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Maximal Resistance Training In The Treatment Of Anorexia Nervosa – A Case Report Series, Darren R. Healy, Nicole Mansson, Mia Furu, Solfrid Bratland-Sanda, Jan Magnus Sjögren

International Journal of Exercise Science

International Journal of Exercise Science 17(3): 308-326, 2024. Objective: Anorexia Nervosa (AN) has one of the highest mortality rates of all mental health disorders, low recovery rate and is associated with widespread endocrine dysfunction. Resistance training (RT) has been consistently shown to provide beneficial effects on health outcomes that are often negatively affected by AN, however participation in exercise is controversial for individuals with AN. The objective of this study was to assess the effects of maximal RT as an add-on to standard of care in patients with AN. Methods: Originally, a controlled clinical trial was planned but due to …

Protective Factors Of Low Bone Mineral Density: An Examination Between Two Samples Of Premenopausal Women, Charlene Norgan Radler, Christine M. Florez, Colin Wilborn, Lem Taylor, Ariane Hollub Secrest

International Journal of Exercise Science: Conference Proceedings

While minimal longitudinal data exists to support osteoporosis screening among premenopausal women, an increasingly modernized society may contribute to modifiable osteoporosis risk factors including poor nutrition and low physical activity. Evaluation of bone mineral density (BMD) and body composition differences in populations with varied levels of physical activity is of importance. PURPOSE: The purpose of the current research was to determine if there is a difference across body composition measurements including total lean mass, body mass index (BMI), and BMD among a subset of physically active premenopausal women (ACTIVE) at a small, southern Christian university compared to premenopausal women …

Comprehensive Analysis Of Mental Toughness Predictors Using Machine Learning Techniques, Olivia Russell, Tomas Chapman-Lopez, Ricardo Torres, Meena Meiyyappan, Leroy Bolden, Kimberly Smith, Andreas Stamatis, Jeffrey S. Forsse

International Journal of Exercise Science: Conference Proceedings

Mental toughness (MT) is a critical determinant of success in various high-pressure environments. Traditional methods of assessing MT often rely on subjective metrics only (self-assessed questionnaire scores), which may lack the precision and objectivity necessary for a thorough understanding. PURPOSE: To develop an objective, quantitatively robust model to predict MT, by integrating physiological and psychological variables using machine learning (ML) techniques. METHODS: The study involved a sample of 50 participants, encompassing diverse demographic backgrounds and physiological (e.g., DEXA, complete metabolic and lipid panel, and complete blood count) and psychological (e.g., Mental Toughness and Self-compassion surveys) characteristics. The analysis …

Evaluating Rotc Cadets Nutritional Competency, Dietary Habits, And Overall Health, James L. Lilly, Sarah E. Johnson, Adriana Gil, Broderick Dickerson, Ryan J. Sowinski, Steven E. Martin, Drew E. Gonzalez

International Journal of Exercise Science: Conference Proceedings

Reserve Officer Training Corps (ROTC) cadets regularly have highly stressful and physically demanding training, making adequate nutritional knowledge and eating habits essential for optimal health and physical performance. However, there is limited work looking at the ROTC cadet’s nutritional knowledge, dietary patterns, and perceived health. PURPOSE: This study aimed to investigate ROTC cadets' nutrition knowledge and perceived health. METHODS: Cross-sectional data were obtained from 174 ROTC cadets regarding nutritional knowledge and self-reported health via validated paper-based questionnaires, including the Perceived Barriers to Healthy Eating and a General Sports Nutrition Questionnaire. The questionnaire data were analyzed using SPSS version …

The Caloric Cost Of Self-Paced Exercise In Full Body Tabata, Treadmill Running Tabata, And Continuous Running, Austin Dunn, James R. Rowe

International Journal of Exercise Science: Conference Proceedings

Weight management via exercise is critical in both athletic and general populations. It is unclear what modality of exercise elicits the greatest caloric efficiency. PURPOSE: To compare the energy expenditure of three different exercise regimens when performed at a self-selected pace. METHODS: Recreationally active men (n=3) and women (n=4) 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 with at least 48h between bouts. Trials consisted of a 10-minute rest period, 5-minute warmup, 25-minute exercise bout, and a 25-minute recovery period. TBT consisted …

The Ability Of Cardiac Autonomic Modulations Stress Index To Independently Predict Vo2max In Cardiometabolically Healthy Individuals, Leticia C. De Souza, Ricardo Torres, Chris Wynveen, Leroy Bolden, Tomas Chapman-Lopez, Leslee Funderburk, Jeffrey S. Forsse

International Journal of Exercise Science: Conference Proceedings

Cardiac autonomic modulation (CAM) is crucial for heart health, mediated by the sympathetic and autonomic systems (SAS). The link between CAM and aerobic exercise underscores the importance of aerobic fitness assessments in optimizing training to enhance performance. Heart rate variability (HRV) assesses CAM in various healthy populations, with the Stress Index (SI) identified as key in determining the SAS regulation involvement in performance and recovery outcomes. The SI may provide a quick and non-invasive metric to assess aerobic performance. PURPOSE: To determine if the SI can accurately predict aerobic performance via VO₂max in healthy individuals free of metabolic …

Understanding Health-Resource Needs To Mitigate Barriers Toward Healthy Lifestyles In Rural Communities, Esther P. Kim, Claire C. Baetge, Megan Mcclendon, Katelyn Murphy, Miquela Smith, Mikayla Cole, Mark D. Faries

International Journal of Exercise Science: Conference Proceedings

Understanding the specific resources that support the ability to live a healthy lifestyle in rural communities can help to improve future interventions and decrease the prevalence of chronic diseases. Though, the research discussing the perceived health-related barriers prevalent in rural communities is limited. PURPOSE: To evaluate perspectives of rural adults on the most influential health-related resources needed to improve healthy behaviors throughout rural communities in Texas, with the intent to further help meet the immediate health needs of the communities. This evaluation was a part of a statewide project, Community Conversations on Health, in partnership with the Texas …

Effect Of The Physical Inactivity Duration On Postprandial Lipid Metabolism The Morning After Exercise, Jieting Wang, Chelsea Merseal, Hadi Fareed, Remzi Satiroglu, Edward Coyle

International Journal of Exercise Science: Conference Proceedings

In physically active people (e.g., ~8,000 steps/d), an acute bout of exercise improves postprandial fat metabolism when measured the morning after exercise. However, in people who have been inactive for more than two days, the acute bout of exercise does not improve postprandial fat metabolism as reflected by a greater increase in plasma triglyceride concentration and a reduced whole body fat oxidation. This phenomenon whereby fat metabolism is suppressed by prior inactivity is termed ‘exercise resistance’. PURPOSE: The purpose was to determine if shorter periods (i.e., less than two days) of inactivity (i.e., 12, 24, 36 h) induce ‘exercise …

Comparison Of Oxygen Consumption In 4-Second Sprint Interval Exercise With Varied Intensity And Rest Period, Remzi Satiroglu, Christos Kyrillou, Jieting Wang, Edward Coyle

International Journal of Exercise Science: Conference Proceedings

Sprint interval training (SIT) is usually performed at maximal ‘all-out’ intensities, that are 5-8-times higher than the power needed to elicit VO_2peak. However, the %VO_2peak associated with repeated submaximal power sprints (%P_max), particularly when paired with varying rest periods, remains unknown. Investigating the %VO_2peak in repeated submaximal power sprints is pivotal, enabling the personalization of workout routines to specific training goals.

PURPOSE: The aim of this study was to systematically investigate the acute physiological responses induced by three levels of %P_max intensities (50%, 75%, and 100% of P_max) with three varying …

Quantifying The Chronic Thermoregulatory Adaptations In Hot Repair Work Team Members At Vitro Architectural Glass, Breanna Leary

International Journal of Exercise Science: Conference Proceedings

Extended exposure to elevated temperatures and thermal conditions or environments can lead to extreme elevations in the body’s core temperature, heart rate, heat perception, and sweat loss. Subsequently, this leads to a decrease in physical mobility, cognitive function, and alertness, therefore, negatively impacting work efficiency and safety. Due to the demands of their job, members of the hot repair team at Vitro Architectural glass are exposed to high (140 to 160°F) ambient temperatures and physically demanding work on a regular basis. These conditions make normal working activities incredibly challenging, and have resulted in heat related illnesses (HRI) in the past. …

Self-Reported Dietary Habits And Barriers Among Rotc Cadets, Sarah E. Johnson, Adriana Gil, Broderick Dickerson, James L. Lilly, Ryan J. Sowinski, Steven E. Martin, Drew E. Gonzalez

International Journal of Exercise Science: Conference Proceedings

Reserve Officer Training Corps (ROTC) cadets' highly demanding lifestyle may negatively impact health and performance. Reports also suggest they are at risk for poor nutrition, i.e., low energy availability or not meeting Military Dietary Reference Intakes. Still, there are limited data on the barriers to proper nutrition and eating habits among ROTC cadets. PURPOSE: This study aimed to investigate the dietary habits of ROTC cadets and the factors or barriers influencing them. METHODS: Cross-sectional data were obtained from 173 ROTC cadets about nutritional habits, factors, and barriers via validated paper-based questionnaires including; the Perceived Barriers to Healthy Eating, …

Knee Joint Degeneration In 22-Year-Old Collegiate Soccer Player, Abigail Nemec, Nathalie Caldwell

International Journal of Exercise Science: Conference Proceedings

CASE HISTORY: Patient was a 22-year-old DIII soccer player in the left back position. She has experienced chronic bilateral knee pain since her junior year of high school with an insidious onset of injury. She began training to return to play in the summer of 2022 and received multiple types of therapy to alleviate pain including cupping of hamstrings and quadriceps, TFL release, patellar tendon treatment, dry needling, ultrasound, combo, and KT taping for patellar tracking. At the first fall scrimmage, she began experiencing severe pain rated at a 9/10. The patient was referred to an orthopedic physician when …

Self-Reported Dietary Habits And Barriers Among First Responders, Adriana Gil, Ryan J. Sowinski, Kristen Mackenzie-Shalders, Steven E. Martin, Robin (Rob) Marc Orr, Drew E. Gonzalez

International Journal of Exercise Science: Conference Proceedings

Firefighters (FFs) and law enforcement officers (LEOs) have a high, lifestyle-related, risk for health conditions such as cardiovascular disease (CVD). Nutritional intervention has been identified as a critical area to improve these risk factors. However, there are limited data regarding the dietary habits and barriers of FFs and LEOs. PURPOSE: This study aimed to investigate the dietary habits of first responders and the factors or barriers influencing them. METHODS: Cross-sectional data were obtained from 21 first responders regarding nutritional habits, factors, and barriers via validated paper-based questionnaires which include; the Perceived Barriers to Healthy Eating, Food Choice Questionnaire, …

Impact Of Menstrual Cycle On Submaximal Exercise Vo2 And Critical Power In Active Eumenorrheic Females, Emma W. Ware, Adelle Kanaan, Erika R. Zoellner, Catherine Mbango, Deltra Muoki, Wayne Brewer, Mindy Patterson, Derek Miketinas, Siddhartha Angadi Facsm, Brandon J. Sawyer, Glenn A. Gaesser Facsm, Wesley J. Tucker

International Journal of Exercise Science: Conference Proceedings

The effects of the menstrual cycle (MC) on exercise metabolism and performance are equivocal. PURPOSE: To investigate whether the MC impacted submaximal exercise oxygen consumption (VO₂) and Critical Power (CP) in recreationally active, eumenorrheic females. METHODS: Eight eumenorrheic females (Age: 33±8 y, VO_2max: 36.9±3.8 ml/kg/min) completed fasted exercise testing in 3 distinct phases of the MC (early follicular, late follicular, and mid luteal). MC phase was determined using calendar-based counting, ovulation test strips, and confirmed via serum hormones (estrogen and progesterone). For submaximal exercise, participants cycled for 20 min at 50% VO_2max while VO_{2 …}

Patient Perceptions Of Pain Before And After Cupping, Adam Woodward, Melissa D. Long

International Journal of Exercise Science: Conference Proceedings

Cupping is an ancient modality that has many benefits. Benefits include improving blood flow, decreasing pain, and increasing function to the applied (Cage et. al., 2020). Research has shown that cupping and its effectiveness can be manipulated by perceptiveness and perceived thoughts about the modality itself, by the clinician and patient (Cage et. al., 2020, Silva et. al. 2019). PURPOSE: The purpose of this study was to collect data that will assist in making clinical decisions regarding cupping as a therapy. The research question that this study aims to answer is: Does cupping therapy decrease patient-reported pain due to …

Impact Of Menstrual Cycle On Resting And Postprandial Metabolism In Recreationally Active, Eumenorrheic Females, Adelle Kanaan, Emma Ware, Erika Zoellner, Catherine Mbango, Deltra Muoki, Wayne Brewer, Mindy Patterson, Derek Miketinas, Siddhartha Angadi, Glenn A. Gaesser, Wesley Tucker

International Journal of Exercise Science: Conference Proceedings

Changes in estrogen and progesterone across the menstrual cycle impact many biological systems including resting and postprandial metabolism. PURPOSE: To investigate whether menstrual cycle phase impacted resting and postprandial energy expenditure (EE) and substrate utilization in recreationally active, eumenorrheic females. METHODS: In this study, 8 eumenorrheic females (mean±SD age: 33±8 years, BMI: 22.5±2.2 kg/m²; VO_2max: 36.9±3.8 ml/kg/min) had resting energy expenditure (REE) and substrate utilization continuously measured with indirect calorimetry for 45 min at rest after an overnight fast, and for 3 h after a mixed meal (490 kcal, 53% carbohydrate, 31% fat, 20% …

Responses Of Inflammatory Biomarkers In Circulation And Peripheral Blood Mononuclear Cell To Maximal Exercise With Nasal Breathing, Vineet K. Paidisetty, Jose M. Moris, Yunsuk Koh

International Journal of Exercise Science: Conference Proceedings

There is growing interest in utilizing nasal breathing (NB) in exercise routines to improve performance. However, there is uncertainty on the impact of such exercise on inflammatory biomarkers in circulation and peripheral blood mononuclear cells (PBMCs), which play a significant role in immune response. PBMCs can undergo functional changes from interactions with exercise-related cytokines, potentially inducing a more efficient immune response. PURPOSE: This study examined the acute responses of pro- and anti-inflammatory cytokines in circulation and PBMCs following a maximal exercise with NB. METHODS: Eleven physically healthy, sedentary men (age = 20.63 ± 1.36, BMI = 26.03 ± 3.16 kg/m …

Creatinine Is A Sensitive Blood Biomarker For Muscular Strength And Power In College Students, Ronaldo Garza, Jane Sequeira, Matthew P. Gonzalez, Enrique Rios, Giles J. Andrews Iii, Emily Getreu, Sandor Dorgo, Kelly Cheever, Tianou Zhang

International Journal of Exercise Science: Conference Proceedings

Creatinine is a chemical metabolic product of creatine phosphate from skeletal muscle metabolism, and it is an indicator of muscular functions in athletic and physically active population. However, creatinine’s association with human performance remains yet to be explored. Understanding this correlation may help to identify a sensitive biomarker predicting muscular strength and powers in college students. PURPOSE: To explore the correlations between plasma creatinine and muscle strength and power tests, including broad jump (BJ), vertical jump (VJ), isometric mid-thigh pulls (IMTP) and hand grip strength (HGS). METHODS: 18 college students were recruited (Male=10, Female=8) and blood samples were collected to …

Authenticity Of The Ratio Of Inorganic Phosphate To Phosphocreatine As A Marker For Respiratory Stress During A Maximal Aerobic Exercise, Christian J. Chang, Jose M. Moris, Ryan Curtis, Kylie Allen, Vineet K. Paidisetty, Yunsuk Koh

International Journal of Exercise Science: Conference Proceedings

Under the context of assessing the effects of mitochondrial stress on skeletal muscles, consideration for the ratio of inorganic phosphate to phosphocreatine (Pi:PCr) may be used as a surrogate marker. Furthermore, assessing the systemic Pi:PCr, under states of high metabolic and respiratory demands with reduced oxygen supply (VO2), such as strenuous exercise while only using nasal breathing (NB), might provide valuable information regarding respiratory strain to a given exercise bout. PURPOSE: To determine if the systemic assessment of the Pi:PCr ratio can serve as an indicator of respiratory stress. METHODS: Fourteen young males (age = 20.57 ± 1.22 …

The Effect Of Capsaicin On Peak Force And Rate Of Force Developement In Resistance-Trained Men - A Pilot Study, Jalyn Dunlap, Nigel Jiwan, Casey Appell, Andrew Schindel, Jon Berrios, Savannah Adjetey, Mia Uriegas, Hui-Ying Luk

International Journal of Exercise Science: Conference Proceedings

Capsaicin (CAP) is a robust stimulator of transient receptor potential vanilloid 1 (TRPV1), which promotes calcium (Ca²⁺) efflux from the sarcoplasmic reticulum and can potentiate cross-bridge formation that has the potential to affect peak force and rate of force development (RFD). However, its effect on overall lower body strength is limited. PURPOSE: To determine the effect of acute CAP consumption on peak force and RFD in resistance-trained men. METHODS: Resistance-trained men (n=5; age: 22±2years, mass: 80.9±11.9kg; height: 177.3±6.6cm) were supplemented either with 2.4mg of CAP or placebo (PL; microcrystalline cellulose). Prior to (PRE) and 45 minutes …

Assessing The Differences Between Chewing And Swallowing Arugula Extract Capsules On The Concentrations Of Nitric Oxide Metabolites In Metabolically Healthy Males, Tomas J. Chapman-Lopez, Leroy Bolden, Dylan T. Wilburn, Jeffery L. Heileson, Rodney Sturdivant, Andrew R. Gallucci, Leslee K. Funderburk, Jeffrey S. Forsse

International Journal of Exercise Science: Conference Proceedings

Previous literature has examined the benefits of consuming nitrate (NO3)-rich crops (e.g., beetroot, spinach, watercress, arugula) on endothelial function due to their positive influence on nitric oxide (NO) production from the utilization of nitrate-reducing bacteria in the oral microbiome. However, there has yet to be a study addressing how the method of consumption may influence the role the oral microbiome plays in the degradation of NO3 to NO from consuming an encapsulated NO3-rich crop. PURPOSE: To determine the differences in NO metabolite concentrations following two different methods (e.g., chewing, swallowing) of consuming the encapsulated arugula extract. METHODS: Eight, …

Enhancing Oxygen Uptake Efficiency Through Nasal Breathing In Aerobic Exercise, Kylie Allen, Jose M. Moris, Ryan Curtis, Christian J. Chang, Brandon Arnold, Yunsuk Koh

International Journal of Exercise Science: Conference Proceedings

An individual’s ability to use oxygen to sustain aerobic performance, as denoted by the oxygen uptake efficiency (OUE), is calculated by dividing oxygen uptake (VO₂) by ventilation (VE). Whether nasal breathing (NB) during exercise would improve OUE more significantly compared to combined breathing (CB) remains uncertain. PURPOSE: To determine the effects of utilizing NB during exercise on OUE. METHODS: Fourteen males (age: 20.57 ± 1.22 yrs; BMI: 26.03 ± 3.16 kg/m2) were randomly assigned to the NB (n = 8) or CB (n = 6) group for a 4-week supervised aerobic exercise intervention conducted four times …

Glutathione Peroxidase Enzymatic Activity In Response To Transient Hypercapnic Aerobic Exercise, Ryan Curtis, Jose M. Moris, Christian J. Chang, Kylie Allen, Brandon Arnold, Yunsuk Koh

International Journal of Exercise Science: Conference Proceedings

Nasal breathing (NB) during aerobic exercise has gained attention due to its potential benefits to physical performance and health adaptations. However, it is unclear how an NB-induced increase in the partial pressure of CO₂ (PetCO₂) affects the enzymatic activity of glutathione peroxidase (GPX). PURPOSE: To determine the activity of GPX after 1-month of transient hypercapnic training induced by NB. METHODS: Fourteen males (age = 20.57 ± 1.22 yrs) were randomized to either the NB (n = 8) or combined breathing (CB, n = 6) group. Participants performed supervised aerobic training 4 times per week at ~70% …

Exercise Training With Nasal Breathing Increased Forced Expiratory Volume, Brandon W. Arnold, Jose M. Moris, Christian J. Chang, Ryan Curtis, Kylie Allen, Yunsuk Koh

International Journal of Exercise Science: Conference Proceedings

Forced vital capacity (FVC) and its two components [forced expiratory volume during the first second (FEV_1.0) and peak expiratory flow (PEF)] denote lung function and can be affected by respiratory compliance. Performing an aerobic exercise with nasal breathing (NB) could be beneficial to elicit more significant FVC improvements compared to combined breathing (CB). PURPOSE: To determine if four weeks of aerobic training with NB could improve FVC more than CB. METHODS: Fourteen young males (age = 20.57 ± 1.22 yrs and BMI = 26.03 ± 3.16 kg/m²) participated in the 4-week supervised exercise intervention, consisting of …

Release Of Microrna15a/16 From Skeletal Muscle During Exercise Regulates Proteostasis In Muscle And Cancer, Patrick Ryan, Selina Uranga, James D. Fluckey

International Journal of Exercise Science: Conference Proceedings

Proteostasis, the intricate process of maintaining the proteome, is a critical matter for cellular health. The regulation of the multiple intersecting metabolic pathways comprising the proteostatic network is correspondingly complex and incompletely understood; however, a new and intriguing candidate in understanding this process has emerged in the form of microRNA (miRNA), small RNA species which are capable of regulating hundreds of genes at once by binding to and degrading mRNA transcripts. We have previously shown that muscle contraction results in the release of two miRNA species (miR15a/16) from skeletal muscles, and that a perfusate rich in these miRNAs slows growth …

Southwestern University Health And Wellness Program Initiative, Laura A. Carrasco Torres, Taylor P. Hubbard, Vanessa Mikan Phd

International Journal of Exercise Science: Conference Proceedings

Employee wellness programs (EWPs) foster a sense of community within the workplace and have been found to improve job satisfaction, healthy behaviors, and long-term health for employees (Merrill et al., 2011 and Goetzel et al., 2014). A successful EWP must address the diverse background of their employees and educate them on the importance of good health and encourage healthy habits (Goetzel et al., 2014 and Castillo et al., 2019). PURPOSE: To provide interactive education sessions to promote healthy active lifestyle behaviors for both part- and full-time staff at Southwestern University. METHODS: Health education sessions were provided to part- …

Does Rinsing Out Your Mouth With A Carbohydrate Drink Before Exercising, As Well As Oral Vs. Nasal Breathing Have An Effect On The Rer?, Jacob A. Clemons, Edward Merritt

International Journal of Exercise Science: Conference Proceedings

The Respiratory Exchange Ratio (RER) is a commonly used indicator of the body’s metabolism in exercise studies. The RER is defined as the ratio of carbon dioxide produced to oxygen consumed and is used to estimate carbohydrate and fat oxidation in the body. An RER of 0.7 is indicative of fat breakdown with an RER of 1.0 indicative of high rates of carbohydrate metabolism. During steady-state exercise, the RER is thought to be a reliable indicator of whole-body metabolic demand, however, the introduction of carbohydrates to the mouth might have an immediate effect on the RER, affecting the reliability of …

Correlations Between Measured-To-Predicted Resting Metabolic Rate Ratio And Psychological Variables In Active Women, Jaylynn Rasco, Madelin R. Siedler, Christian Rodriguez, Christine M. Florez, Christian Lavalle, Ethan Tinoco, Alexandra Brojanac, Grant M. Tinsley

International Journal of Exercise Science: Conference Proceedings

RMRratio provides an indication of energy availability by comparing measured resting metabolic rate (RMR) to that predicted by an equation using values such as age, height, and lean mass. RMRratio has been associated with psychological variables such as cognitive restraint (CR) and Drive for Thinness (DT) in young, active women. PURPOSE: The purpose of this study was to assess the strength of correlation between these psychometric variables and RMRratio values using a variety of RMR prediction equations. METHODS: Forty-one generally healthy women were included in this analysis. All participants self-attested to engaging in two or more hours of moderate- to …

Healthy School Recognized Campus’ Impact On Middle School Children’S Physical Activity Levels And Cardiovascular Fitness, Hoang Dao, Minh Le, Paula Butler, Mia Putnam, Allyson Schaefers, Jacob Szeszulski

International Journal of Exercise Science: Conference Proceedings

Most current research is focused on the effectiveness of a single physical activity intervention. Healthy School Recognized Campus (HSRC) is a Texas A&M AgriLife Extension initiative that promotes the delivery of multiple physical activity and nutrition programs on a school campus, such as Walk Across Texas. PURPOSE: This study aims to determine whether HSRC will improve cardiovascular fitness and increase physical activity among middle school students. METHODS: Students completed the Youth Activity Profile (YAP) survey to assess the amount of time that students spent engaging in physical activity (during school, outside of school, on weekends) and sedentary behaviors, the …

Morning Vs Afternoon Differences In Hydration Status Assessments, Karissa A. Mesquita, Jan-Joseph S. Rolloque, Marcos Keefe, Ryan Dunn, Casey Appell, Nigel Jiwan, Hui-Ying Luk, Yasuki Sekiguchi

International Journal of Exercise Science: Conference Proceedings

First-morning spot samples are commonly used to assess hydration status accurately. However, there is a lack of literature examining the accuracy of afternoon spot samples to assess hydration status compared to the morning samples and the relationships between variables, especially in the afternoon assessments. PURPOSE: To compare the accuracy of using spot samples to monitor hydration status in both morning and afternoon and to identify relationships between each hydration assessment. METHODS: 24 participants (12 males; age: 21±2years, mass: 81.0±15.9kg; 12 females; age: 22±3 years, mass: 68.8±15.2kg) completed this study. Hydration measurements of urinary indices (urine color [U_{COL …}