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Articles 91 - 120 of 16401
Full-Text Articles in Entire DC Network
Association Between Habitual Sleep Duration Variability And Cardiovascular Reactivity To Mental Stress, Anjana Chepur, Jeremy A. Bigalke, Jason R. Carter
Association Between Habitual Sleep Duration Variability And Cardiovascular Reactivity To Mental Stress, Anjana Chepur, Jeremy A. Bigalke, Jason R. Carter
International Journal of Exercise Science: Conference Proceedings
Nightly variability in sleep duration is an independent predictor of cardiovascular risk, yet the physiological mechanisms underlying this association remain unclear. Few investigations have focused on whether variability in habitual sleep duration influences autonomic and cardiovascular responses to acute stress. PURPOSE: The purpose of this study was to examine whether habitual variability in nightly sleep duration predicts autonomic and cardiovascular reactivity to acute psychosocial stress, as measured by blood pressure, heart rate, and heart rate variability (HRV) changes during the Trier Social Stress Test (TSST). We hypothesized that individuals with greater sleep duration variability would exhibit exaggerated autonomic and cardiovascular …
Basal Inflammation Modifies Neuroendocrine And Immune Stress Responses To Live Fire Training In Firefighters, Jordyn Chovanetz, Michael Conner, Steven E. Martin, Matthew J. Mcallister, Drew E. Gonzalez
Basal Inflammation Modifies Neuroendocrine And Immune Stress Responses To Live Fire Training In Firefighters, Jordyn Chovanetz, Michael Conner, Steven E. Martin, Matthew J. Mcallister, Drew E. Gonzalez
International Journal of Exercise Science: Conference Proceedings
Firefighting activities trigger strong physiological stress responses, activating neuroendocrine and immune pathways. Yet little is known about how basal levels of inflammation influence the response to the demands of live-fire training evaluation (LFTE). PURPOSE: This study examined the difference of a firefighters’ (FFs) physiological stress responses by their basal inflammation level during an LFTE using an assumption-driven analytical approach to account for missing data. METHODS: Seventy-six FFs completed an LFTE. Salivary biosamples were taken before, immediately after, and 30 min post-LFTE, then analyzed for α-amylase (sAA), cortisol (sCORT), and secretory immunoglobulin A (SIgA). FFs were grouped by their …
The Effects Of Cold-Water Immersion On Student-Athletes’ Physical, Mental, And Emotional Recovery, Jose M. Rastrojo Llatas, Ritse Vaes, Melissa D. Long
The Effects Of Cold-Water Immersion On Student-Athletes’ Physical, Mental, And Emotional Recovery, Jose M. Rastrojo Llatas, Ritse Vaes, Melissa D. Long
International Journal of Exercise Science: Conference Proceedings
Recovery plays a key role in helping athletes stay consistent, avoid injuries, and perform well. Cold-water immersion (CWI) has become one of the most common recovery methods, usually involving briefly placing the body in 10–15ºC water after intense exercise. Many athletes use it to reduce soreness and inflammation, but research on how its effectiveness remains mixed. Some studies show clear physical and mental benefits, while others suggest the effects are small or depend on individual factors like sex, genetics, or training goals. Because results vary, it is important to understand how athletes feel after using CWI. PURPOSE: The purpose …
Correlation Between Increased Heart Rate And Marksmanship In Police Cadets, Devon K. Tankersley, Hussien Jabai, Michael D. Oldham, Brian Jones, Brinley Lollar
Correlation Between Increased Heart Rate And Marksmanship In Police Cadets, Devon K. Tankersley, Hussien Jabai, Michael D. Oldham, Brian Jones, Brinley Lollar
International Journal of Exercise Science: Conference Proceedings
Police officers often encounter high-stress situations requiring physical exertion immediately followed by accurate firearms performance. Understanding how elevated heart rate (HR) influences marksmanship may help inform training practices and standards for cadets. PURPOSE: The study was designed to determine whether a correlation exists between increased HR and short-distance marksmanship in police academy cadets. METHODS: Nineteen cadets (17 male and 2 female) completed two marksmanship trials at 3 m. Each participant first completed a baseline test involving 10 rounds fired without prior physical exertion, using a standard laser training cartridge and Mantis Laser Academy application. Participants then performed a …
Effect Of Walking With Weighted Vest On Gait Mechanics And Energy Expenditure, Nicholas Becerra, John D. Smith
Effect Of Walking With Weighted Vest On Gait Mechanics And Energy Expenditure, Nicholas Becerra, John D. Smith
International Journal of Exercise Science: Conference Proceedings
Weighted vests are used in many different types of exercises to increase difficulty/intensity. The distribution of weight matters when it comes to performance (Gerhart et al. 2020), and if weight is not distributed properly, then balance may be affected, thereby changing gait and further increasing energy expenditure. Others have also suggested increasing the load of the weighted vest can decrease pH level within the body (Martínez-Noguera, et al. 2024), however it is unclear is changes in gait are contributing to this increased effort. PURPOSE: to investigate the effect of using a weighted vest while walking on a treadmill has …
Examination Of Factors Associated With Exercise Identity And Habit Formation Among Inactive Adults Over A 12-Week Exercise Program, Olivia F. Antonelli, Jennifer Webster, Jessica L. Unick
Examination Of Factors Associated With Exercise Identity And Habit Formation Among Inactive Adults Over A 12-Week Exercise Program, Olivia F. Antonelli, Jennifer Webster, Jessica L. Unick
International Journal of Exercise Science: Conference Proceedings
Strong exercise identity (EI) and habit formation (HF) have been shown to be related to consistent exercise behavior and perceptions within exercise programs. However, little is known about factors associated with the magnitude of change in EI and HF throughout an exercise program. PURPOSE: Evaluate whether changes in EI and HF over a 12-week exercise program are associated with changes in exercise, frequency of exercise, program adherence, and theory-informed determinants of exercise behavior. METHODS: Participants (n=29; age 53.6±11.6 years, BMI 31.5±6.6 kg/m², 55.2% female, 79.3% non-Hispanic White) who were inactive (/wk of self-reported physical activity [PA] over the …
Skeletal Muscle Mass Estimation By Dual-Energy X-Ray Absorptiometry And Bioimpedance Techniques In Muscular, Resistance-Trained Adults, John R. Alexander, Christian Rodriguez, Christine M. Florez, Ethan G. Tinoco, Julia Whitson, Carina M. Velasquez, Grant M. Tinsley
Skeletal Muscle Mass Estimation By Dual-Energy X-Ray Absorptiometry And Bioimpedance Techniques In Muscular, Resistance-Trained Adults, John R. Alexander, Christian Rodriguez, Christine M. Florez, Ethan G. Tinoco, Julia Whitson, Carina M. Velasquez, Grant M. Tinsley
International Journal of Exercise Science: Conference Proceedings
Skeletal muscle mass (SMM) is an important body composition metric in clinical and research settings. However, criterion methods such as magnetic resonance imaging and computed tomography are largely inaccessible, so surrogate methods such as dual-energy X-ray absorptiometry (DXA) and bioelectrical impedance are used to estimate SMM. The agreement of these surrogate estimates may be impacted by physiological characteristics of the specific populations being evaluated. PURPOSE: To compare SMM estimates derived from DXA and bioimpedance methods using differing prediction equations within a sample of muscular, resistance-trained adults. METHODS: Forty participants (23 M, 17 F; [mean ± SD] age: 28.1 …
Effect Of Earthing With Grounding Mats On Delayed Onset Muscle Soreness, Paola N. Ramos Salinas, John D. Smith
Effect Of Earthing With Grounding Mats On Delayed Onset Muscle Soreness, Paola N. Ramos Salinas, John D. Smith
International Journal of Exercise Science: Conference Proceedings
The practice of earthing, or grounding, is a practice of direct skin contact with the earth, and now, the innovation of grounding mats has led to studies looking into the effects grounding can produce. Previous studies focus on long grounding periods and delayed onset muscle soreness (DOMS), but as of this study, no studies have looked to the effects of short grounding periods and DOMS. PURPOSE: To determine if grounding on a grounding mat has a significant effect on delayed onset muscle soreness. METHODS: Single blind, counterbalanced, repeated measures study with participants being grounded (G) in one session and no …
Effect Of A Bungee Tension System On Physiological And Gait Variables While Walking, Adriana F. Oviedo, Gary Guerra, John D. Smith
Effect Of A Bungee Tension System On Physiological And Gait Variables While Walking, Adriana F. Oviedo, Gary Guerra, John D. Smith
International Journal of Exercise Science: Conference Proceedings
Unloaded treadmill walking has shown to improve motor function, balance and locomotion ability. This type of mechanism is commonly used in rehabilitation and therapy settings and is becoming more popular. PURPOSE: To examine two different bungee attachments on oxygen consumption (VO2), heart rate (HR), rating of perceived exertion (RPE Borg’s 6-20, VAS) and gait. METHODS: Participants (n=21, age=22.0±2.7 yrs, ht=66.4±2.9 in, wt=166.3±26.5 lbs) walked on a treadmill at three mph for 10 min while interfaced with an oxygen analyzer and APDM Inertial Measurement Unit (IMU) gait sensors without unweighting (NU), unweighted with a intermediate tension bungee …
Psychological And Physiological Effects Of Acute Cold Exposure Following Bouts Of Intense Exercise, Blake E. Wright, Leroy Bolden, Cory Smith, Andrew Gallucci
Psychological And Physiological Effects Of Acute Cold Exposure Following Bouts Of Intense Exercise, Blake E. Wright, Leroy Bolden, Cory Smith, Andrew Gallucci
International Journal of Exercise Science: Conference Proceedings
Background: Thermal strain results from extreme temperature exposures and is common among athletes that create conflicting physiological responses. However, little is known on how rapidly shifting the body from a heat-dissipating to a heat-conserving state impacts human physiologically and psychologically. Purpose: To assess the physiological and psychological effects of thermal strain on collegiate football players. Methods: 18 Division I collegiate football players (19.72y ± 1.36) participated in the study during one full contact practice in the spring semester. Participants reported to the athletic training room 15-minutes before practice to have a Zephyr sensor placed in the midaxillary line. Participants also …
Which Sex Hormone Markers Best Predict Bone Mineral Density? A Nhanes 2013-2014 Analysis, Katarina Kozakova, Elina Satlik, Sarah E. Little-Letsinger
Which Sex Hormone Markers Best Predict Bone Mineral Density? A Nhanes 2013-2014 Analysis, Katarina Kozakova, Elina Satlik, Sarah E. Little-Letsinger
International Journal of Exercise Science: Conference Proceedings
Osteoporosis is a silent disease that is typically not diagnosed until after a fracture has occurred. Identifying biomarkers routinely collected by physicians can serve as a simple and effective screening approach to detect osteoporosis before debilitating fractures occur. The ratio of total estradiol to total testosterone (ET x10)/TT has been proposed as a biomarker associated with bone mineral density (BMD). To further improve predictive power, we propose a ratio of estradiol to free testosterone (ET/TF), rather than total, to account for the difference in hormone bioavailability. PURPOSE: The present analysis compares the association …
Bone Mineral Density Changes In Ncaa Division I Female Acrobatics & Tumbling Athletes Across Collegiate Career, Mary C. Pickler, Andrew R. Gallucci, Katherine M. Lee, Leroy K. Bolden, Grant M. Tinsley
Bone Mineral Density Changes In Ncaa Division I Female Acrobatics & Tumbling Athletes Across Collegiate Career, Mary C. Pickler, Andrew R. Gallucci, Katherine M. Lee, Leroy K. Bolden, Grant M. Tinsley
International Journal of Exercise Science: Conference Proceedings
Acrobatics and tumbling (A&T) has gained significant attention since becoming an official National Collegiate Athletic Association (NCAA) sport about a decade ago. The sport requires elite-level athletic abilities to perform tosses, lifts, and tumbling, making maintaining optimal body composition a key priority. However, little is known about the longitudinal impacts of the sport’s elite training and competition on specific aspects of body composition of its athletes. PURPOSE: To analyze changes in total and segmental bone mineral density over the course of entire collegiate career in Division I female A&T athletes. METHODS: Division I female A&T athletes underwent total …
Validation Of A New Home-Use Blood Pressure Monitor, Jide Yinka Adebiyi, Kazumasa Manabe, Natalie Nicole Mclaurin, Yanbing Zhou, Kelvin Fan, Eliana Campbell, Hirofumi Tanaka
Validation Of A New Home-Use Blood Pressure Monitor, Jide Yinka Adebiyi, Kazumasa Manabe, Natalie Nicole Mclaurin, Yanbing Zhou, Kelvin Fan, Eliana Campbell, Hirofumi Tanaka
International Journal of Exercise Science: Conference Proceedings
Accurate blood pressure (BP) measurement is critical for assessing cardiovascular health and for the early diagnosis and management of hypertension. Inaccurate BP measurements, whether overestimating or underestimating true BP, can lead to misdiagnosis of cardiovascular risk or inappropriate treatment, including overmedication. In this context, home BP monitoring is ideal as it provides more accurate BP readings while avoiding white-coat hypertension and identifying masked hypertension. PURPOSE: To evaluate the accuracy of a new automated BP device intended for simplified home use according to the requirements of the Association for the Advancement of Medical Instrumentation/European Society of Hypertension/International Organization for Standardization (AAMI/ESH/ISO) …
Dehydration Alters Pbmc Inflammatory Propensity That Impair Myoblast Fusion: An Ex-Vivo Approach, Casey Appell, Trinity N. Domonkos, Karina Olvera, Sarah Walper, Christian J. Hoebelheinrich, Larry Munger, Danielle Levitt, Hui-Ying Luk
Dehydration Alters Pbmc Inflammatory Propensity That Impair Myoblast Fusion: An Ex-Vivo Approach, Casey Appell, Trinity N. Domonkos, Karina Olvera, Sarah Walper, Christian J. Hoebelheinrich, Larry Munger, Danielle Levitt, Hui-Ying Luk
International Journal of Exercise Science: Conference Proceedings
Muscle recovery from damage requires satellite cell activation to myoblasts and subsequent myoblast fusion, processes that are influenced, by immune-muscle crosstalk. In this context, the inflammatory propensity of peripheral blood mononuclear cells (PBMCs), may alter myoblast fusion. In vitro studies have shown that hyperosmotic stress alters PBMC inflammatory potency. However, the effect of dehydration (elevated plasma osmolality) on PBMC inflammatory propensity, and its impact on myoblast fusion is unknown. PURPOSE: To determine the effect of dehydration following muscle damage on PBMC inflammatory propensity to alter myoblast fusion using an ex-vivo model. METHODS: Active men (n=4, 19±1yr, 173.4±7.6cm, 84.3±11.6kg) …
The Effect Of 8-Weeks Of Exercise Training On Metabolic Health And Continuous Glucose Monitoring Metrics Among Insulin Sensitive And Resistant Adults, Joshua Labadah, Adrian Ordaz, Seyram Azagloh, Richard Vazquez, Jehu N. Apaflo, Sudip Bajpeyi
The Effect Of 8-Weeks Of Exercise Training On Metabolic Health And Continuous Glucose Monitoring Metrics Among Insulin Sensitive And Resistant Adults, Joshua Labadah, Adrian Ordaz, Seyram Azagloh, Richard Vazquez, Jehu N. Apaflo, Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
An elevated homeostatic model assessment of insulin resistance index (HOMA-IR) ≥ 2.5 is commonly used to classify insulin resistance (IR). IR is a well-established precursor to the development of diabetes and other metabolic diseases. Exercise is a well-established intervention for the improvement of metabolic health but the comparison of the effect of exercise among IR and insulin sensitive (IS) non-diabetic adults with the use continuous glucose monitoring has not been adequately studied. PURPOSE: To determine if non-diabetic individuals with insulin resistance have attenuated improvement in exercise-induced improvement in metabolic health and CGM metrics of glycemic control in comparison to …
Pre-Exercise Positive Mood Affect Predicts Blunted Lymphocyte Mobilization And Faster Recovery After Acute Exercise (Caare Secondary Analysis), Arman M. Rasti, Melissa Markofski
Pre-Exercise Positive Mood Affect Predicts Blunted Lymphocyte Mobilization And Faster Recovery After Acute Exercise (Caare Secondary Analysis), Arman M. Rasti, Melissa Markofski
International Journal of Exercise Science: Conference Proceedings
Acute exercise mobilizes lymphocytes and monocytes into circulation and alters cortisol, but it is not known whether psychological states before exercise shape immune responses in adults, or whether cortisol mediates any associations between mood and immune mobilization. PURPOSE: To test whether baseline affect and total mood disturbance (TMD) predict lymphocyte/monocyte mobilization and 1-h recovery after aerobic training (AT) and resistance training (RT), whether they predict cortisol responses, and whether cortisol mediates mood–immune links. METHODS: This is a secondary analysis of data from a randomized, complete crossover study in which adults completed both an AT and a RT session. Composite affect …
A Comparison Of Force Plates To Motion Capture Analysis For Vertical Leap Measurement Metrics, Joshua Nate, Brian Jones, Ouays Bakcha, Nikita Strogalev, Veronika Kramarenko, Dylan Sabo, Stephania Tapia, Karla Peguerosa, Fatima Alonso, Bronwyn Banks, Vipa Bernhardt, Hussien Jabai, Michael D. Oldham
A Comparison Of Force Plates To Motion Capture Analysis For Vertical Leap Measurement Metrics, Joshua Nate, Brian Jones, Ouays Bakcha, Nikita Strogalev, Veronika Kramarenko, Dylan Sabo, Stephania Tapia, Karla Peguerosa, Fatima Alonso, Bronwyn Banks, Vipa Bernhardt, Hussien Jabai, Michael D. Oldham
International Journal of Exercise Science: Conference Proceedings
Markerless motion capture systems are increasingly used to assess movement performance and injury risk due to their efficiency and portability, yet their accuracy relative to force plates remains understudied. Force plates are considered the criterion standard for measuring kinetic variables, making validation against force plate data essential before widespread application of markerless systems. PURPOSE: The purpose of this study is to evaluate the concurrent validity of the DARI ® Motion capture system by comparing its biomechanical outputs to force plate–derived kinetic measures during selected athletic movements. METHODS: Participants (n = 33) were measured for height and weight, …
Beyond Lean Mass: Body Roundness Index (Bri) Is Independently Associated With Cardiometabolic Health And Physical Performance In Tactical Personnel, Dongju Lee, Michael J. Conner, Steve E. Martin, Drew E. Gonzalez
Beyond Lean Mass: Body Roundness Index (Bri) Is Independently Associated With Cardiometabolic Health And Physical Performance In Tactical Personnel, Dongju Lee, Michael J. Conner, Steve E. Martin, Drew E. Gonzalez
International Journal of Exercise Science: Conference Proceedings
Abdominal obesity and low muscle mass increase cardiometabolic disease (CMD) risk. Firefighters and law enforcement officers may have high lean body mass (LBM), but occupational stressors raise their risk of abdominal obesity and CMD. Body roundness index (BRI) measures abdominal fat, but it's unclear whether high LBM can counteract the metabolic damage caused by abdominal adiposity in these personnel. PURPOSE: To evaluate (1) the associations of BRI and LBM with cardiometabolic and physical outcomes and (2) LBM's moderating effect (BRI × LBM interaction) on how abdominal obesity relates to health risks. METHODS: A cross-sectional study involving 158 first responders analyzed …
Associations Between Renal Function And Carotid Arterial Structure In Adults With Moderate Stage Chronic Kidney Disease, Koran D. Mason, Mandy E. Parra, Micheal Luera, Andru Botello, Olivia Russell, Leroy Bolden, Craig Hermans, Jeffrey Forsse, Tomas J. Chapman-Lopez
Associations Between Renal Function And Carotid Arterial Structure In Adults With Moderate Stage Chronic Kidney Disease, Koran D. Mason, Mandy E. Parra, Micheal Luera, Andru Botello, Olivia Russell, Leroy Bolden, Craig Hermans, Jeffrey Forsse, Tomas J. Chapman-Lopez
International Journal of Exercise Science: Conference Proceedings
Chronic kidney disease (CKD) will likely progress to renal failure and death without medical or lifestyle intervention. Early detection and treatment of CKD before the development of severe stages (G3b–G5) may provide an opportunity to slow disease progression; however, reliable early detection strategies remain limited. CKD is a systemic condition, and vascular measures have been proposed as potential indicators of renal health. Therefore, this study examined associations between renal function and carotid artery structural characteristics in adults with moderate stages of CKD. PURPOSE: The purpose of this study was to examine the associations between renal filtration markers and carotid …
Metabolic And Lipid Biomarkers As Correlates Of Pulmonary Function In Middle-Aged Non-Smokers, Carson Greenwood, Mandy E. Parra, Micheal Luera, Olivia Russell, Leroy Bolden, Craig Hermans, Jeffrey Forsse, Tomas J. Chapman-Lopez
Metabolic And Lipid Biomarkers As Correlates Of Pulmonary Function In Middle-Aged Non-Smokers, Carson Greenwood, Mandy E. Parra, Micheal Luera, Olivia Russell, Leroy Bolden, Craig Hermans, Jeffrey Forsse, Tomas J. Chapman-Lopez
International Journal of Exercise Science: Conference Proceedings
Pulmonary function testing is widely used to assess respiratory health and detect early functional decline. While relationships between lung function and systemic biomarkers have been described in clinical populations, limited data exist examining these associations in metabolically healthy adults without diagnosed chronic disease. PURPOSE: To examine the relationships between blood-based metabolic, lipid, renal, and hematologic biomarkers and pulmonary function in middle-aged, metabolically healthy adults. METHODS: Participants were recruited through a university-based health outreach program conducted between 2020 and 2024. Inclusion criteria included participants aged between 40 – 65 years, non-smoking status, and absence of diagnosed pulmonary, cardiovascular, renal, …
Age-Related Increases In Visceral Adiposity And The Dominant Role Of Lean Mass In Pulmonary Function In Non-Smoking Women, Emily J. Swaringen, Mandy Parra, Micheal Luera, Olivia Russell, Leroy Bolden, Craig Hermans, Jeffrey Forsse, Tomas J. Chapman-Lopez
Age-Related Increases In Visceral Adiposity And The Dominant Role Of Lean Mass In Pulmonary Function In Non-Smoking Women, Emily J. Swaringen, Mandy Parra, Micheal Luera, Olivia Russell, Leroy Bolden, Craig Hermans, Jeffrey Forsse, Tomas J. Chapman-Lopez
International Journal of Exercise Science: Conference Proceedings
Aging in women is accompanied by changes in body composition, including shifts in regional fat distribution and lean mass, which may influence pulmonary function. However, the relative contributions of adiposity and lean mass to pulmonary outcomes in healthy non-smoking women remain unclear. PURPOSE: To examine age-related differences in trunk adiposity and to determine the relationships between body composition and pulmonary function in healthy non-smoking adult women. METHODS: One-hundred fourteen non-smoking women were included and stratified into younger (18–39 years, n = 53) and middle-aged (40–64 years, n = 61) groups. Body composition was assessed using dual-energy X-ray absorptiometry, …
Mediating Factors Of Exercise Identity And Perceived Stress, Cydni M. Miller, Kameron Sanders, Jada Mendoza, Brooke Walsh, Jasmine Hamilton
Mediating Factors Of Exercise Identity And Perceived Stress, Cydni M. Miller, Kameron Sanders, Jada Mendoza, Brooke Walsh, Jasmine Hamilton
International Journal of Exercise Science: Conference Proceedings
As we continue to traverse influences of the post COVID-19 public health environment, there have been noted effects associated with mental and physical health. Stress and anxiety can lead to burnout and have negative physical effects on the body. Research indicated that increases in exercise participation may reduce burnout among college students (Chen et al., 2022). For college students, access to resources such as recreational centers may help to alleviate the negative effects of anxiety. Physical activity has also been shown to improve the relationship between self-image and esteem (Gan & Jiang, 2024). PURPOSE: This study sought to explore the …
Effects Of Palm Cooling On Anaerobic Cycling Performance, Bronwyn R. Banks
Effects Of Palm Cooling On Anaerobic Cycling Performance, Bronwyn R. Banks
International Journal of Exercise Science: Conference Proceedings
PURPOSE: To determine if palm cooling had a positive effect on repeated bouts of Wingate Anaerobic Test (WAnT). METHODS: Nineteen college students (18 – 23 years of age) attended a randomized crossover designed trail to perform three bouts WAnT (lower body) test which consisted of 30s bouts. During the control (CON) trial sessions, the resistance was dropped to 7.5% of body mass (kg) at the start of the 30 second(s) all-out sprint, followed by 3 min cycling at 20W. During the cooling intervention (PC) session, a palm cooling (Apex Cooling) device was used between bouts. Participants were instructed to hold …
Examining The Association Between Lower-Body Bone Mineral Composition And Ground Reaction Force In American Football Players, Fatima Alonso, Michael Oldham, Vipa Bernhardt, Brian Jones, Bronwyn Banks, Joshua Nate, Karla Pegueros, Nikita Strogalev, Ouays Bakcha, Stephanie Tapia, Veronika Kramarenko, Dylan T. Sabo
Examining The Association Between Lower-Body Bone Mineral Composition And Ground Reaction Force In American Football Players, Fatima Alonso, Michael Oldham, Vipa Bernhardt, Brian Jones, Bronwyn Banks, Joshua Nate, Karla Pegueros, Nikita Strogalev, Ouays Bakcha, Stephanie Tapia, Veronika Kramarenko, Dylan T. Sabo
International Journal of Exercise Science: Conference Proceedings
Mechanical loading is a primary determinant of skeletal adaptation, particularly in collision-based sports such as American football. PURPOSE: The purpose was to examine the relationship between lower body bone mineral characteristics and unilateral ground reaction force production in male athletes. The study was conducted to examine whether force-production capacity is related to skeletal mineralization and limb asymmetry. METHODS: One hundred and ten American football athletes participated in the study. Lower body bone mineral composition (BMC), lean mass index, and limb asymmetry were measured using dual-energy X-ray absorptiometry (DXA). A unilateral vertical jump test was performed using the DARI Motion ® …
Strength & Structure: Do Special Olympic Athletes Possess Similar Muscle Quality In The Upper Appendages To Age-Related General Populations, Ian C. Longoria, Misty Kesterson, Marcus D. Thompson, Don Melrose, Maricella A. Maldonaldo, Ronald L. Snarr
Strength & Structure: Do Special Olympic Athletes Possess Similar Muscle Quality In The Upper Appendages To Age-Related General Populations, Ian C. Longoria, Misty Kesterson, Marcus D. Thompson, Don Melrose, Maricella A. Maldonaldo, Ronald L. Snarr
International Journal of Exercise Science: Conference Proceedings
Individuals with intellectual and physical disabilities face accelerated musculoskeletal aging and increased sarcopenia, leading to functional limitations and health risks. Some common metrics looked at while trying to understand relative strength in individuals are body composition and hand grip. Studies have shown males and females with the similar muscle structure often show similar muscle strength. Muscular strength has a substantial impact on individuals’ daily activities, physical health, and performance in the context of sport. Despite its potential value, research has yet to determine the muscle quality index (MQI) for individuals that compete within the between adults with and without intellectual …
Snap Count Vs. Peak Power Output Over The Course Of A Football Season, Dylan T. Sabo, Michael Oldham, Vipa Bernhardt, Ouays Bakcha, Brian Jones, Karla Pegueros, Fatima Alonso, Stephanie Tapia Ochoa, Nikita Strogalev, Veronika Kramarenko, Bronwyn R. Banks, Joshua Nate
Snap Count Vs. Peak Power Output Over The Course Of A Football Season, Dylan T. Sabo, Michael Oldham, Vipa Bernhardt, Ouays Bakcha, Brian Jones, Karla Pegueros, Fatima Alonso, Stephanie Tapia Ochoa, Nikita Strogalev, Veronika Kramarenko, Bronwyn R. Banks, Joshua Nate
International Journal of Exercise Science: Conference Proceedings
BACKGROUND: Weekly monitoring of CMJ peak power alongside prior week snap count and perceived recovery can help strength and conditioning staff identify residual fatigue in football players and adjust training loads to better preserve neuromuscular performance across the competitive season. PURPOSE: Monitoring neuromuscular performance across a competitive football season may provide insight into accumulated fatigue and recovery status. The purpose of this study was to examine the relationship between game snap count (objective workload), rate of perceived recovery (RPR), and countermovement jump (CMJ) peak power output across a 12 wk football season. METHODS: 60 Division I football players were monitored …
Eight Weeks Of Concurrent Exercise Training Improves Cardiometabolic Health And Continuous Glucose Monitor Glycemic Control Indices Among Healthy Sedentary Adults, Adrian A. Ordaz, Joshua Labadah, Richard Vazquez, Jehu Apaflo, Seyram Y. Azagloh, Sudip Bajpeyi
Eight Weeks Of Concurrent Exercise Training Improves Cardiometabolic Health And Continuous Glucose Monitor Glycemic Control Indices Among Healthy Sedentary Adults, Adrian A. Ordaz, Joshua Labadah, Richard Vazquez, Jehu Apaflo, Seyram Y. Azagloh, Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
It is well established that exercise improves cardiometabolic health. Continuous glucose monitoring (CGM) systems are mostly used among individuals with diabetes. However, the use of CGM to measure the effect of concurrent aerobic and resistance training on glycemic variability indices has not been extensively studied. PURPOSE: To determine the effect of 8-week concurrent exercise training on cardiometabolic health and the utility of CGM in assessing exercise-induced improvement in glycemic control among healthy sedentary adults. METHODS: Twenty (9 males; 11 females) adults (age 28.5±5.4 years; body mass index (BMI) 26.5±5.1 kg/m2; fasting blood glucose (FBG) (93.0±17.6 mg/dL) participated in this study. …
Dehydration Does Not Affect Delayed Onset Muscle Soreness After Muscle Damage, Christian J. Hoebelheinrich, Casey Appell, Hui-Ying Luk, Trinity N. Domonkos, Sarah Walper, Karina Olvera, Seth Bernardino, Amar Vaela, Jalyn Dunlap, Larry Munger
Dehydration Does Not Affect Delayed Onset Muscle Soreness After Muscle Damage, Christian J. Hoebelheinrich, Casey Appell, Hui-Ying Luk, Trinity N. Domonkos, Sarah Walper, Karina Olvera, Seth Bernardino, Amar Vaela, Jalyn Dunlap, Larry Munger
International Journal of Exercise Science: Conference Proceedings
INTRODUCTION: Muscle-damaging exercise initiates an inflammatory cascade that contributes to the development of delayed onset muscle soreness (DOMS), which typically resolves within 24 to 72h. Although dehydration is common among active young adults and has been associated with greater severity of exercise-induced muscle damage, its role in modulating the resolution of soreness (indicative of inflammatory response) during recovery remains unclear. PURPOSE: To examine the effect of fluid restriction during 72hr recovery period on DOMS following exercise-induced muscle damaging exercise in young active adults. METHODS: Active men (n=6, 20±3yr, 173.6±8.1cm, 78.9±12.2kg) and women (n=2, 20±1yr, 162.6±3.6cm, 69.9±3.1kg) completed two identical …
Neuromuscular And Body Composition Associations With Estradiol Throughout The Lifespan, Braden A. Wright, Tomas Chapman-Lopez, Micheal Luera, Jaci Kelly, Christine M. Florez, Lem Taylor, Darryn Willoughby, Mandy E. Parra
Neuromuscular And Body Composition Associations With Estradiol Throughout The Lifespan, Braden A. Wright, Tomas Chapman-Lopez, Micheal Luera, Jaci Kelly, Christine M. Florez, Lem Taylor, Darryn Willoughby, Mandy E. Parra
International Journal of Exercise Science: Conference Proceedings
Many studies have sought to understand estradiol withdrawal throughout the female lifecycle and its role in the brain and cognitive function, while little is known about its specific role at the neuromuscular junction and body composition. PURPOSE: The purpose of this study is to examine estradiol as a predictor of DXA- derived fat-free mass (FFM), lower body muscle quality (MQ), total fat mass (FM), and maximal muscle activation (EMGRMS). METHODS: This is a secondary analysis from an existing data set using a cross-sectional design of eleven untrained women (pre-menopausal, n=6; age=23.3±4.3 years; height=160.6±8.3 cm; weight=60.5±11.6 kg; …
Delayed Recovery Of Force Production In A Dehydrated State Following Muscle Damage, Amar Vaela, Casey Appell, Trinity N. Domonkos, Karina Olvera, Sarah Walper, Christian Hoebelheinrich, Seth Bernardino, Jalyn Dunlap, Larry Munger, Hui-Ying Luk
Delayed Recovery Of Force Production In A Dehydrated State Following Muscle Damage, Amar Vaela, Casey Appell, Trinity N. Domonkos, Karina Olvera, Sarah Walper, Christian Hoebelheinrich, Seth Bernardino, Jalyn Dunlap, Larry Munger, Hui-Ying Luk
International Journal of Exercise Science: Conference Proceedings
Following eccentric exercise-induced muscle damage, knee extensor strength is substantially reduced but typically recovers toward baseline within 48-72 hours in healthy adults. Previous studies have not determined whether hydration status influences recovery following muscle damage, despite evidence that a 46.4% of university students are dehydrated, and 59% with inadequate water intake. Suggesting a high likelihood of suboptimal hydration at baseline. Although dehydration has been shown to negatively impact force production, its influence on post-exercise damage remains unclear. However, it is unclear whether dehydration alters the recovery of force production following muscle-damaging exercise. PURPOSE: To determine the effect of dehydration …