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Articles 151 - 180 of 2358
Full-Text Articles in Entire DC Network
Evaluation Of The Effect Of Antibiotics On Glucose, Insulin, Homa, And Hba1c In People With Low Versus People With High Visceral Fat, Ashlyn Dooley, Melissa Fernandez-Alonso, Angela Berry, Matthew Loritz, Anne George, Jessica Mrosla, Olivia Landis, Ryan R. Porter, Elisa Marroquin, Sarah Mckinley-Barnard
Evaluation Of The Effect Of Antibiotics On Glucose, Insulin, Homa, And Hba1c In People With Low Versus People With High Visceral Fat, Ashlyn Dooley, Melissa Fernandez-Alonso, Angela Berry, Matthew Loritz, Anne George, Jessica Mrosla, Olivia Landis, Ryan R. Porter, Elisa Marroquin, Sarah Mckinley-Barnard
International Journal of Exercise Science: Conference Proceedings
It is well known that obesity is a comorbidity for most of the leading causes of death. Recently, gut microbiota research has been shown to be a potential mechanism to regulate body weight. Synbiotics combine probiotics and prebiotics to improve microbiota survival and activity. The synbiotic used in this study includes oligosaccharide-degrading probiotics, butyrate producers, and a prebiotic dietary fiber. Antibiotics have also been given with the intention to increase the number of available bacterial niches and subsequently enhance the engraftment of the newly introduced bacteria. Little research exists to determine the effects antibiotic ingestion may have on glucose, insulin, …
Changes In Phase Angle And Lean Body Mass During 6-Week Offseason Mesocycle In Collegiate Club Rugby Players, Alexis Rodriguez, Brandon Large, Tyler Large, Jmya Hughes, Micheil Spillane
Changes In Phase Angle And Lean Body Mass During 6-Week Offseason Mesocycle In Collegiate Club Rugby Players, Alexis Rodriguez, Brandon Large, Tyler Large, Jmya Hughes, Micheil Spillane
International Journal of Exercise Science: Conference Proceedings
Phase angle (PhA) is the relationship between reactance (Xc) and resistance ratio (R) current that flows through the cellular tissue, which can be measured via Bioelectrical Impedance Analysis (BIA) when measuring body composition. Due to the availability and ease of use, phase angle has been adopted and used in clinical nutrition to track various disease states, from malnutrition to cancer cachexia, and other muscle-wasting diseases. Since PhA reflects cellular water content and rapid changes in cellular health, applications for athlete performance tracking have shown promise. Resistance training is highly effective for enhancing PhA when adopting high-intensity volumes and durations for …
The Effect Of A Short-Term Antibiotic Cycle On Blood Biomarkers In Adults With Overweight And Obesity, Anne George, Melissa Fernandez Alonso, Ashlyn Dooley, Matthew Loritz, Jessica Mrosla, Olivia Landis, Katelyn Harnen, Genevieve Aiwonegbe, Meggan Duncan, Angela Berry, Jaidyn Hooper, Sarah Mckinley-Barnard, Elisa Marroquine, Ryan R. Porter
The Effect Of A Short-Term Antibiotic Cycle On Blood Biomarkers In Adults With Overweight And Obesity, Anne George, Melissa Fernandez Alonso, Ashlyn Dooley, Matthew Loritz, Jessica Mrosla, Olivia Landis, Katelyn Harnen, Genevieve Aiwonegbe, Meggan Duncan, Angela Berry, Jaidyn Hooper, Sarah Mckinley-Barnard, Elisa Marroquine, Ryan R. Porter
International Journal of Exercise Science: Conference Proceedings
It has been demonstrated in previous literature that early-life antibiotic exposure may contribute to metabolic dysfunction related to the development of overweight and obesity later in life. More recent studies suggest an additional relationship between antibiotic exposure beyond early life and obesity, as well as insulin resistance. However, there are a limited number of studies reporting the effects of short-term antibiotic exposure on insulin resistance and other blood biomarkers. PURPOSE: This study investigates the effects of short-term antibiotic exposure on insulin resistance and other blood biomarkers. METHODS: This study is part of a larger ongoing investigation examining the …
Thermoregulatory Differences Between Uniform Types In Brazilian Jiu Jitsu, Esther Coronado, Brett Crossland Dr
Thermoregulatory Differences Between Uniform Types In Brazilian Jiu Jitsu, Esther Coronado, Brett Crossland Dr
International Journal of Exercise Science: Conference Proceedings
Brazilian Jiu-Jitsu (BJJ) is a grappling-based martial art that emphasizes ground fighting and submission techniques. The uniforms worn in BJJ, commonly known as the gi and no-gi, play a crucial role in both training and competition. The gi uniform is similar to a jacket and pants, and make of heavy cotton while the no-gi is similar to lightweight shirt and shorts worn in a number of sporting endeavors. The differences in uniform also result in differences in energy output as the techniques utilized to gain an advantage between the uniform types differs. For instance, gi grappling utilizes the actual uniform …
Acute Effects Of An Investigational Pre-Workout Supplement On Mood And Safety In Resistance Trained Males: A Proof-Of-Concept, Randomized, Controlled, Crossover Study, Rocky Conejos, Christopher M. Lockwood, Neil A. Schwarz, Emma K. Mueller, Hunter Schurrer, Brandi Harstedt, Arlie Gooch
Acute Effects Of An Investigational Pre-Workout Supplement On Mood And Safety In Resistance Trained Males: A Proof-Of-Concept, Randomized, Controlled, Crossover Study, Rocky Conejos, Christopher M. Lockwood, Neil A. Schwarz, Emma K. Mueller, Hunter Schurrer, Brandi Harstedt, Arlie Gooch
International Journal of Exercise Science: Conference Proceedings
Caffeine-containing multi-ingredient pre-workout supplements (MIPS), marketed as improving physical performance acutely, are a particularly popular category within sports nutrition and yet finished products are rarely clinically evaluated. PURPOSE: The purpose of this randomized, controlled, crossover study was to examine the acute effects of an investigational MIPS formula when used by experienced resistance trained consumers of high-stimulant MIPS. METHODS: Eighteen (n=18) US military veteran, adult males (40.6 ± 1.7 yrs; 90.2 ± 2.2 kg; 28.7 ± 0.6 BMI; mean ± SEM) completed familiarization and 2 randomly assigned and counter-balanced lab visits, separated by 5±1 days between visits. Resting heartrate …
Acute Effects Of An Investigational Pre-Workout Supplement On Neuromuscular And Exercise Performance In Resistance Trained Males: A Proof-Of-Concept, Randomized, Controlled, Crossover Study, Christopher M. Lockwood, Neil Schwarz, Rocky Conejos, Emma K. Mueller, Hunter Schurrer, Brandi Harstedt, Arlie Gooch
Acute Effects Of An Investigational Pre-Workout Supplement On Neuromuscular And Exercise Performance In Resistance Trained Males: A Proof-Of-Concept, Randomized, Controlled, Crossover Study, Christopher M. Lockwood, Neil Schwarz, Rocky Conejos, Emma K. Mueller, Hunter Schurrer, Brandi Harstedt, Arlie Gooch
International Journal of Exercise Science: Conference Proceedings
Caffeine-containing multi-ingredient pre-workout supplements (MIPS), marketed as improving physical performance acutely, are a particularly popular category within sports nutrition and yet finished products are rarely clinically evaluated. PURPOSE: The purpose of this randomized, controlled, crossover study was to examine the acute effects of an investigational MIPS formula when used by experienced resistance trained consumers of high-stimulant MIPS. METHODS: Eighteen (n=18) US military veteran, adult males (40.6 ± 1.7 yrs; 90.2 ± 2.2 kg; 28.7 ± 0.6 BMI; mean ± SEM) completed familiarization and 2 randomly assigned and counter-balanced lab visits, separated by 5±1 days between visits. Reaction testing …
Acute Bout Of Exercise May Preserve Peripheral Blood Mononuclear Cell Viability Under Oxidative Stress, Emily A. Jones, Jose M. Moris, Yunsuk Koh
Acute Bout Of Exercise May Preserve Peripheral Blood Mononuclear Cell Viability Under Oxidative Stress, Emily A. Jones, Jose M. Moris, Yunsuk Koh
International Journal of Exercise Science: Conference Proceedings
Nasal breathing (NB) during exercise induces hypercapnic conditions, which may improve exercise performance. However, the impact of NB on cell viability (CV) remains unexplored. PURPOSE: This study investigated the effects of a single bout of exercise with NB on CV following lipopolysaccharide (LPS)-induced oxidative stress in peripheral blood mononuclear cells (PBMCs). METHODS: Twelve men (age=22.5±3.03 years) were randomly assigned to either the NB group (N=6) or the combined breathing (oral + nasal breathing, CB, N=6) group. Each group performed a graded maximal exercise test (GXT) on a recumbent bike. Plasma samples were collected before and immediately after the …
Potential Immune Health Benefits Of Nasal Breathing Exercise On Inflammatory Cytokines In Plasma And Peripheral Blood Mononuclear Cells, Camilia L. Castillo, Jose M. Moris, Yunsuk Koh
Potential Immune Health Benefits Of Nasal Breathing Exercise On Inflammatory Cytokines In Plasma And Peripheral Blood Mononuclear Cells, Camilia L. Castillo, Jose M. Moris, Yunsuk Koh
International Journal of Exercise Science: Conference Proceedings
Nasal breathing (NB) is gaining popularity in exercise routines to enhance performance and overall health. However, its effects on intracellular and extracellular inflammatory cytokines, which are crucial to the immune response, remain unclear. PURPOSE: This study examined the acute responses of pro- and anti-inflammatory cytokines in peripheral blood mononuclear cells (PBMCs – representing intracellular cytokines) and plasma (representing extracellular cytokines) following maximal aerobic exercise with NB. METHODS: Eleven physically healthy, sedentary men (age = 20.63±1.36, BMI=26.03±3.16 kg/m2, and VO2max = 32.60±6.46 mL/kg/min) were randomly assigned to either the NB (N=6) or the combined (control) breathing (CB, N=5) group. Both groups …
A Comparative Analysis Of Nutritional Knowledge Among Division 1 College Athletes, Malachi Lecadre-Grey, Emily Castillo
A Comparative Analysis Of Nutritional Knowledge Among Division 1 College Athletes, Malachi Lecadre-Grey, Emily Castillo
International Journal of Exercise Science: Conference Proceedings
Nutrition is a cornerstone of athletic performance, yet many athletes at the collegiate level lack sufficient knowledge about how to properly fuel their bodies for optimal performance. While athletes generally recognize that nutrition is important for health and performance, many fail to fully understand the specific nutritional needs that support their intense physical demands. This gap in nutritional knowledge can hinder not only their performance, but also their recovery and long-term health. Given the complex role that nutrition plays in athletes’ training, competition, and recovery, addressing this knowledge gap is essential for ensuring athletes can reach their full athletic potential. …
Breaking The Injury Cycle: The Role Of Comprehensive Integration In Injury Recurrence Among Female Collegiate Athletes, Jeffrey Rivera, Paul Mentele, Nathan Wells, Xavier Smith, Ernest Rimer, Andreas Stamatis
Breaking The Injury Cycle: The Role Of Comprehensive Integration In Injury Recurrence Among Female Collegiate Athletes, Jeffrey Rivera, Paul Mentele, Nathan Wells, Xavier Smith, Ernest Rimer, Andreas Stamatis
International Journal of Exercise Science: Conference Proceedings
Female collegiate athletes face unique physiological, biomechanical, and socio-cultural factors that may increase their risk of repeated injuries. While first-time injuries have recently been better documented, less is known about whether subsequent injuries involve the same or different types. This gap limits the development of evidence-based prevention strategies that account for injury recurrence patterns in female athletes. PURPOSE: To quantify the prevalence of multiple injuries in female collegiate athletes, assess patterns of injury recurrence versus variation, and examine whether injury accumulation follows a progressive trajectory beyond a single occurrence. METHODS: A retrospective cohort analysis (2021–2024) was conducted using …
Effects Of A 12-Week Chair-Based Exercise Program On Functional Fitness And Cognitive Function In Older Females, Yi-Hung Liao, Ping-Chuan Lin, Yi-Yuan Lin, Shiow-Chwen Tsai, Hsiao-Kuan Wu, Ting-Heng Chou
Effects Of A 12-Week Chair-Based Exercise Program On Functional Fitness And Cognitive Function In Older Females, Yi-Hung Liao, Ping-Chuan Lin, Yi-Yuan Lin, Shiow-Chwen Tsai, Hsiao-Kuan Wu, Ting-Heng Chou
International Journal of Exercise Science: Conference Proceedings
Aging is associated with declines in functional fitness and cognitive function, which may impact the quality of life in older adults. Developing a safe and active training program as an initial strategy is critical for the elderly population to maintain physical and mental well-being. PURPOSE: This study aimed to evaluate the effects of a 12-week chair-based exercise intervention on functional fitness, cognitive function, and nutritional status in older female adults. METHODS: Thirty-six healthy female participants aged 55 to 80 years were randomly assigned to the exercise group (Ex, N=19; Age: 64±1 years; BMI: 24.7±0.8 kg/m²) or the control …
Neuromuscular Electrical Stimulation Improved Glycemic Control In Population With Hyperglycemia And Overweight/Obesity, Jehu N. Apaflo, Zahra Fatahimeiabadi, Irene John Tomy, Ulices Villalobos, Joshua Labadah, Dwaipayan Saha, Preyangsee Dutta Dr., Sudip Bajpeyi
Neuromuscular Electrical Stimulation Improved Glycemic Control In Population With Hyperglycemia And Overweight/Obesity, Jehu N. Apaflo, Zahra Fatahimeiabadi, Irene John Tomy, Ulices Villalobos, Joshua Labadah, Dwaipayan Saha, Preyangsee Dutta Dr., Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
Neuromuscular electrical stimulation (NMES) is a rehabilitation technique for individuals with physical function limitations and mobility impairments, however, the potential for NMES to improve metabolic health is unclear. PURPOSE: To evaluate the acute and long-term effects of NMES on blood glucose and substrate utilization. METHODS: The study recruited forty-five sedentary overweight/obese participants (Age: 40 ± 13 years; BMI: 37 ± 7 kg/m2) with hyperglycemia (fasting glucose ≥ 100 mg/dL or 2-hour oral glucose tolerance test (OGTT) value ≥ 140 mg/dL). For the acute study, participants underwent 30 minutes of NMES on both quadricep muscles. Blood glucose levels …
Eight Weeks Of Concurrent Aerobic And Resistance Training Improves Cardiometabolic And Physical Health Parameters Among Blacks In El Paso Without A Change In Body Weight, Joshua Labadah, Jehu Apaflo, Sudip Bajpeyi
Eight Weeks Of Concurrent Aerobic And Resistance Training Improves Cardiometabolic And Physical Health Parameters Among Blacks In El Paso Without A Change In Body Weight, Joshua Labadah, Jehu Apaflo, Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
Exercise is beneficial in improving cardiometabolic and physical health. Minority populations such as Blacks have been shown to have higher risk and prevalence of cardiometabolic diseases and yet have been less studied for the benefits of exercise compared to their White counterparts. PURPOSE: To determine the effect of 8-weeks concurrent aerobic and resistance training on cardiometabolic and physical health parameters among a population of Black African adults. METHODS: Ten sedentary/moderately active young Black African adults living in the El Paso, Texas, of age (27.1±4.3 years); fasting blood glucose (87.30±20.18 mg/dL); body mass index, BMI (25.37±5.14 kg/m2), …
Glucose Curve Morphology And Peak Time As Metabolic Health Indicators, Zahra Fatahimeiabadi, Jehu Apaflo, Sudip Bajpeyi
Glucose Curve Morphology And Peak Time As Metabolic Health Indicators, Zahra Fatahimeiabadi, Jehu Apaflo, Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
Type 2 diabetes is a multifaceted condition characterized by disruptions in insulin sensitivity, insulin secretion, and associated metabolic defects such as impaired glucose and lipid metabolism and metabolic inflexibility. The oral glucose tolerance test (OGTT) is a key diagnostic tool for assessing glucose tolerance and metabolic function. Glucose response curve morphology and timing of the glucose peak (at 30 minutes vs >30 minutes) provide valuable insights into the balance between insulin secretion and glucose tolerance. PURPOSE: This study aims to evaluate glucose curve morphology and glucose peak time as potential markers of metabolic health, focusing on their associations with …
Glucose Peak Time During Ogtt: A Marker For Metabolic Health And Insulin Resistance, Ulices Villalobos, Jehu Apaflo, Zahra Fatahimeiabadi, Joshua Labadah, Irene John Tomy, Dwaipayan Saha, Preyangsee Dutta Dr., Sudip Bajpeyi
Glucose Peak Time During Ogtt: A Marker For Metabolic Health And Insulin Resistance, Ulices Villalobos, Jehu Apaflo, Zahra Fatahimeiabadi, Joshua Labadah, Irene John Tomy, Dwaipayan Saha, Preyangsee Dutta Dr., Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
The Oral Glucose Tolerance Test (OGTT) screens for impaired glucose tolerance and diabetes. While a high overall glucose surge during a 3 hour OGTT indicates glucose intolerance, the glucose peak time offers valuable insights into metabolic health. PURPOSE: This study examines whether glucose peak time during an OGTT is indicative of glucose intolerance and insulin resistance. METHODS: Participants (n=208; 101 females, 107 males; Age 28.1 ± 10.6 years; BMI 28.3 ± 6.3 kg/m²) consumed 75 grams of glucose drink and completed an OGTT with blood glucose levels measured at 0, 30, 60, 90, 120, 150, and 180 minutes. …
Unveiling The Limitations Of Continuous Glucose Monitoring: Insights From Fasting And Ogtt With Advanced Clustering Analyses, Dwaipayan Saha Dr, Preyangsee Dutta Dr., Jehu Narh Apaflo, Joshua Labadah, Zahra Fatahimeiabadi, Ulices Villalobos, Irene John Tomy, Sudip Bajpeyi Dr.
Unveiling The Limitations Of Continuous Glucose Monitoring: Insights From Fasting And Ogtt With Advanced Clustering Analyses, Dwaipayan Saha Dr, Preyangsee Dutta Dr., Jehu Narh Apaflo, Joshua Labadah, Zahra Fatahimeiabadi, Ulices Villalobos, Irene John Tomy, Sudip Bajpeyi Dr.
International Journal of Exercise Science: Conference Proceedings
Continuous glucose monitoring (CGM) systems offer real-time glucose insights but are limited by temporal lags and variability compared to capillary blood glucose (CBG) and venous blood measurements. These limitations are particularly pronounced during fasting and oral glucose tolerance tests (OGTT), where accurate glucose tracking is critical. However, gaps remain in understanding how CGM performance compares to traditional methods in capturing glucose trends, variability, and clinical outliers. PURPOSE: This study addresses these gaps by evaluating the accuracy, variability, and clustering efficiency of CGM compared to CBG and venous glucose measurements during fasting and OGTT. METHODS: A cohort of 26 participants underwent …
Extraction And Organization Of Densitometry Data From Imaging Reports Produced By The Ge Idxa System Using Optical Character Recognition, Ana S. Rivera, Jordan Ankersen, Bradley Lambert
Extraction And Organization Of Densitometry Data From Imaging Reports Produced By The Ge Idxa System Using Optical Character Recognition, Ana S. Rivera, Jordan Ankersen, Bradley Lambert
International Journal of Exercise Science: Conference Proceedings
Assessment of body composition and bone mineral density via dual-energy X-ray absorptiometry (DXA) is commonly used in sports medicine, orthopedic, wellness, and research settings, whereby individualized reports are generated that can be uploaded to individual patient charts or entered into datasets for the purpose of analyzing trends or differences between population groups or within groups over time as a result of monitoring or interventions (nutritional, pharmacologic, therapeutic, activity). However, for large sample sizes, manual data entry from individual reports can be cumbersome and subject to human error. Exporting raw data directly from the DXA machine also presents challenges. PURPOSE: To …
Increasing The Incidence Of Type 2 Diabetes In Ucd-T2dm Female Rats, Chandni Bhagtaney, Austin Thornton, Milena Samora, Ali Mossayebi, Kimber L. Stanhope, Peter J. Havel D.V.M., Ph.D., Audrey J. Stone, Michelle L. Harrison
Increasing The Incidence Of Type 2 Diabetes In Ucd-T2dm Female Rats, Chandni Bhagtaney, Austin Thornton, Milena Samora, Ali Mossayebi, Kimber L. Stanhope, Peter J. Havel D.V.M., Ph.D., Audrey J. Stone, Michelle L. Harrison
International Journal of Exercise Science: Conference Proceedings
The prevalence of type 2 diabetes mellitus (T2DM) is higher for men compared with women, yet women present with a greater risk factor burden at the time of their diagnosis. Currently, research is lacking that addresses these sex-specific differences in disease onset and progression, research that is critical to understanding the pathophysiology of diabetes and developing optimal treatment strategies for both women and men. These same sex differences are present in animal models of T2DM. The paucity of suitable T2DM animal models is a barrier to investigations of these sex differences. The University of California Davis (UCD)-T2DM rat model, bred …
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 …
Voluntary Wheel Running Improves Glucose Homeostasis And Visceral Adiposity In Old Mice, Alexandra Canizales, David J. Buckley, Sogol Zahedi, Daniel W. Trott
Voluntary Wheel Running Improves Glucose Homeostasis And Visceral Adiposity In Old Mice, Alexandra Canizales, David J. Buckley, Sogol Zahedi, Daniel W. Trott
International Journal of Exercise Science: Conference Proceedings
Age is an independent risk factor for the development of type 2 diabetes, which is characterized in part by impaired glucose homeostasis, greater body weight and visceral adiposity. In older humans, exercise has been demonstrated to be a viable modality to improve these aforementioned outcomes. Surprisingly, to date, no one has assessed whether exercise improves glucose tolerance in old mice. Further the mechanism(s) of improvement in old animals independent of overt obesity is not well understood. PURPOSE: The purpose of this study was to determine whether 8 weeks of voluntary wheel running would result in improved glucose tolerance and …
Comparison Of Reds Risk Factors In Physique Focused And Non-Physique Focused Collegiate Athletes In The Dfw Metroplex, Nicole Cipriano, Diana Kolb, Ross Moody, Nicholas Lopez, Jason Stephens, Sarah Deemer
Comparison Of Reds Risk Factors In Physique Focused And Non-Physique Focused Collegiate Athletes In The Dfw Metroplex, Nicole Cipriano, Diana Kolb, Ross Moody, Nicholas Lopez, Jason Stephens, Sarah Deemer
International Journal of Exercise Science: Conference Proceedings
Physique-focused (PF) sports have a higher emphasis on aesthetics as an aspect for performance compared to non-physique-focused (NPF) sports. PF sports emphasize body image, leading athletes to prioritize leanness or low body weight, which could put them at increased risk for Relative Energy Deficiency in Sport (REDs). PURPOSE: This study aims to compare weight, body composition, bone mineral density (BMD), and EDE-Q global score between PF and NPF athletes to assess potential REDs risk. METHODS: 35 current Division I or II collegiate athletes from the DFW metroplex participated in this study. During a morning fasted visit (0700-0900), participants …
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 …
Preliminary Analysis Of Physiological Changes In Collegiate Artistic Swimmers During Competition Season: A Prospective Study, Ashley M. Latchford, Kelsi Lambright, Colton Sopher, Dan E. Newmire
Preliminary Analysis Of Physiological Changes In Collegiate Artistic Swimmers During Competition Season: A Prospective Study, Ashley M. Latchford, Kelsi Lambright, Colton Sopher, Dan E. Newmire
International Journal of Exercise Science: Conference Proceedings
Despite the increasing popularity and competitiveness of artistic swimming, female athletes in this sport remain understudied. PURPOSE: The objective of this study is to examine the physiological changes experienced by female collegiate artistic swimmers throughout a competition season, from pre-season to late-season. Since artistic swimming lacks mechanical stress and involves reduced gravitational forces due to water immersion, there is concern of reduced bone mineral density (BMD) over time. Decreased calorie intake whilst increasing practice session duration can cause menstrual cycle irregularity, which may also negatively affect BMD and the health of female athletes. By offering detailed insights into the physiological …
Sex Specific Differences In The Response To Short Term Muscle Disuse In Middle Aged Adults, Sean P. Kilroe, Zach Von Ruff, Hanna Kalenta, Emily Arentson-Lantz, Andrew J. Murton, Douglas Paddon-Jones, Blake B. Rasmussen
Sex Specific Differences In The Response To Short Term Muscle Disuse In Middle Aged Adults, Sean P. Kilroe, Zach Von Ruff, Hanna Kalenta, Emily Arentson-Lantz, Andrew J. Murton, Douglas Paddon-Jones, Blake B. Rasmussen
International Journal of Exercise Science: Conference Proceedings
Research on short term muscle disuse has demonstrated the numerous adverse effects it causes on skeletal muscle. These include reductions in function and mass, as well as insulin sensitivity, mitochondrial function and muscle protein synthesis. However, little is known about the sex specific differences in how males and females respond to muscle disuse. PURPOSE: To investigate the sex specific differences in how males and females respond to short term disuse. METHODS: Sixteen healthy, middle-aged adults (8 males; 57.9±1.8 yr; BMI 29.9±1.2 kg·m-2; 8 females; 55.1±1.6 yr; BMI 28.9±1.0 kg·m-2) underwent 7 days of unilateral leg immobilization …
24-Hour Movement Behaviors And Neurodevelopmental Outcomes In Mexican Preschoolers: Exploring Bmi As A Potential Mediator, Christian Corral, Alejandra Jauregui De La Mota, Gabriela Argumedo, Armando G. Olvera, Nicolas Aguilar, Anthony D. Okely, Deborah Salvo
24-Hour Movement Behaviors And Neurodevelopmental Outcomes In Mexican Preschoolers: Exploring Bmi As A Potential Mediator, Christian Corral, Alejandra Jauregui De La Mota, Gabriela Argumedo, Armando G. Olvera, Nicolas Aguilar, Anthony D. Okely, Deborah Salvo
International Journal of Exercise Science: Conference Proceedings
Movement behaviors – sleep, sedentary behavior, and physical activity – affect children’s health. However, the differential effect of specific physical activity intensities remains understudied, particularly in low and middle income countries facing the double burden of disease. PURPOSE: To examine the associations of 24-hour movement behaviors on neurodevelopmental outcomes in Mexican preschoolers. We also explore the associations of movement behaviors with body mass index (BMI) and mediation by body mass index in the association with neurodevelopment. METHODS: 64 children (age = 4.36 ± 0.42 years, 48% female) in the Mexican pilot of the International Study of Movement Behaviors …
Muscle Metabolic Profile Following Acute Exercise In Mice With Constitutively Active Mtorc1, Hanna Kalenta, Sean P. Kilroe, Trevor B. Romsdahl, Erik D. Marchant, Rosario Maroto, Jennifer J. Linares, William K. Russell, Blake B. Rasmussen
Muscle Metabolic Profile Following Acute Exercise In Mice With Constitutively Active Mtorc1, Hanna Kalenta, Sean P. Kilroe, Trevor B. Romsdahl, Erik D. Marchant, Rosario Maroto, Jennifer J. Linares, William K. Russell, Blake B. Rasmussen
International Journal of Exercise Science: Conference Proceedings
An increase in Mechanistic Target of Rapamycin Complex I (mTORC1) kinase activity stimulates muscle protein synthesis in response to amino acids, growth factors, energy, and mechanical stimuli. We previously found muscle hypertrophy and increased mitochondrial respiration in resting mice with chronically active mTORC1 (i.e., an inducible skeletal muscle specific DEPDC5 knockout (KO) model), but no improvement in muscle quality and function. PURPOSE: The purpose of this study was to determine the metabolic profile of skeletal muscle in DEPDC5 KO and wild-type (WT) male and female mice following 1-hour of treadmill exercise. METHODS: Targeted metabolomics was performed on quadricep …
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 …
The Caloric Cost Of Self-Paced Exercise In Total Body Tabata, Treadmill Running Tabata, And Continuous Treadmill Running., Lily Hargrove, Austin Dunn, James Rowe
The Caloric Cost Of Self-Paced Exercise In Total Body Tabata, Treadmill Running Tabata, And Continuous Treadmill Running., Lily Hargrove, Austin Dunn, James Rowe
International Journal of Exercise Science: Conference Proceedings
PURPOSE: Compare the energy expenditure (EE) of three exercise bouts when performed at a self-selected pace. METHODS: Active men (n=11) and women (n=9) performed 3 separate exercise bouts at a self-selected pace: total body Tabata (TBT), treadmill running Tabata (TRT), and continuous running (CONT) in a counterbalanced manner. Bouts consisted of a 10-minute rest period, 25-minutes of exercise, and a 25-minute recovery period. TBT consisted of repeated cycles of body calisthenics for 20 seconds with 10-seconds rest in between. TRT consisted of repeated sprints on a treadmill in the same manner as TBT. CONT was continuous running on a …
Targeted Soleus Muscle Activation Enhances Very Low-Density Lipoprotein Triglyceride Metabolism Via Lipoprotein Lipase, Daniel P. Leblanc, Marc T. Hamilton
Targeted Soleus Muscle Activation Enhances Very Low-Density Lipoprotein Triglyceride Metabolism Via Lipoprotein Lipase, Daniel P. Leblanc, Marc T. Hamilton
International Journal of Exercise Science: Conference Proceedings
Lipoprotein lipase (LPL) is the rate limiting enzyme for tissue specific plasma triglyceride (TG) utilization. There is a strong causal link between LPL and cardiovascular health. PURPOSE: Our translational studies investigated the soleus muscle aiming to answer the following questions: What are the mechanisms responsible for the potent process of regulating LPL within the soleus muscle? Can individuals with low fitness levels capitalize on the unique phenotype of the soleus muscle to markedly enhance systemic plasma lipid metabolism through localized contractile activity, even though the muscle constitutes only ~1% of body weight? METHODS: We began by testing the hypothesis that …
Elevated Mtorc1 Signaling In Skeletal Muscle Alters Mitochondrial Dynamics And H2o2 Production And Exacerbates Diet-Induced Hyperglycemia, Erik D. Marchant, Hanna Kalenta, Sean P. Kilroe, Jacquelyn May, Blake B. Rasmussen
Elevated Mtorc1 Signaling In Skeletal Muscle Alters Mitochondrial Dynamics And H2o2 Production And Exacerbates Diet-Induced Hyperglycemia, Erik D. Marchant, Hanna Kalenta, Sean P. Kilroe, Jacquelyn May, Blake B. Rasmussen
International Journal of Exercise Science: Conference Proceedings
The mechanisms underlying skeletal muscle insulin resistance are not completely understood, but altered signaling through mTORC1 is associated with insulin resistance. PURPOSE: Determine if the disruption of the GATOR1 complex and subsequent mTORC1 hyperactivation is sufficient to drive insulin resistance in skeletal muscle with or without a western diet. METHODS: Muscle-specific DEPDC5 (a component of GATOR1) knockout mice or littermate controls were administered a western diet or control synthetic chow for 12 weeks and assessed for fasting glucose and insulin, oral glucose tolerance, and mitochondrial dynamics and function (respiration and H2O2 production). RESULTS: Western diet increased fasting …