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Articles 167941 - 167970 of 1826869
Full-Text Articles in Entire DC Network
Characterization Of Physical And Cognitive Performance And Hydration In Older Adults, Corey Lawrence, Casey R. Appell, Nigel C. Jiwan, Jarrod Blinch, Alan T. Ky, Ruben M. Moya, Cherish A. Keeney, Yasuki Sekiguchi, Hui-Ying Luk
Characterization Of Physical And Cognitive Performance And Hydration In Older Adults, Corey Lawrence, Casey R. Appell, Nigel C. Jiwan, Jarrod Blinch, Alan T. Ky, Ruben M. Moya, Cherish A. Keeney, Yasuki Sekiguchi, Hui-Ying Luk
International Journal of Exercise Science: Conference Proceedings
In younger adults, dehydration has been shown to impair physical and cognitive performance. Older adults are habitually hypohydrated alongside experiencing physical and cognitive performance deficits. Despite these deficits, the link between these factors remains unexplored. Purpose: To examine the effect of hydration status on physical and cognitive performance in older adults. Methods: Sixteen (5 men and 11 women) community-dwelling adults (74±7yr; 78.2±15.0kg; 161±11cm) completed measurements of hydration status (urine specific gravity [USG], urine color), bioelectrical impedance analysis (lean mass, fat mass, total body fluid, intracellular to extracellular fluid ratio [ICF: ECF]), blood pressure, physical performance (handgrip strength test, sit-to-stand test, …
Hemodynamic Differentials Between Sexes After Different Orders Of Upper- And Lower-Body Resistance Exercise, Alissa Olvera, Ryan D. Russell, Andrea Toledo, Abigail Gomez, Sophia Moreno, Yu Lun Tai
Hemodynamic Differentials Between Sexes After Different Orders Of Upper- And Lower-Body Resistance Exercise, Alissa Olvera, Ryan D. Russell, Andrea Toledo, Abigail Gomez, Sophia Moreno, Yu Lun Tai
International Journal of Exercise Science: Conference Proceedings
Diversifying upper- and lower-body resistance exercise (RE) sequences has been demonstrated to elicit various hemodynamic responses. However, the effects of various upper- and lower-body RE orders on hemodynamics between sexes remains unexplored. PURPOSE: To assess how the sequence of upper- and lower-body resistance exercises impacts hemodynamics between sexes. METHODS: Eleven men and ten women (23±3 vs. 22±2 years old) volunteered the study. Hemodynamic measurements, including mean arterial pressure (MAP), heart rate (HR), stroke volume (SV), cardiac output (CO), and total peripheral resistance (TPR) were assessed at rest, 15-20 (R1), and 25-30 (R2) minutes after either upper- and lower-body RE (UL) …
Does 24-48 Or 48-96 Promote Better Rem Sleep Within Firefighters?, Ernesto Balderrama Jr, Raquel J. Cavazos, Cheyenne Martinez, Bryan G. Meek, Hussien K. Jabai, Vipa Bernhardt, Michael D. Oldham
Does 24-48 Or 48-96 Promote Better Rem Sleep Within Firefighters?, Ernesto Balderrama Jr, Raquel J. Cavazos, Cheyenne Martinez, Bryan G. Meek, Hussien K. Jabai, Vipa Bernhardt, Michael D. Oldham
International Journal of Exercise Science: Conference Proceedings
A firefighter’s work schedule can be very demanding regardless if they work 24 hours followed by a 48-hour time off schedule or a 48-hour on followed by a 96-hour time off. Rapid Eye Movement (REM) sleep could be the deciding factor of how well a firefighter can perform following a certain work schedule. REM sleep is associated with the mental activity of dreaming; an individual averages 20-25% REM sleep of their total sleep time (Carskadon & Dement, 2005). REM is important for recovery because it can impact cognitive functions such as impulse control and decision making (Brunet, et al, 2020). …
Role Of Stimulation Intensity On Neuromuscular Electrical Stimulation Induced Changes In Energy Expenditure And Respiratory Quotient, Ulices Villalobos, Jehu N. Apaflo, Gabriel Narvaez, Joshua Labadah, Irene John Tomy, Sudip Bajpeyi
Role Of Stimulation Intensity On Neuromuscular Electrical Stimulation Induced Changes In Energy Expenditure And Respiratory Quotient, Ulices Villalobos, Jehu N. Apaflo, Gabriel Narvaez, Joshua Labadah, Irene John Tomy, Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
Neuromuscular Electrical Stimulation (NMES) is an alternative technique to stimulate muscle contraction for people who are unmotivated or experiencing physical impairments that prevent them from performing exercise. Previous studies have shown that the use of NMES-induced muscle contraction can increase energy expenditure (EE) and glucose utilization. However, it is unclear if the intensity of the NMES plays a role in the change in EE and glucose utilization. PURPOSE: To determine the effect of NMES intensity on NMES-induced changes in energy expenditure (EE) and whole-body substrate utilization. METHODS: Thirty-six sedentary overweight /obese men (n=15) and women (n=21) participated in …
Gender Differences In Incremental Force Production Accuracy Following A 3-, 6-, Or 12-Week Strength Training Course, Samantha S. Dardaman, Keely N. Hayden, Hunter P. Williams, Scott B. Martin
Gender Differences In Incremental Force Production Accuracy Following A 3-, 6-, Or 12-Week Strength Training Course, Samantha S. Dardaman, Keely N. Hayden, Hunter P. Williams, Scott B. Martin
International Journal of Exercise Science: Conference Proceedings
Subjective muscular force production is a commonly used psychophysiological method in resistance training and physical rehabilitation. However, limited research is available regarding whether differences exist in match-force production accuracy between male and female adults. PURPOSE: The purpose of this study was to examine the gender differences in perceived force production accuracy following participation in a strength training course. METHODS: Participants (20 males, 26 females) were sampled from an undergraduate strength training course. Using a hand-grip dynamometer, maximal and incremental force production measurements were collected with the participants in a seated position with their dominant forearm resting on a …
Thirty Minutes Of Electrical Muscle Stimulation Improves Glycemic Control, Jehu N. Apaflo, Irene John Tomy, Gabriel Narvaez, Joshua Labadah, Ulices Villalobos, Sudip Bajpeyi
Thirty Minutes Of Electrical Muscle Stimulation Improves Glycemic Control, Jehu N. Apaflo, Irene John Tomy, Gabriel Narvaez, Joshua Labadah, Ulices Villalobos, Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
Electrical muscle stimulation is a suitable skeletal muscle contraction modality for people with physical functional disabilities and other sedentary individuals. While the extensive use of this technique has focused primarily on muscle strengthening and regeneration during rehabilitation, there is an increasing research interest to explore its potential to improve other metabolic health parameters similar to the benefits of conventional exercise. PURPOSE: This study aims to determine the effect of acute electrical stimulation on glycemic control in a predominantly Hispanic population. METHODS: Thirty-one participants (Males: 10; Females: 21; BMI: 33.3 ± 7.1 kg/m2; Age: 35.1 ± 12.0 …
The Influence Of Initial Foot Position During Stand To Sit On Trunk And Knee Joint Movement Control, William V. Erlandson, Linda Steele
The Influence Of Initial Foot Position During Stand To Sit On Trunk And Knee Joint Movement Control, William V. Erlandson, Linda Steele
International Journal of Exercise Science: Conference Proceedings
During StandTS, trunk flexion and knee extensor eccentric control are two key factors influencing descending balance control of StandTS movement- trunk flexion plays an important role in controlling the vertical downward acceleration of the center of mass, while knee extensor eccentric control is essential for arresting the falling momentum to ensure a stable and safe landing. Since the initial foot position (IFP) is an important factor that can improve sit-to-stand (STS) performance by modifying STS kinematics and kinetics during the uprising phase, we explored the effects of IFPs on StandTS. PURPOSE: The purpose of this study was to examine the …
Analyzing Sex Differences And The Dose-Response Relationship Between Aerobic Exercise And Cognitive Processing Speed In Young Active Adults, Jamie A. Ambriz, Amber M. Shipherd, Desmond J. Millender, Christopher M. Hearon
Analyzing Sex Differences And The Dose-Response Relationship Between Aerobic Exercise And Cognitive Processing Speed In Young Active Adults, Jamie A. Ambriz, Amber M. Shipherd, Desmond J. Millender, Christopher M. Hearon
International Journal of Exercise Science: Conference Proceedings
Available research has identified a positive relationship between 10 minutes of aerobic exercise and improvements in cognitive processing speed (CPS) in young adults, although participant activity level was unclear Additionally, research indicates possible sex differences concerning exercise and CPS, defined as the rate in which human beings take in information and generate a response. PURPOSE: To investigate the potential effects of aerobic exercise bout length on cognitive processing speed in active adults. A secondary aim was to explore differences in CPS and aerobic exercise bout length between sexes. METHODS: Male (n=6) and female (n=6) participants who were …
Influence Of Evening Binge Alcohol Consumption On Sympathetic Transduction, Tatiana X. Solis Montenegro, Stephen Bender, Jennifer R. Bigalke, Jeremy A. Bigalke, Jason R. Carter
Influence Of Evening Binge Alcohol Consumption On Sympathetic Transduction, Tatiana X. Solis Montenegro, Stephen Bender, Jennifer R. Bigalke, Jeremy A. Bigalke, Jason R. Carter
International Journal of Exercise Science: Conference Proceedings
Evening alcohol consumption elicits an exaggerated increase in morning-after sympathoexcitation and heart rate, yet the effects of evening binge drinking on neural-cardiovascular coupling the morning after alcohol remain unknown. PURPOSE: The present study aimed to investigate the effects of evening binge alcohol consumption on sympathetic vascular transduction by examining blood pressure following bursts of muscle sympathetic nerve activity (MSNA). We hypothesized that evening alcohol would exaggerate morning-after blood pressure response to MSNA. METHODS: Twenty-nine healthy participants (14 men, 15 women; 28 2 yrs; 27 1 kg/m2) underwent a two-condition, randomized crossover design (i.e. alcohol drinking vs. …
Fitness Correlates To Firefighter Job Tasks, Chaehyun Byun, Francesca Aquilino, Ernesto Balderrama, Raquel J. Cavazos, Shelby Gerner, Cheyenne Martinez, Austin Riffe, Vipa Bernhardt, Michael D. Oldham, Hussien K. Jabai
Fitness Correlates To Firefighter Job Tasks, Chaehyun Byun, Francesca Aquilino, Ernesto Balderrama, Raquel J. Cavazos, Shelby Gerner, Cheyenne Martinez, Austin Riffe, Vipa Bernhardt, Michael D. Oldham, Hussien K. Jabai
International Journal of Exercise Science: Conference Proceedings
Firefighters have their focus on rescuing and responding in any emergency and fire situations (Antolini, 2015). The demand for firefighting includes a need for both aerobic and anaerobic fitness, along with muscular strength, endurance, explosive power, and reaction time (Xu, 2020). PURPOSE: The purpose of the study was to determine the relationship between fitness assessments and job task simulations in firefighter cadets. METHODS: 21 firefighter academy students performed fitness assessments and job task simulations on different days. Fitness assessments included vertical jump, lateral medicine ball throw, push up, horizontal row, and 300-yard shuttle run. Job task simulations were …
Effect Of At-Risk Drinking On Blood Pressure Recovery And Flow-Mediated Dilation Following Maximal Exercise Test In Young Adults, Keng-Yu Chang, Jonathan Pham, Alfredo Gil, Preston Truong, Tabitha Haun, Kelly Phan, Zhaoli Liu, Chue-Lung Hwang
Effect Of At-Risk Drinking On Blood Pressure Recovery And Flow-Mediated Dilation Following Maximal Exercise Test In Young Adults, Keng-Yu Chang, Jonathan Pham, Alfredo Gil, Preston Truong, Tabitha Haun, Kelly Phan, Zhaoli Liu, Chue-Lung Hwang
International Journal of Exercise Science: Conference Proceedings
Long-term at-risk drinking increases the risk of future alcohol-related problems, such as a decreased vasodilatory response which may influence blood pressure recovery following exercise. Young adults who are physically active are likely to engage in at-risk drinking. However, how alcohol drinking influences blood pressure recovery following exercise remains unclear in young adults. PURPOSE: To investigate the effect of at-risk drinking on blood pressure recovery and flow-mediated dilation (FMD) following maximal exercise test in young adults. METHODS: A total of 10 at-risk drinkers (4 female; mean ± SD for age: 26.7 ± 3.7 years and BMI: 24.5 ± 2.4 …
Exploring A Digital Audience’S Influence On Performance, Rating Of Perceived Exertion, And Social Physique Anxiety During A Bench Press Test, Daimien J. Campos, Amber M. Shipherd, Desmond J. Millender, Boram Lim
Exploring A Digital Audience’S Influence On Performance, Rating Of Perceived Exertion, And Social Physique Anxiety During A Bench Press Test, Daimien J. Campos, Amber M. Shipherd, Desmond J. Millender, Boram Lim
International Journal of Exercise Science: Conference Proceedings
The presence of a physical audience can influence exercise performance, rating of perceived exertion (RPE), and social physique anxiety (SPA). Previous research has shown high SPA can contribute to exercise avoidance behaviors, which can result in negative outcomes for physical and mental health. The expansion of social media usage now provides exercisers with an opportunity to interact with a digital audience. Previous studies have primarily focused on the impact of a physically present audience on exercise performance, RPE, or SPA, with little to no attention given to the influence of a digital audience (i.e., social media). PURPOSE: To explore the …
The Influence Of High-Intensity Interval Exercise On Vitamin-D Concentrations In Healthy Individuals, Leroy K. Bolden, Tomas Chapman-Lopez, Ricardo Torres, Jeffery Heileson, Meena Meiyyappan, Jeff S. Forsse
The Influence Of High-Intensity Interval Exercise On Vitamin-D Concentrations In Healthy Individuals, Leroy K. Bolden, Tomas Chapman-Lopez, Ricardo Torres, Jeffery Heileson, Meena Meiyyappan, Jeff S. Forsse
International Journal of Exercise Science: Conference Proceedings
Vitamin D (VD) deficiency is one of the most common deficiencies in the world due to various factors (e.g., lack of sun exposure, dietary considerations). Currently the utilization of exercise may act as an intervention for VD deficiencies to promote increases in VD concentrations in healthy populations. This could largely be due to the loss of calcium from aerobic exercise (AE), leading to a hormonal response [(e.g., parathyroid hormone (PTH)] and the activation of cytochrome’s (e.g., CYP2R1, CYP27B1) responsible for the regulation of VD. Thus, AE may serve as an intervention to promote VD synthesis due to the impacted biological …
Machine Learning Analysis Of Chronotype And Mental Toughness In Predicting Sleepiness Among Collegiate Dancers: Preliminary Findings, Alyssa Hudson, Andreas Stamatis
Machine Learning Analysis Of Chronotype And Mental Toughness In Predicting Sleepiness Among Collegiate Dancers: Preliminary Findings, Alyssa Hudson, Andreas Stamatis
International Journal of Exercise Science: Conference Proceedings
Understanding the interplay between chronotype (a trait-like characteristic denoting an individual's inherent preference for sleep and activity periods), mental toughness (MT; a state-like construct that equips individuals with the skills to endure adversity while pursuing goals), and sleepiness (a fluctuating state of propensity towards dozing off) is critical in domains where optimal performance is crucial, such as in athletics. The utilization of machine learning (ML) techniques to explore the impact of MT and chronotype on sleepiness categorization is notably scarce in collegiate dancing; thus, this approach could provide novel insights into managing dancers’ health and performance. PURPOSE: To evaluate …
The Effects Of Hydration Status On Heart Rate Variability Following Supramaximal Intensity Exercise, Ryan A. Dunn, Nigel C. Jiwan, Casey R. Appell, Andrew Schindel, Ryan Ellis, Jayln Dunlap, Christopher Washington, Isabell R. Trevino, Carson Lewis, Ruben E. Moya, Jan-Joseph S. Rolloque, Marcos S. Keefe, Hui-Ying Luk, Yasuki Sekiguchi
The Effects Of Hydration Status On Heart Rate Variability Following Supramaximal Intensity Exercise, Ryan A. Dunn, Nigel C. Jiwan, Casey R. Appell, Andrew Schindel, Ryan Ellis, Jayln Dunlap, Christopher Washington, Isabell R. Trevino, Carson Lewis, Ruben E. Moya, Jan-Joseph S. Rolloque, Marcos S. Keefe, Hui-Ying Luk, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Heart rate variability (HRV) is a non-invasive method used to monitor physiological stress via assessment of sympathetic and parasympathetic regulations and can indicate an individual’s recovery and readiness to exercise. Evidence suggests dehydration negatively impacts HRV; however, the influence of hydration status on HRV following supramaximal resistance exercise (RE) is unknown. PURPOSE: To investigate the effect of hydration status on HRV indices following supramaximal intensity RE. METHODS: 14 recreationally resistance-trained men (age, 21 ± 2 years; height, 176.25 ± 5.84 cm; weight, 81.31 ± 12.77 kg) participated in this study. In a randomized, counterbalanced order, participants performed a supramaximal intensity …
Economic And Performance Analysis Of Achilles Tendon Rupture In The National Basketball Association, Abram Qiu, Kristopher Meadows, Osasu Iyawe, Fei Ye, Kenneth Kenneth-Nwosa
Economic And Performance Analysis Of Achilles Tendon Rupture In The National Basketball Association, Abram Qiu, Kristopher Meadows, Osasu Iyawe, Fei Ye, Kenneth Kenneth-Nwosa
International Journal of Exercise Science: Conference Proceedings
Achilles tendon ruptures are common and potentially career-ending injuries for National Basketball Association (NBA) players. Many studies review the impact of Achilles tendon ruptures on return to play (RTP) and performance, but there are no studies on their economic significance. PURPOSE: This study aimed to analyze the economic and performance consequences of Achilles tendon ruptures. The financial burden for NBA teams was represented by the cost of recovery (COR) as well as preinjury salary and career success. We hypothesized that players with higher pre-injury salaries or performance would have an increased cost of recovery, higher rates of RTP, and …
Optimal Ranges Of Training Load And Recovery Status Prior To The Game To Maximize Game-Day Performance In Soccer, Cherish Keeney, Kelly B. Elliott, Jan-Joseph S. Rolloque, Ruben Moya, Kathryn E. Southall, Kealey J. Wohlgemuth, Jacob A. Mota, Yasuki Sekiguchi
Optimal Ranges Of Training Load And Recovery Status Prior To The Game To Maximize Game-Day Performance In Soccer, Cherish Keeney, Kelly B. Elliott, Jan-Joseph S. Rolloque, Ruben Moya, Kathryn E. Southall, Kealey J. Wohlgemuth, Jacob A. Mota, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Identifying ideal ranges of training load (TL) and recovery status before soccer games is essential to maximize game-day performance. PURPOSE: To determine how accumulative TL and subjective fatigue affect performance during the game. METHODS: Twenty-one male semi-professional soccer players (mean ± standard deviation; age: 22 ± 2 years; mass: 77.3 ± 6.9 kg) wore a player tracking device to monitor TL during each practice and game. A 7-day accumulation of high speed running and sprinting (HSR+Sprint, ³12.30 mph), total distance (TD), low acceleration (LowACC: 0.50-1.99 m×s-2), and high acceleration (HighACC: 2.00-50.00 m×s …
Tailored Injury Prevention In Ncaa Women’S Soccer: A 18-Year Team-Specific Epidemiological Analysis, Molly Gillikin, Rachel Lifson, Paul Mentele, Jessica Henslee, Carson Molaro, Xavier Smith, Ernest Rimer, Andreas Stamatis
Tailored Injury Prevention In Ncaa Women’S Soccer: A 18-Year Team-Specific Epidemiological Analysis, Molly Gillikin, Rachel Lifson, Paul Mentele, Jessica Henslee, Carson Molaro, Xavier Smith, Ernest Rimer, Andreas Stamatis
International Journal of Exercise Science: Conference Proceedings
Accurate understanding of injury patterns in athletes is essential for crafting effective prevention and rehabilitation strategies, enhancing player well-being and career longevity. However, relying solely on general NCAA injury surveillance data or broad epidemiological studies might not fully capture the specific injury trends in a particular NCAA team. Variations in team-specific factors could lead to deviations from these general patterns, underscoring the importance of analyzing team-specific data. This tailored approach ensures that training and rehabilitation protocols are optimally adjusted to the unique needs and injury risks of each specific team. PURPOSE: To identify common types of injuries, their frequencies, …
The Association Between Parent's Perception And Child's Actual Motor Skills In Preschool-Age Children, Katherine L. Breault, Mitchell P. Kay, Darius L. Mobley, Emily F. Jenkins, Cianna S. Edmondson, Kacie Gray, Crystal Alvarez, Priscila Tamplain, Jerraco L. Johnson
The Association Between Parent's Perception And Child's Actual Motor Skills In Preschool-Age Children, Katherine L. Breault, Mitchell P. Kay, Darius L. Mobley, Emily F. Jenkins, Cianna S. Edmondson, Kacie Gray, Crystal Alvarez, Priscila Tamplain, Jerraco L. Johnson
International Journal of Exercise Science: Conference Proceedings
The preschool years is a critical time for the optimal development of children's fine and gross motor skills for future engagement in physical activity. Parents play a critical role in the development of these skills and early identification of potential developmental delays in their children. Early identification of developmental delay is essential for early intervention and rely on accurate child screenings that are often administered by parents. Few studies have compared the accuracy of parent’s perceptions across two different measurements with children's actual motor skills. PURPOSE: This study compared parents' perceptions of their child’s motor skills on two assessments with …
Different Orders Of Combined Upper- And Lower-Body Resistance Exercise Induce Different Pulse Wave Reflection Responses Induce In Resistance-Trained Young Women, Andrea Toledo, Yu Lun Tai, Alissa Olvera, Sophia Moreno, Abigail Gomez, Melody Cantu, Ryan D. Russell
Different Orders Of Combined Upper- And Lower-Body Resistance Exercise Induce Different Pulse Wave Reflection Responses Induce In Resistance-Trained Young Women, Andrea Toledo, Yu Lun Tai, Alissa Olvera, Sophia Moreno, Abigail Gomez, Melody Cantu, Ryan D. Russell
International Journal of Exercise Science: Conference Proceedings
Varying the orders of UL and LU resistance exercise (RE) has been shown to induce different cardiovascular responses in active men. However, various orders of upper- and lower-body RE on pulse wave reflection in resistance-trained young women is unknown. PURPOSE: To evaluate the pulse wave reflection in resistance-trained young women based on the effects of different orders of upper- and lower-body RE. METHODS: Twelve resistance-trained young women (22±2 yrs) completed the study. Pulse wave reflection was assessed at rest, 10 (R1), and 20 (R2) minutes after either upper- and lower-body RE (UL) or lower- and upper-body RE (LU) for …
Firefighters Versus Law Enforcement Officers: A Comparison Of Cardiovascular Disease Risk, Bethany C. Guerra, Hunter Martaindale, Steven E. Martin, Lisa C. Colvin, Drew E. Gonzalez, Matthew J. Mcallister
Firefighters Versus Law Enforcement Officers: A Comparison Of Cardiovascular Disease Risk, Bethany C. Guerra, Hunter Martaindale, Steven E. Martin, Lisa C. Colvin, Drew E. Gonzalez, Matthew J. Mcallister
International Journal of Exercise Science: Conference Proceedings
Firefighters (FF) and law enforcement officers (LEO) have heightened cardiovascular disease (CVD) risk due to the stressful nature of their occupations. Data suggest that 45% of on-duty FF fatalities are related to CVD, while LEO have a 1.7 times higher CVD prevalence compared to the general public. To our knowledge, studies comparing FF to LEO, in terms of CVD risk factors, have not been published. This information is necessary to better understand differences in occupational disease risk, as well as to help bridge the gap between stress and CVD markers. PURPOSE: To compare CVD risk biomarkers, fitness, and body …
Validation Of A Non-Invasive Physiological Stress Assessment: Agreement Of Salivary And Blood Cortisol Among Firefighters, Caiti Dodge, Hunter Martaindale, Steven E. Martin, Lisa C. Colvin, Drew E. Gonzalez, Matthew J. Mcallister
Validation Of A Non-Invasive Physiological Stress Assessment: Agreement Of Salivary And Blood Cortisol Among Firefighters, Caiti Dodge, Hunter Martaindale, Steven E. Martin, Lisa C. Colvin, Drew E. Gonzalez, Matthew J. Mcallister
International Journal of Exercise Science: Conference Proceedings
Salivary cortisol has been used as an indicator of stress exposure among tactical personnel (i.e., firefighters). Assessing cortisol concentrations, whether via blood or saliva samples, can provide valuable insight into the physiological stress load placed upon the firefighter. Cortisol levels provide a reflection of the hypothalamic-pituitary-adrenal (HPA) axis activity. Salivary cortisol is unbound and has been suggested to provide a better reflection of HPA axis activity compared to blood cortisol, which is bound to soluble corticosteroid-binding globulin. Importantly, the use of salivary biosample collection also offers a more practical and non-invasive method to assess physiological stress biomarkers when blood sample …
The Relationship Between Shoulder Mobility And Upper Body Muscle Mass On 2-Rm Bench Press Performance, Raquel J. Cavazos, Francesca Aquilino, Ernesto Balderrama, Chaehyun Byun, Shelby Gerner, Cheyenne Martinez, Austin Riffe, Vipa Bernhardt, Michael D. Oldham
The Relationship Between Shoulder Mobility And Upper Body Muscle Mass On 2-Rm Bench Press Performance, Raquel J. Cavazos, Francesca Aquilino, Ernesto Balderrama, Chaehyun Byun, Shelby Gerner, Cheyenne Martinez, Austin Riffe, Vipa Bernhardt, Michael D. Oldham
International Journal of Exercise Science: Conference Proceedings
INTRODUCTION: Upper body strength is one of the most important factors in American football and thus tested frequently. However, strength may come at the cost of mobility as recent studies have reported an inverse relationship between shoulder range of motion (ROM) and strength, with an increase in strength causing a decrease in ROM (Shitara et al., 2022). PURPOSE: The purpose of this study was to determine if upper body muscle mass or shoulder mobility are associated with two-repetition max (2-RM) bench press performance in collegiate football players. METHODS: Data from 80 Division I varsity football players (20.5 ± 1.4 …
Body Composition And Anthropometric Changes During A 10-Week Training Academy In Police Recruits, Christian D. Lavalle, Christian Rodriguez, Ethan Tinoco, Madelin R. Siedler, Christine M. Florez, Kealey J. Wohlgemuth, Carina M. Velasquez, Kathryn E. Southall, Mckenzie M. Hare, Jacob A. Mota, Grant M. Tinsley
Body Composition And Anthropometric Changes During A 10-Week Training Academy In Police Recruits, Christian D. Lavalle, Christian Rodriguez, Ethan Tinoco, Madelin R. Siedler, Christine M. Florez, Kealey J. Wohlgemuth, Carina M. Velasquez, Kathryn E. Southall, Mckenzie M. Hare, Jacob A. Mota, Grant M. Tinsley
International Journal of Exercise Science: Conference Proceedings
Obesity and cardiometabolic risk factors are often present in law enforcement personnel, which may compromise physical readiness and long-term health. As such, physical fitness interventions are warranted for promoting officers' performance and wellbeing. PURPOSE: To determine the body composition and anthropometric changes experienced by police recruits undergoing a departmental training academy. METHODS: Twenty-one police recruits (20 M, 1 F; age: 25.1 ± 5.0 y; BMI: 27.8 ± 4.3 kg/m2) were tested before and after a 10-week training academy in Lubbock, Texas. Supervised physical training was conducted 5 times per week and consisted of ~1–1.5 hours of …
‘Fight Bite’- Early Detection And Treatment, Melissa D. Long, Maya Natori
‘Fight Bite’- Early Detection And Treatment, Melissa D. Long, Maya Natori
International Journal of Exercise Science: Conference Proceedings
CASE HISTORY: This case examines a 29-year-old male that was involved in an altercation and presented symptoms less than 10 hours post-injury. The patient punched a fellow tavern patron in the mouth in the early hours of the morning. Later the same morning, he presented his still bleeding 3rd metacarpophalangeal (MCP) joint to the athletic trainer. PHYSICAL EXAM: Upon examination, a laceration less than half of an inch was appreciated, still slowly bleeding. An excessive amount of swelling was noted for the size of the wound, so the athletic trainer suspected a fracture and referred to the …
Intermuscular Emg Coherence Between Shoulder Muscles During Fatigue In Older Adults With And Without Rotator Cuff Disease, Xinyu Li, Huiying Zhu, Lisa Griffin
Intermuscular Emg Coherence Between Shoulder Muscles During Fatigue In Older Adults With And Without Rotator Cuff Disease, Xinyu Li, Huiying Zhu, Lisa Griffin
International Journal of Exercise Science: Conference Proceedings
The risk of degenerative rotator cuff disease (RCD) increases with age, partly due to changes in neuromuscular control, especially during fatiguing contractions. Intermuscular electromyographic (EMG) coherence, reflecting shared neural inputs between motor neuron pools, is essential for maintaining shoulder joint stability. PURPOSE: To determine differences in EMG coherence within the rotator cuff muscles, and between the rotator cuff and deltoid muscles, during sustained isometric fatiguing contractions in older adults with and without RCD. METHODS: Thirteen older adults with RCD (68 ± 8 yrs) and 20 without RCD (69 ± 8yrs) participated. Intramuscular EMG was recorded from the supraspinatus …
Body Fat Percentage Estimation From Smartphone Three-Dimensional Optical Imaging, Christine M. Florez, Christian Rodriguez, Madelin R. Siedler, Ethan Tinoco, Grant M. Tinsley
Body Fat Percentage Estimation From Smartphone Three-Dimensional Optical Imaging, Christine M. Florez, Christian Rodriguez, Madelin R. Siedler, Ethan Tinoco, Grant M. Tinsley
International Journal of Exercise Science: Conference Proceedings
Body composition is an important component of overall health. The development of digital assessment methods has led to increased interest in devices that allow users to monitor their own body composition. Smartphone applications with three-dimensional optical imaging (3DO) capabilities are a user-friendly technology capable of predicting percent body fat (BF%) from relevant body measurements. PURPOSE: To determine the validity of two BF% equations using smartphone 3DO data, as compared to a 4-compartment (4C) model criterion, and to produce a new BF% estimation equation. METHODS: At a single laboratory visit, 60 participants (28 F, 32 M; [mean ± SD] …
Interaction Between Self-Compassion And Blood Protein Levels In Predicting Mental Toughness, Alex J. Barber, Tomas Chapman-Lopez, Ricardo Torres, Jeff S. Forsse, Andreas Stamatis
Interaction Between Self-Compassion And Blood Protein Levels In Predicting Mental Toughness, Alex J. Barber, Tomas Chapman-Lopez, Ricardo Torres, Jeff S. Forsse, Andreas Stamatis
International Journal of Exercise Science: Conference Proceedings
Mental toughness (MT) is a multifaceted psychological construct associated with mental well-being. MT is potentially influenced by a range of psychological and physiological factors. Previous studies have independently examined the roles of self-compassion (SC) and blood protein levels in mental well-being, emphasizing the significance of both psychological and physiological determinants. However, these investigations have not explored the collective influence of SC and blood protein levels on MT. PURPOSE: To elucidate the mechanisms through which SC and ‘Protein, Total’ interact to influence MT. METHODS: Data were collected via a complete metabolic panel, the Metal Toughness Index, and the Self-compassion …
Habitual Fluid Intake Does Not Affect Sleep Parameters In Young Women., Ruben E. Moya, Hui-Ying Luk, Casey Appell, Alan Ky, Kelly B. Elliott, Cherish Dunlap, Nigel Jiwan, Yasuki Sekiguchi
Habitual Fluid Intake Does Not Affect Sleep Parameters In Young Women., Ruben E. Moya, Hui-Ying Luk, Casey Appell, Alan Ky, Kelly B. Elliott, Cherish Dunlap, Nigel Jiwan, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Sleep is essential for optimal physical performance, cognitive function, recovery, and overall health. Similarly, hydration status has been shown to influence physical and cognitive functions. Dehydration can lead to impaired cognition and possibly impaired sleep. However, the effect of habitual total water intake (TWI) on sleep and recovery measures have not been examined. PURPOSE: To examine the effect of TWI on sleep and recovery measures in young women. METHODS: Twenty-two young women (age: 22.8±4.6 yrs; body mass: 60.0±9.5 kg; height: 164.6±6.1 cm) collected fluid intake and food consumption information across a 5 day period, and average TWI was calculated based …
Vitamin D3 Supplementation Alters Gut Microbiome Composition And Increases Stability In Healthy Individuals, Madhur Wyatt, Ankan Choudhury, Gabriella Von Dohlen, Jeffery L. Heileson, Jeff S. Forsse, Leigh Greathouse
Vitamin D3 Supplementation Alters Gut Microbiome Composition And Increases Stability In Healthy Individuals, Madhur Wyatt, Ankan Choudhury, Gabriella Von Dohlen, Jeffery L. Heileson, Jeff S. Forsse, Leigh Greathouse
International Journal of Exercise Science: Conference Proceedings
Early onset colorectal cancer incidence has increased significantly. Evidence links serum 25(OH)D levels and the gut microbiome to colon carcinogenesis, with vitamin D pivotal in modulating the immune system and intestinal epithelial function. The effect of supplemental vitamin D3 on the gut microbiome in healthy adults is unclear. PURPOSE: Investigate the effect of a 12-week oral dose of 4000 IU vitamin D3 on acute and long-term gut microbiome changes in healthy adults. METHODS: Forty-three participants, aged 18-53, were randomized based on baseline serum 25(OH)D levels into treatment (n=21) and placebo groups (n=22). Fecal samples …