Merritt, Nicholas Murphy, James Scobercea, Jack Wright, Nikolas Keratsopoulos, Christine M. Florez, Kindyle L. Brennan, Grant M. Tinsley, Jaci Kelly, Mandy E. Parra, Lemuel W. Taylor Iv
Effects Of Acute Lower Body Resistance Exercise On Body Composition Parameters Assessed By Bioelectrical Impedance Analysis, Jayden Widener, Elizabeth Hardy, Madison Merritt, Nicholas Murphy, James Scobercea, Jack Wright, Nikolas Keratsopoulos, Christine M. Florez, Kindyle L. Brennan, Grant M. Tinsley, Jaci Kelly, Mandy E. Parra, Lemuel W. Taylor Iv
International Journal of Exercise Science: Conference Proceedings
Bioelectrical Impedance Analysis (BIA) has the capability to estimate skeletal muscle mass (SMM), total body water, and body fat mass (FM) for assessment of body composition. Various factors are thought to influence the accuracy of BIA estimated body composition. PURPOSE: The purpose of this study was to investigate acute changes in BIA SMM and FM results after a prescribed lower body exercise compared to a non-exercise treatment. METHODS: Participants (n = 14; 22.71 ± 1.63 years; 169.42 ± 13.23 cm; 80.79 ± 17.71 kg) completed each trial in a randomly assigned crossover experimental design: resting conditions (REST) and …
8-Weeks Of Moderate-Intensity Aerobic Exercise Fails To Improve Vo2max In Young Adults Born Preterm, Paige M. Childress, Heather L. Vellers, Joaquin Gonzales, Danielle Levitt, Danielle Moran, Addie M. Anderton, Abigail C. Ullmann
8-Weeks Of Moderate-Intensity Aerobic Exercise Fails To Improve Vo2max In Young Adults Born Preterm, Paige M. Childress, Heather L. Vellers, Joaquin Gonzales, Danielle Levitt, Danielle Moran, Addie M. Anderton, Abigail C. Ullmann
International Journal of Exercise Science: Conference Proceedings
Individuals born preterm have significantly impaired adaptability in maximal aerobic capacity (VO2 max) with exercise training. We have hypothesized that this impaired response is linked to immature mitochondrial development and maladaptation resulting from early birth. PURPOSE: This project is multifaceted with the overarching aim to measure mitochondrial respiration in peripheral blood mononuclear cells (PBMCs) and assess for potential mitochondrial genome variants and heteroplasmy that may explain poor adaptability in VO2 max with training. The purpose of this report is to confirm poor adaptability in VO2 max in preterm adults. METHODS: This is an ongoing project. Young …
Examining The Relationship Between Competition Stress And Performance In Collegiate Rodeo Bronc Riders Through Salivary Cortisol And Heart Rate, Tyler K. Handley, Jennifer L. Zoller, Chelsie J. Huseman, Lisa Colvin, William Storer, Amanda Baxter
Examining The Relationship Between Competition Stress And Performance In Collegiate Rodeo Bronc Riders Through Salivary Cortisol And Heart Rate, Tyler K. Handley, Jennifer L. Zoller, Chelsie J. Huseman, Lisa Colvin, William Storer, Amanda Baxter
International Journal of Exercise Science: Conference Proceedings
Competition stress significantly impacts the performance of athletes across various sports. Despite its unique demands, stress in rodeo athletes remains underexplored, largely due to the sport's nomadic and individualistic nature and its prior lack of mainstream attention. While comparisons can be drawn between the intermittent structure of rodeo and mainstream sports like baseball or football, the recent surge in rodeo's popularity has increased interest in optimizing athlete performance. PUROSE: The aim of this study was to identify and compare salivary cortisol concentration (SCC) and physical workloads experienced by riders and horses in practice and competition settings. Additionally, the study aims …
Validity Of A Hydration Assessment Device For Determination Of Hydration Status, Ciriany Arrazola, Marcos Keefe, Ryan Dunn, Kelly B. Elliott, Yasuki Sekiguchi
Validity Of A Hydration Assessment Device For Determination Of Hydration Status, Ciriany Arrazola, Marcos Keefe, Ryan Dunn, Kelly B. Elliott, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Euhydration, defined as the state of optimal total body water content, is essential for maintaining proper physiological function across multiple systems and organs. However, there is currently a lack of assessment that can provide a rapid, non-invasive and cost-effective diagnosis of hydration status. PURPOSE: To evaluate the validity of the commercial accessible hydration sensor in determining hydration status compared to urine and blood indices. METHODS: Twenty-eight participants (age: 23 ± 3 yr; body mass: 73.38 ± 17.03 kg; height: 169.90 ± 9.07 cm) completed this study. Twenty participants performed the first experimental design, whereas eight participants performed the second …
Effect Of Hydration Status On Neuromuscular Performance Before And After Intermittent Exercise In The Heat, Kelly B. Elliott, Ty B. Palmer, Adam S. Lepley, Yasuki Sekiguchi
Effect Of Hydration Status On Neuromuscular Performance Before And After Intermittent Exercise In The Heat, Kelly B. Elliott, Ty B. Palmer, Adam S. Lepley, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Maintaining optimal fluid balance is essential for athletic performance and recovery, especially during exercise in the heat. However, the effect of dehydration on neuromuscular performance with intermittent exercise remains unknown. PURPOSE: To examine the effect of hydration status on neuromuscular performance before and after intermittent exercise in the heat. METHODS: Eight male soccer players (age, 21±2years; body mass, 75.5±9.1kg; maximal oxygen consumption [VO2max], 65.4±11.8mL·kg-1·min-1) completed a VO2max test to qualify for the study. Following this, they performed a familiarization trial, which included ultrasound (cross-sectional area [CSA], depth), single-leg hop (SLH), and …
Comparison Of Ncaa D1 Women’S Basketball Game Day And Previous Practice Training Loads, Kyle Jean, Karissa A. Mesquita, David Clark, Yasuki Sekiguchi
Comparison Of Ncaa D1 Women’S Basketball Game Day And Previous Practice Training Loads, Kyle Jean, Karissa A. Mesquita, David Clark, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Game day training loads in NCAA Division I Women’s Basketball players differ significantly from practice loads, emphasizing the intense physical demands of competition. Analyzing these variations is crucial for optimizing training strategies, balancing workload, and enhancing recovery. PURPOSE: Examining the game day and the previous week training load before each game in NCAA D1 Women’s Basketball players. METHODS: Eleven females (Age: 22±2years, Height: 183.41±8.92cm, Weight: 84.62±18.78kg) NCAA D1 Women’s Basketball players donned accelerometer units for games and practices from October 2023 through March 2024. Variables collected by the units include Total Distance, Duration, Accumulated Acceleration Load, High Speed …
Comparison Of 3-Dimensional Scanning And Dual-Energy X-Ray Absorptiometry For Body Composition Estimation In Muscular, Resistance-Trained Adults, Sieneh P. Francis, Christian Rodriguez, Christine Florez, Ethan Tinoco, Joao Paulo Cardoso, Jaylynn Rasco, Julia Whitson, Grant Tinsley
Comparison Of 3-Dimensional Scanning And Dual-Energy X-Ray Absorptiometry For Body Composition Estimation In Muscular, Resistance-Trained Adults, Sieneh P. Francis, Christian Rodriguez, Christine Florez, Ethan Tinoco, Joao Paulo Cardoso, Jaylynn Rasco, Julia Whitson, Grant Tinsley
International Journal of Exercise Science: Conference Proceedings
Accurate body composition analysis is crucial for a comprehensive understanding of health and performance. While dual energy X-ray absorptiometry (DXA) is a widely accepted laboratory method, 3D scanners offer a convenient alternative. However, the validity of these technologies in resistance-trained adults remains uncertain. PURPOSE: This study compared the accuracy of professional and smartphone-based 3D scanning technology with DXA for estimating fat-free mass (FFM) and body fat percentage (BF%) in muscular, resistance-trained individuals. METHODS: Resistance-trained participants who met prespecified criteria for BF% and fat-free mass index (FFMI) were evaluated using DXA (GE iDXA), a professional 3D scanner (Size Stream …
Validity Of A Portable Metabolic Analyzer For Estimating Resting Metabolic Rate In Muscular Resistance-Trained Adults, Christian Rodriguez, Christine M. Florez, Ethan Tinoco, Joao P. Cardoso, Jaylynn Rasco, Julia Whitson, Sieneh Francis, Grant M. Tinsley
Validity Of A Portable Metabolic Analyzer For Estimating Resting Metabolic Rate In Muscular Resistance-Trained Adults, Christian Rodriguez, Christine M. Florez, Ethan Tinoco, Joao P. Cardoso, Jaylynn Rasco, Julia Whitson, Sieneh Francis, Grant M. Tinsley
International Journal of Exercise Science: Conference Proceedings
An individual’s resting metabolic rate (RMR) is commonly the largest contributor to total daily energy expenditure. The accepted reference method for in vivo measurement of RMR is indirect calorimetry (IC). However, the accessibility of traditional IC analyzers is limited to select settings; therefore, portable indirect calorimeters are also applied to estimate RMR. Limited data are available to inform the validity of the VO2 Master for estimating RMR in muscular resistance-trained adults. PURPOSE: The purpose of this study was to determine the validity of the VO2 Master portable metabolic analyzer for estimating RMR in muscular resistance-trained adults. METHODS: A sample of …
Effects Of Acute Lower Body Resistance Exercise On Body Composition Parameters Assessed By Dxa, Mathis Rollin, Elizabeth Hardy, Madison Merritt, Nicholas Murphy, James Scobercea, Jack Wright, Nikolas Keratsoupoulos, Christine Florez, Kindyle L. Brennan, Grant Tinsley, Jaci Kelly, Mandy Parra, Lem Taylor
Effects Of Acute Lower Body Resistance Exercise On Body Composition Parameters Assessed By Dxa, Mathis Rollin, Elizabeth Hardy, Madison Merritt, Nicholas Murphy, James Scobercea, Jack Wright, Nikolas Keratsoupoulos, Christine Florez, Kindyle L. Brennan, Grant Tinsley, Jaci Kelly, Mandy Parra, Lem Taylor
International Journal of Exercise Science: Conference Proceedings
Dual-energy X-ray-absorptiometry (DXA) analysis has the capability to measure bone mineral content (BMC), fat mass (FM), and lean mass (LM), also known as a 3-compartment model. Various factors such as exercise, hydration status, glycogen status, and others are thought to influence the accuracy of DXA estimated body composition. PURPOSE: The purpose of this study is to investigate acute changes in DXA LM and FM results pre-and-post prescribed lower body exercise compared to a non-exercise treatment. METHODS: Participants (n = 14; 22.71 ± 1.63 years; 169.42 ± 13.23 cm; 80.79 ± 17.71 kg) completed each trial that consisted of two treatments …
Force Meets Feedback: Investigating The Impact Of Lissajous Visual Augmentation On Bimanual Coordination And Force Accuracy, Ananya Luthria, Madison M. Weinrich, Brock Balthazor, Jackson Wagner, Deanna M. Kennedy
Force Meets Feedback: Investigating The Impact Of Lissajous Visual Augmentation On Bimanual Coordination And Force Accuracy, Ananya Luthria, Madison M. Weinrich, Brock Balthazor, Jackson Wagner, Deanna M. Kennedy
International Journal of Exercise Science: Conference Proceedings
Lissajous plots are 2D visualizations that depict the interaction between two oscillating signals, illustrating their phase and frequency relationship through distinctive patterns. In the context of bimanual coordination, Lissajous plots serve as augmented visual feedback by mapping the force or motion of one limb to the x-axis and the other limb to the y-axis, providing real-time feedback on the synchronization and rhythm between the two limbs. This visual guidance helps individuals adjust their movements to achieve the desired coordination pattern, making it particularly useful in motor rehabilitation and training scenarios. PURPOSE: Determine the level of accuracy of bimanual force production …
Reliability Of Handgrip Strength Measurements And Their Relationship With Physical Performance Outcomes In Older Women, Alexandra Khartabil, Ty B. Palmer
Reliability Of Handgrip Strength Measurements And Their Relationship With Physical Performance Outcomes In Older Women, Alexandra Khartabil, Ty B. Palmer
International Journal of Exercise Science: Conference Proceedings
Handgrip strength measurements, such as peak force and rate of force development (RFD), are effective parameters at characterizing the strength capacities of numerous muscle groups in the upper and lower extremities. Previous studies have determined the reliability of handgrip peak force and RFD in young, college-aged adults. However, the reliability of these measurements in older adults remains unclear. It is also unclear if these measurements are associated with performance during sit-to-stand and medicine ball throw tests. PURPOSE: The primary aim of this study was to examine the reliability of handgrip peak force and RFD measurements in older women. A secondary …
Impact Of Years Of Experience On The Stress Responses To Firefighting, Caiti Dodge, Macilynn Coles, Annette Zapp, Ryan J. Sowinski, Steven E. Martin, Lisa C. Colvin, Matthew J. Mcallister, Drew E. Gonzalez
Impact Of Years Of Experience On The Stress Responses To Firefighting, Caiti Dodge, Macilynn Coles, Annette Zapp, Ryan J. Sowinski, Steven E. Martin, Lisa C. Colvin, Matthew J. Mcallister, Drew E. Gonzalez
International Journal of Exercise Science: Conference Proceedings
Research demonstrates that firefighters (FF) experience elevated stress levels during live fire-training evolution (LFTE) scenarios, which is posited to exacerbate cardiovascular disease (CVD) risk. However, whether these occupational stress response levels differ as an FF gains experience in the field has yet to be evaluated. PURPOSE: This study assessed the differences in stress response to a LFTE between FF with greater years of experience. METHODS: Forty-four (n=44) FF completed an annual clinical health assessment. Years of experience were used to delineate between less experienced (LOW; <6 years) and experienced FF (EXP). Salivary samples were collected baseline (BL), immediately post (POST), and 30- min post the LFTE and analyzed for α-amylase (AA), secretory immunoglobulin-A (SIgA), and cortisol (CORT). Data were analyzed via a general linear model (GLM) multivariate and univariate analysis. RESULTS: GLM analysis revealed an overall time effect (p<0.001, ηₚ²=0.216) with no group x time effect (p=0.796, ηₚ²=0.019) for the salivary stress biomarkers. The univariate analysis revealed time effects for AA (p<0.001, ηₚ²=0.244), SIgA (p<0.001, ηₚ²=0.261), and CORT (p=0.003, ηₚ²=0.133); however, no group x time effects were found for AA (p=0.481, ηₚ²=0.011), SIgA (p=0.817, ηₚ²=0.003), and CORT (p=0.511, ηₚ²=0.016). Immediately post-LFTE concentrations were significantly higher for AA (p<0.001), SIgA (p<0.001), and CORT (p=0.004) than at baseline. A significant group effect was found for AA (p=0.049, ηₚ²=0.089), with the LOW group having lower overall AA concentrations than the EXP group, whereas there were no group effects for CORT (p=0.427, ηₚ²=0.015) or SIgA (p=0.204, ηₚ²=0.038). CONCLUSION: These data demonstrate that years of experience do not impact the stress response to an LFTE. It is plausible that years of job experience can influence one’s ability to deal with occupational stress, yet future work should elucidate the impact of stress on CVD risk and occupational performance.
Impact Of The Occupational Cardiorespiratory Fitness Standard On Firefighter Health Profiles, Macilynn E. Coles, Caiti Dodge, Lisa C. Colvin, Steven E. Martin, Matthew J. Mcallister, Drew E. Gonzalez
Impact Of The Occupational Cardiorespiratory Fitness Standard On Firefighter Health Profiles, Macilynn E. Coles, Caiti Dodge, Lisa C. Colvin, Steven E. Martin, Matthew J. Mcallister, Drew E. Gonzalez
International Journal of Exercise Science: Conference Proceedings
Cardiovascular disease (CVD) is the leading cause of premature mortality in firefighters. Previous work suggests that the relationship between CVD risk and oxidative stress (OS), inflammation, poor fitness, and body composition is elevated in firefighters. Variables including body fat distribution and blood glucose and lipid profiles can be impacted by a poor fitness level. This study provides insight into the potential health benefits of maintaining occupational CRF standards in relation to variables that increase CVD risk. PURPOSE: This study investigated whether FF health profiles differ based on occupational CRF standards. METHODS: 144 FF completed an annual clinical health …
Sex Differences In Nutrient Gaps In Active Adults, Christine M. Florez, Christian Rodriguez, Philip Sapp, Jeremy Townsend, Grant M. Tinsley
Sex Differences In Nutrient Gaps In Active Adults, Christine M. Florez, Christian Rodriguez, Philip Sapp, Jeremy Townsend, Grant M. Tinsley
International Journal of Exercise Science: Conference Proceedings
In the United States, the estimated average requirement (EAR) for a nutrient indicates the average daily intake level estimated to meet the requirement of 50% of healthy individuals. As defined by the United States Department of Agriculture, a “nutrient gap” is evaluated by comparing dietary intakes with EAR values of specific nutrients. Nutrient intake <100% of the EAR indicates a nutrient gap. While nutrient gaps have been characterized in the general population, these gaps are less clearly established in active adults. PURPOSE: To evaluate the presence of nutrient gaps within an active, healthy population and to determine if there are sex differences in nutrient gaps. METHODS: The dietary intakes of healthy, active males (n=380 records) and females (n=301 records) were collected using the National Institutes …
Impact Of Age On Firefighter Health And Fitness Outcomes, Jisun Chun, Michael J. Conner, Ryan J. Sowinski, Lisa C. Colvin, Steven E. Martin, Drew E. Gonzalez
Impact Of Age On Firefighter Health And Fitness Outcomes, Jisun Chun, Michael J. Conner, Ryan J. Sowinski, Lisa C. Colvin, Steven E. Martin, Drew E. Gonzalez
International Journal of Exercise Science: Conference Proceedings
Research indicates that cardiovascular disease (CVD) risk among firefighters (FF) may be influenced by factors like oxidative stress, inflammation, low fitness levels, and body composition, with age potentially playing a role in risk variation. It is well established that age is an independent CVD risk factor, but limited data exist concerning the impact of age on FF health and fitness. PURPOSE: This study assessed the impact of CRF on the stress response to a live-fire training evolution (LFTE). METHODS: 144 FF completed an annual clinical health assessment. Shapiro-Wilk Test was used to assess normality. One-way ANOVA or Kruskal-Wallis …
Bioimpedance Minimally Improves Prediction Of Bone Mineral Density Beyond Demographic Information Alone, Julia A. Whitson, Christian Rodriguez, Christine M. Florez, Ethan Tinoco, Joao P. Cardoso, Jaylynn Rasco, Sieneh Francis, Grant M. Tinsley
Bioimpedance Minimally Improves Prediction Of Bone Mineral Density Beyond Demographic Information Alone, Julia A. Whitson, Christian Rodriguez, Christine M. Florez, Ethan Tinoco, Joao P. Cardoso, Jaylynn Rasco, Sieneh Francis, Grant M. Tinsley
International Journal of Exercise Science: Conference Proceedings
Bone mineral content (BMC) serves as an important indicator of osteoporosis risk. Traditional methods of BMC estimation include using demographic information within prediction equations, which draw from population trends but may not reflect individual variance in BMC. Dual-energy X-ray absorptiometry (DXA) provides a more accurate assessment of BMC but may pose challenges in clinical settings due to certification requirements, cost, and space requirements. Bioelectrical impedance analysis (BIA) has shown promise in correlating with BMC and may offer an intriguing alternative due to its accessibility, but its efficacy compared to traditional methods remains largely unexplored. PURPOSE: Quantify the contribution of BIA …
No Impact Of Cardiovascular Disease Risk Classification On The Stress Response To Firefighting, Kelly Hines, Ryan Sowinski, Steven E. Martin, Lisa C. Colvin, Matthew J. Mcallister, Drew E. Gonzalez
No Impact Of Cardiovascular Disease Risk Classification On The Stress Response To Firefighting, Kelly Hines, Ryan Sowinski, Steven E. Martin, Lisa C. Colvin, Matthew J. Mcallister, Drew E. Gonzalez
International Journal of Exercise Science: Conference Proceedings
Firefighters (FF) experience elevations in stress biomarkers during live-fire suppression, which is posited to exacerbate cardiovascular disease (CVD) risk. It is unclear if the physiological stress response differs between low-risk (LOW) and moderate-risk (MOD) FF classified by the American College of Sports Medicine (ACSM) standards. PURPOSE: This study assessed the differences in stress response to a live fire-training evolution (LFTE) between LOW and MOD CVD risk classification groups. METHODS: Forty-four (n=44) FF completed an annual clinical health assessment, wherein they were risk-stratified in LOW or MOD classifications based on the ACSM criteria. Saliva samples were collected baseline (BL), …
Reliability And Relationships Between Knee Extension Strength Measurements And Sit-To-Stand Performance In Older Women, Alfonzo G. Salvador, Ty B. Palmer
Reliability And Relationships Between Knee Extension Strength Measurements And Sit-To-Stand Performance In Older Women, Alfonzo G. Salvador, Ty B. Palmer
International Journal of Exercise Science: Conference Proceedings
Knee extension strength measurements, such as peak torque and rate of torque development (RTD), are important characteristics relevant to muscle function. Research has shown that knee extension peak torque and RTD measurements are reliable parameters in young, college-aged adults. It is unclear if these measurements are reliable parameters in older adults. It is also unclear if these measurements are related to sit-to-stand performance. PURPOSE: The purpose of this study was to determine the reliability of knee extension peak torque and RTD measurements and their relationship with sit-to-stand performance in older women. METHODS: Twenty healthy older women (age = …
Sex Differences In Perceptual Adaptations During Heat Acclimation In Endurance Runners, Mario I. Hernandez, Marcos S. Keefe, Ryan A. Dunn, Ruben M. Moya, Kelly B. Elliott, Yasuki Sekiguchi
Sex Differences In Perceptual Adaptations During Heat Acclimation In Endurance Runners, Mario I. Hernandez, Marcos S. Keefe, Ryan A. Dunn, Ruben M. Moya, Kelly B. Elliott, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Exercising in the heat negatively impacts performance. To combat this, heat acclimation (HA) is used to mitigate performance decrements through various physiological and perceptual adaptations. However, perceptual adaptations may differ during HA due to physiological differences between females and males. PURPOSE: To investigate perceptual adaptations between sexes during 7-day HA in endurance runners. METHODS: Seven female and four male endurance runners (age: 22 ± 5 years, body mass: 64.30 ± 7.97 kg, height: 168.00 ± 6.43 cm, maximal oxygen uptake [VO2max]: 58.30 ± 4.28 mL/kg/min; age: 21 ± 4 years, body mass: 78.63 ± 9.01 kg, …
Evaluating Rotc Cadets’ Knowledge Of General And Sports Nutrition, Sheyla Leon, Adriana Gil, Ryan Sowinski, Lisa C. Colvin, Steven E. Martin, Stella Volpe, Drew E. Gonzalez
Evaluating Rotc Cadets’ Knowledge Of General And Sports Nutrition, Sheyla Leon, Adriana Gil, Ryan Sowinski, Lisa C. Colvin, Steven E. Martin, Stella Volpe, Drew E. Gonzalez
International Journal of Exercise Science: Conference Proceedings
Reserve Officer Training Corps (ROTC) cadets regularly undergo highly stressful and physically demanding training, making adequate nutrition knowledge and eating habits essential for optimal health and physical performance. However, there is a paucity of data on ROTC cadets’ general and sports nutrition knowledge. PURPOSE: We evaluated ROTC cadets' general and sports nutrition knowledge. METHODS: Cross-sectional data were obtained from 206 ROTC cadets regarding sports performance and nutrition supplementation knowledge via the validated paper-based questionnaire, Nutrition Knowledge Questionnaire for Athletes (NKQA). The questionnaire data were analyzed using SPSS version 29 software. Shapiro-Wilk Test was used to assess normality. The correct responses …
Sex-Specific Responses Of Heat Acclimation On Running Performance In Cool Environmental Conditions, Marcos S. Keefe, Ryan A. Dunn, Kelly B. Elliott, Ruben E. Moya, Yasuki Sekiguchi
Sex-Specific Responses Of Heat Acclimation On Running Performance In Cool Environmental Conditions, Marcos S. Keefe, Ryan A. Dunn, Kelly B. Elliott, Ruben E. Moya, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Training and competing in the heat negatively impact athlete performance and health. Heat acclimation (HA) involves repeated heat exposures that many endurance athletes use to optimize performance and safety when competing in the heat. Although HA has been shown to improve endurance performance in the heat, contention remains whether it may confer these adaptations to a cool environment. PURPOSE: To Investigate physiological and performance adaptations in a cool environment following HA in endurance athletes. METHODS: Eleven high-level endurance runners (4 males [age: 21 ± 4 years; body mass: 78.63 ± 9.01 kg; height: 182.55 ± 3.97 cm; maximal …
Effect Of Improved Sleep Regularity On Subendocardial Viability Ratio In Young To Middle-Aged Adults, Gabriel Narvaez, Joaquin Gonzales
Effect Of Improved Sleep Regularity On Subendocardial Viability Ratio In Young To Middle-Aged Adults, Gabriel Narvaez, Joaquin Gonzales
International Journal of Exercise Science: Conference Proceedings
Fluctuation of the sleep/wake schedule, commonly referred to as sleep irregularity, is associated with increased risk of cardiovascular disease (CVD). Subendocardial viability ratio (SEVR) is a measure of myocardial perfusion relative to left-ventricular oxygen demand and holds clinical value as a predictor of adverse CVD events. However, little is known on how sleep irregularity could affect SEVR. PURPOSE: To test the hypothesis that a reduction in sleep irregularity would improve SEVR. METHODS: Fourteen adults (9F, 5M, age 35.43 ± 10y, BMI 25.46 ± 3.60 kg/m2) participated in a randomized crossover study that included 12 nights of …
Ua80/1 Meeting Minutes, W Club
Ua80/1 Meeting Minutes, W Club
University Organizations
Minutes of the January 2025 W Club Board of Directors meeting.
Ua19/16/5/13 Athletic Media Relations - Baseball Film/Video/Audio File, Wku Archives
Ua19/16/5/13 Athletic Media Relations - Baseball Film/Video/Audio File, Wku Archives
WKU Archives Collection Inventories
Film, and video of WKU baseball games.
Ua19/16/5/16 Athletic Media Relations - Volleyball Film/Ideo/Audio File, Wku Archives
Ua19/16/5/16 Athletic Media Relations - Volleyball Film/Ideo/Audio File, Wku Archives
WKU Archives Collection Inventories
Video of WKU volleyball games.
Ua19/16/1/1 2025 Hilltopper Baseball Media Guide, Wku Athletic Media Relations
Ua19/16/1/1 2025 Hilltopper Baseball Media Guide, Wku Athletic Media Relations
WKU Administration Documents
2025 baseball media guide produced by WKU Athletic Media Relations, includes athletic records and statistics, photographs, schedule and information regarding opponents.