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Articles 91 - 120 of 43085
Full-Text Articles in Entire DC Network
The Effect Of Attentional Focus Cues On Isometric Mid-Thigh Pull Performance, Terry J. Ray Iii, Emily Chaires, Tatiana Zhuravleva
The Effect Of Attentional Focus Cues On Isometric Mid-Thigh Pull Performance, Terry J. Ray Iii, Emily Chaires, Tatiana Zhuravleva
International Journal of Exercise Science: Conference Proceedings
PURPOSE: The purpose of this study was to determine whether different attentional focus cues influence maximal force production during the isometric mid-thigh pull (IMTP). Previous literature suggests that internally focused cues may constrain motor output, whereas external or holistic cues may enhance performance. METHODS: Thirty-one fadults (18–35 yrs) completed eight maximal IMTP trials in a randomized, within-subjects design. Participants performed two mid-thigh pulls under each of four conditions: control (“focus on doing your best”), internal (“focus on contracting your legs as hard as possible”), external (“focus on pushing the ground as hard as possible”), and holistic (“focus on being as …
Comparable Whole-Body Bone Mineral Density And Lean Mass In Older Recreational Pickleball Participants And Younger Sedentary Women: A Pilot Feasibility Study, Guillermo Perez, Kamila Naranjo, Ayah R. Elshafie, Pamela Gonzalez, Hashim A. Elshafie, Victoria Garcia, Areli Cisneros, Jabeth Azpeitia, Rebekah D. Schlatter, Ulku Karabulut
Comparable Whole-Body Bone Mineral Density And Lean Mass In Older Recreational Pickleball Participants And Younger Sedentary Women: A Pilot Feasibility Study, Guillermo Perez, Kamila Naranjo, Ayah R. Elshafie, Pamela Gonzalez, Hashim A. Elshafie, Victoria Garcia, Areli Cisneros, Jabeth Azpeitia, Rebekah D. Schlatter, Ulku Karabulut
International Journal of Exercise Science: Conference Proceedings
Age-related declines in bone mineral density, lean mass, and muscular power contribute to increased risk of functional impairment in women. Recreational pickleball involves dynamic, weight-bearing movements that may support musculoskeletal health; however, laboratory-based comparisons across age groups remain limited. PURPOSE: This pilot study evaluated the feasibility of laboratory-based assessment of whole-body bone mineral density (BMD), body composition, and lower-body power in recreational pickleball participants and sedentary women and explored preliminary age-adjusted group differences. METHODS: Ten women participated (5 sedentary; 5 recreational pickleball participants ≥2 sessions/week). Mean age was 31.6 years in sedentary women and 63.6 years in pickleball …
Evaluating Nfpa 1580 And Nfpa 1582 Occupational Readiness Standards Via Physiological Profiling And Discriminative Analyses, Taylor Benard, Regan Lariviere, Michael Conner, Micheil Spillane, Steven E. Martin, Drew E. Gonzalez
Evaluating Nfpa 1580 And Nfpa 1582 Occupational Readiness Standards Via Physiological Profiling And Discriminative Analyses, Taylor Benard, Regan Lariviere, Michael Conner, Micheil Spillane, Steven E. Martin, Drew E. Gonzalez
International Journal of Exercise Science: Conference Proceedings
Firefighters are currently assessed using NFPA 1582 standards based on job-specific aerobic capacity. Recent shifts to broad percentile categories raise concerns that these criteria may be less strict and misclassify firefighters as fit. As more are deemed ready, there's worry that lowering fitness thresholds could weaken high-risk readiness screening occupation. PURPOSE: The purpose of this study was to determine how effectively NFPA 1580 and NFPA 1582 occupational readiness standards stratify firefighter fitness and discriminate pass/fail status using physiological and performance-based measures. METHODS: Archival data from annual clinical tests on 144 FFs were analyzed. FFs were classified per NFPA …
Do Greater Years Of Service Subject The Firefighter To Poor Physical Performance And Body Composition Profiling?, Regan Lariviere, Taylor Benard, Michael Conner, Micheil Spillane, Steven E. Martin, Drew E. Gonzalez
Do Greater Years Of Service Subject The Firefighter To Poor Physical Performance And Body Composition Profiling?, Regan Lariviere, Taylor Benard, Michael Conner, Micheil Spillane, Steven E. Martin, Drew E. Gonzalez
International Journal of Exercise Science: Conference Proceedings
Firefighters face higher CVD risks from stress, aging, and irregular activity. Years of experience (YXP) also worsen health by accelerating age-related declines in body composition, biomarkers, and performance. However, studies on performance across experience levels are limited assessed. PURPOSE: To profile various physical performance and body composition parameters by YXP-related groupings among FFs. METHODS: Archival data from annual clinical testing of 142 FFs were analyzed. Groups were defined as those with <2.5, 2.5 to 5, 5 to 10, 10-15, and >15 YXP. General linear models (GLM) were employed for both multivariate and univariate analyses, utilizing Fisher’s Least Significant Difference tests. To evaluate pairwise mean comparisons and post-hoc …
Lat Pulldown Load Velocity Profiling In Upper-Body Dominant Athletes: A Preliminary Report, Darian B. Hastings, Benjamin P. Doyle, John D. Tebbetts, Bryan B. Crutcher, J Bryan Mann
Lat Pulldown Load Velocity Profiling In Upper-Body Dominant Athletes: A Preliminary Report, Darian B. Hastings, Benjamin P. Doyle, John D. Tebbetts, Bryan B. Crutcher, J Bryan Mann
International Journal of Exercise Science: Conference Proceedings
The lat pulldown (LPD) is a common strength exercise aimed to improve maximal strength and power of the latissimus dorsi, the primary agonist muscle for vertical pulling patterns common in sports such as swimming and sport climbing. There is limited research supporting the use of load velocity profiling of the LPD exercise for determining maximal vertical pulling power in upper-body dominant athletes and using these profiles to predict sport-specific performance capabilities. PURPOSE: The purpose of this study was to validate the use of load velocity profiling of the LPD exercise as a predictive measure of vertical pulling power in upper-body …
Video Games, Age, And Athlete Status: Predictors Of Youth Sport Participation Intent, Trey J. Danos, Jordan A. Blazo, Travis E. Dorsch
Video Games, Age, And Athlete Status: Predictors Of Youth Sport Participation Intent, Trey J. Danos, Jordan A. Blazo, Travis E. Dorsch
International Journal of Exercise Science: Conference Proceedings
Video games are a popular cultural object for children and adolescents. However, the impact that video games have on the intention to participate in sport is understudied. PURPOSE: The purpose of this study was to evaluate whether video games can influence the intention to participate in sport based on age groups and participation in sport. METHODS: Data were collected through the Aspen Institute Sports & Society’s 2026 Project Play initiative. 3,946 children, aged ten to seventeen, participated in a survey nationally, in which they were asked a battery of questions related to their demographics, such as age and …
Aerobic Capacity And Maximal Work Performance In Firefighters: The Role Of Age And Body Composition In Occupational Health Risk, Payton E. Miller, Michael Conner, Grant M. Tinsley, Drew E. Gonzalez, Christine M. Florez, Carina M. Velasquez, Kelly Hines, Jacob A. Mota
Aerobic Capacity And Maximal Work Performance In Firefighters: The Role Of Age And Body Composition In Occupational Health Risk, Payton E. Miller, Michael Conner, Grant M. Tinsley, Drew E. Gonzalez, Christine M. Florez, Carina M. Velasquez, Kelly Hines, Jacob A. Mota
International Journal of Exercise Science: Conference Proceedings
Firefighting requires repeated bouts of high-intensity physical work performed under extreme environmental conditions, placing substantial strain on the cardiovascular and musculoskeletal systems. Cardiovascular disease (CVD) remains the leading cause of on-duty firefighter fatalities, with the majority of deaths occurring among firefighters aged 40 years and older. Physiological characteristics such as age and body composition influence aerobic capacity and maximal work performance, both of which are critical and essential while performing strenuous operations. PURPOSE: The purpose of this study was to examine how age, sex, and body composition affect aerobic capacity (VO2peak) and maximal work capacity (Wmax …
From Sit To Fit: Evaluating Active Workstations At Southwestern University, Caylin Damron, Lily Mcwhorter, Vanessa Mikan Phd
From Sit To Fit: Evaluating Active Workstations At Southwestern University, Caylin Damron, Lily Mcwhorter, Vanessa Mikan Phd
International Journal of Exercise Science: Conference Proceedings
Prolonged sedentary behavior among university students, faculty, and staff is associated with increased risk of chronic disease, poorer mental well-being, and diminished academic and occupational performance. As institutions seek practical strategies to integrate movement into the day, active workstations (e.g., sit-to-stand desks and desk bikes) have emerged as a promising approach to reduce sitting time while supporting productivity and overall health. PURPOSE: To evaluate the use of active workstations among the Southwestern University community and examine their perceived impact on physical activity levels, productivity and focus, stress and anxiety, and overall sedentary behavior. METHODS: Twenty-six participants (faculty, staff, and students) …
The Weight Of Performance: Body Fat Percentage And Physical Fitness In Special Olympic Basketball Players, Julian J. Gonzales, Misty Kesterson, Ronald L. Snarr, Marcus D. Thompson, Don Melrose
The Weight Of Performance: Body Fat Percentage And Physical Fitness In Special Olympic Basketball Players, Julian J. Gonzales, Misty Kesterson, Ronald L. Snarr, Marcus D. Thompson, Don Melrose
International Journal of Exercise Science: Conference Proceedings
Special populations include a variety of different conditions, including Down Syndrome, Autism, and Marfan’s Syndrome to name a few. Some conditions may have similar changes in Fat Mass (FM) and Fat Free Mass (FFM), while others have varying differences. PURPOSE: Due to this wide range of varying body compositions within these special populations, in this study, we want to see just how much influence body fat percentage (BF%) may play in physical fitness performance. METHODS: Eleven (11) participants with various intellectual/physical disabilities completed a battery of tests to assess their physical fitness. The tests comprised of an Inbody Bioelectrical Impedance …
Associations Between Lower Limb Stiffness And Baseball Pitching And Batting Velocity Are Influenced By Playing Level And Body Mass, Natalie E. Bravo, Benjamin P. Doyle, J Bryan Mann
Associations Between Lower Limb Stiffness And Baseball Pitching And Batting Velocity Are Influenced By Playing Level And Body Mass, Natalie E. Bravo, Benjamin P. Doyle, J Bryan Mann
International Journal of Exercise Science: Conference Proceedings
Previous research shows a positive relationship between countermovement jump (CMJ) stiffness and baseball pitching velocity, suggesting that athletes who exhibit greater spring-like lower limb mechanics may generate greater throwing speeds. However, it remains unclear whether this relationship persists for batting or if these relationships remain consistent across playing levels. PURPOSE: The purpose of this study was to examine the relationship between CMJ-derived lower limb stiffness and both pitching and batting velocity across high school (HS), collegiate (COL), and professional (PRO) baseball players. METHODS: HS, COL, and PRO baseball players performed countermovement jumps using dual force plates (1000 Hz). …
The Role Of Attentional Focus In Ergometer Rowing Performance, Ana C. Morales Elizondo, Tatiana Zhuravleva
The Role Of Attentional Focus In Ergometer Rowing Performance, Ana C. Morales Elizondo, Tatiana Zhuravleva
International Journal of Exercise Science: Conference Proceedings
The effects of internal attentional cues versus external attentional cues have produced inconclusive findings regarding which attentional cue is more beneficial (Newmann, et al. 2020). Recent research has found a holistic approach that improves performance and learning in discrete tasks like vertical jumps; however, it has not been investigated with continuous tasks like rowing. PURPOSE: The purpose of this study was to examine the effects of internal, external, and holistic attentional cues on ergometer rowing performance. METHODS: Thirty-seven participants performed a six-minute ergometer rowing task across three different sessions, with at least 48 hours between each session, in a counterbalanced …
How Self-Talk Affects Performance Among Ncaa Division Iii Female Athletes, Micah Rabey, Briannah Mejias, Giana Hilliard, Cambryn Holloway, Matt Robinson, Kristen Mcalexander
How Self-Talk Affects Performance Among Ncaa Division Iii Female Athletes, Micah Rabey, Briannah Mejias, Giana Hilliard, Cambryn Holloway, Matt Robinson, Kristen Mcalexander
International Journal of Exercise Science: Conference Proceedings
Self-talk alters mental toughness, emotional control, and behavioral reactions, and can affect an athlete’s cognitive and psychological condition throughout training, competition, and practice. Few studies have examined the role of self-talk specifically among female athletes and no known study has measured its effects among female athletes at the NCAA Division III level. PURPOSE: Examine how NCAA Division III female student athletes describe the role of self-talk in their athletic performance and identify specific ways they perceive self-talk, its functions during training and competition, and its impact on focus, motivation, confidence, and overall performance. METHODS: In the Fall of 2025, modified …
Bacterial Folliculitis In A Patient With Juvenile Idiopathic Arthritis, Melissa D. Long
Bacterial Folliculitis In A Patient With Juvenile Idiopathic Arthritis, Melissa D. Long
International Journal of Exercise Science: Conference Proceedings
CASE HISTORY: The patient is a 15-year-old female who plays volleyball and basketball with a medical history that includes a diagnosis of Juvenile Idiopathic Arthritis at the age of eight. The patient’s chief complaint is a rash only on her legs and abdomen. She denies pain with the rash but admits that it has been active for about 4 weeks. The patient denies changing laundry detergents or contact with any new pets or plants. The patient admits to not showering after basketball practice because practice is during the first period of the school day, and time does not allow …
Acute Effects Of Carbon Fiber Plate Insoles On Drop-Jump Performance And Force Characteristics In Recreationally Trained Adults, Becca Henicke, Boram Lim
Acute Effects Of Carbon Fiber Plate Insoles On Drop-Jump Performance And Force Characteristics In Recreationally Trained Adults, Becca Henicke, Boram Lim
International Journal of Exercise Science: Conference Proceedings
Carbon fiber plate insoles (CFPI) are designed to increase footwear stiffness and may improve elastic energy utilization during human locomotion. However, most research has focused on CFPI effects in running and sprinting, particularly endurance running, with limited evidence examining their impact on plyometric performance that relies heavily on the stretch-shortening cycle (SSC), a key mechanism underlying many sports movements. Because SSC involves a rapid eccentric-to-concentric transition that stores and releases elastic energy, the drop jump provides a practical model to assess SSC efficiency with and without CFPI. PURPOSE: To examine the effects of CFPI on SSC efficiency and jump …
Relationships Between Autonomic Dysfunction In Type 1 Diabetes Mellitus And Circulating Sex Hormones In Male Rats, Arianna Lopez, Milena Samora, Ali Mossayebi, Maryam Zilaei Bouri, Lindsay Thompson, Elena Moralesgrahl, Dana Sheinhaus, Andrea Gore, Michelle L. Harrison, Audrey J. Stone
Relationships Between Autonomic Dysfunction In Type 1 Diabetes Mellitus And Circulating Sex Hormones In Male Rats, Arianna Lopez, Milena Samora, Ali Mossayebi, Maryam Zilaei Bouri, Lindsay Thompson, Elena Moralesgrahl, Dana Sheinhaus, Andrea Gore, Michelle L. Harrison, Audrey J. Stone
International Journal of Exercise Science: Conference Proceedings
Type 1 Diabetes (T1D) is associated with a temporal exaggerated exercise pressor reflex in rats. Previous studies suggest that T1D can alter sex hormones and that supplementation of sex hormones attenuates a normal exercise pressor reflex. PURPOSE: To determine circulating concentrations of sex hormones, specifically estradiol (E), progesterone (P4), and testosterone (T), during different stages of T1D and compare those findings to the exercise pressor reflex evoked by the same male rats. METHODS: Experiments were performed in male Sprague-Dawley T1D (induced via streptozotocin (STZ)) or healthy rats (n= 39). Terminal experiments were conducted at 1-week (early) …
Ncaa Division Iii Athletes’ Perceptions Of Impactful Peer Leadership, Gabriel Palacios, Andrea Eckermann, Justin Gooden, Caden Battenfield, Matthew Robinson, Kristen Mcalexander
Ncaa Division Iii Athletes’ Perceptions Of Impactful Peer Leadership, Gabriel Palacios, Andrea Eckermann, Justin Gooden, Caden Battenfield, Matthew Robinson, Kristen Mcalexander
International Journal of Exercise Science: Conference Proceedings
While sport leadership strongly influences team cohesion, motivation, and success, most research focuses on coaches rather than peer athletic leaders. PURPOSE: Explore common characteristics among peer athletic leaders and how they influence a team’s motivation and success. METHODS: In the Fall of 2025, modified questions from the Leadership Scale for Sport (LSS) and the Grit Scale-Original (GS-O), measuring leadership behaviors, leadership qualities, team dynamics, and the influence of peer leaders, were emailed to student athletes at a NCAA Division III University. RESULTS: Thirteen participants (M age= 20.15 years, SD=1.46 years) representing five sports (basketball N=8, cross country N=1, soccer N=1, …
Effects Of Mandated Physical Activity Courses And Motivation To Exercise In Undergraduate College Students, Kyla L. Welch, Melissa D. Long
Effects Of Mandated Physical Activity Courses And Motivation To Exercise In Undergraduate College Students, Kyla L. Welch, Melissa D. Long
International Journal of Exercise Science: Conference Proceedings
Physical education and physical activity play essential roles in both the education system and in the development of lifelong healthy habits. Regular physical activity, in conjunction with a well-balanced diet, can contribute to various physical and mental wellness benefits, particularly when supported from an educational standpoint that encourages practical application. However, overall physical activity levels and general health have declined in the past several decades. This is especially concerning within the young adult population, including those attending university. PURPOSE: The purpose of this study was to examine various factors influencing exercise motivation and perceived physical and mental health in …
Effects Of Acute Caffeine Ingestion On Reaction Time In Habitual And Low Caffeine Consumers: A Randomized Crossover Study, William T. Edwards, Melissa Long
Effects Of Acute Caffeine Ingestion On Reaction Time In Habitual And Low Caffeine Consumers: A Randomized Crossover Study, William T. Edwards, Melissa Long
International Journal of Exercise Science: Conference Proceedings
Maintaining alertness and focus throughout the day is essential for productivity and performance, which contributes to caffeine being one of the most widely used ergogenic aids in sports, with over 70% of athletes consuming it for competition. Caffeine stimulates the central nervous system by blocking adenosine receptors, which increases neurotransmitter activity and enhances response time and alertness. However, habitual consumption may reduce its acute benefits through tolerance. PURPOSE: This study investigated whether acute caffeine ingestion affects reaction time differently in habitual versus low caffeine consumers. METHODS: Ten participants (7 males, 3 females, aged 18-40 years) completed two sessions in a …
Correlations Between Lower Body Plyometrics And Sprint Speed, Andrew Burnett, Casi Helbig
Correlations Between Lower Body Plyometrics And Sprint Speed, Andrew Burnett, Casi Helbig
International Journal of Exercise Science: Conference Proceedings
Speed and power are attributes that every athlete strives to improve. PURPOSE: The purpose of this study was to determine which of four plyometric tests correlated to sprint speed. METHODS: The subjects were 37 Texas Lutheran University baseball players. Participants performed a vertical jump, broad jump, triple broad jump, and 4-jump vertical test along with a thirty-yard sprint. Before each test, the subjects were put through the same dynamic warmup that was created by the experimenter. A vertical jump mat was used to measure both the vertical jump and the four jump vertical test. The vertical jump test …
Asic3 In Skeletal Muscle Contributes To The Exaggerated Exercise Pressor Reflex In Type 1 Diabetic Rats, Ali Mossayebi, Peter Niehaus, Ariana N. Lopez, Michelle L. Harrison, Audrey J. Stone
Asic3 In Skeletal Muscle Contributes To The Exaggerated Exercise Pressor Reflex In Type 1 Diabetic Rats, Ali Mossayebi, Peter Niehaus, Ariana N. Lopez, Michelle L. Harrison, Audrey J. Stone
International Journal of Exercise Science: Conference Proceedings
Individuals with type 1 diabetes (T1D) experience exaggerated blood pressure responses during exercise. Acid-sensing ion channel 3 (ASIC3), expressed on thinly myelinated afferents, contributes to the exercise pressor reflex under healthy conditions and is implicated in T1D-related neuropathy. Although it has been shown that pharmacological blockade of ASIC3 attenuates the exercise pressor reflex in cardiovascular disease, its role in T1D remains unknown. PURPOSE:Investigate the role of ASIC3 in the exercise pressor reflex in T1D rats. We hypothesized that local blockade of ASIC3 in skeletal muscle would normalize the exaggerated reflex cardiovascular responses to static muscle contraction. METHODS: Adult male …
A Clinical Teaching Of Tibial Stress Fractures, Jeremiah A. Camacho, Ethan Lewis, Lindsay Spindler, Chuck Ruot
A Clinical Teaching Of Tibial Stress Fractures, Jeremiah A. Camacho, Ethan Lewis, Lindsay Spindler, Chuck Ruot
International Journal of Exercise Science: Conference Proceedings
CLINICAL PRESENTATION & EXAM: Patients present pain and tenderness at a specific point on the leg that progresses in severity over a period of weeks to months. Most tibial stress fractures occur in the middle to lower one-third of the bone on the posterior-medial side, where compressive forces are the greatest. Pain may also be felt in the anterior region of the bone, which is under constant stress due to the activation of the gastrocnemius and soleus muscles. The pain is associated with an increase in impact activities such as running or jumping. Fractures tend to arise 8 to …
The Effect Of White Willow Bark On Athletic Performance Recovery Following Resistance Training- A Pilot Study, Brandie C. Cheshier, Bert H. Jacobson, John Shireman
The Effect Of White Willow Bark On Athletic Performance Recovery Following Resistance Training- A Pilot Study, Brandie C. Cheshier, Bert H. Jacobson, John Shireman
International Journal of Exercise Science: Conference Proceedings
Athletic performance is often hindered by the detrimental effects of delayed onset muscle soreness (DOMS). DOMS is discomfort that occurs within 8-24hrs and peaks within 24-72 hrs. following unaccustomed and or high-intensity exercise. White willow bark (WWB) is a nutritional supplement that is believed to have anti-inflammatory and analgesic properties but without the risk of adverse GI effects. PURPOSE: The purpose of this investigation was to determine if WWB attenuates DOMS soreness and preserves athletic performance. METHODS: Twenty-five healthy adults were randomly assigned to 798 mg oral WWB (salicin) per day (n=11) or placebo (n=14) for 5 days …
How Do Firefighters Differ Between Years Of Fire Service Experience: Part 3 – Blood Biomarker Profiles, Jonah C. White, Michael Conner, Jacob A. Mota, Payton Miller, Steven E. Martin, Lisa C. Colvin, Drew E. Gonzalez
How Do Firefighters Differ Between Years Of Fire Service Experience: Part 3 – Blood Biomarker Profiles, Jonah C. White, Michael Conner, Jacob A. Mota, Payton Miller, Steven E. Martin, Lisa C. Colvin, Drew E. Gonzalez
International Journal of Exercise Science: Conference Proceedings
Firefighters (FF) face a higher risk of cardiovascular disease (CVD) due to aging, job-related stress, and irregular physical activity. Years of experience (YXP) in the fire service have been shown to have a unique impact on FF health and performance; however, profiling the differences between those with less or more YXP has not yet been assessed. PURPOSE: To examine YXP-related differences in conventional blood cardiovascular disease (CVD) risk biomarkers among firefighters. METHODS: Archival data from annual clinical testing of 142 male firefighters were analyzed (33.4±8.6 years; 29.3±4.1 kg/m2; 38.8±6.9 mL/kg/min). Groups were defined as those with <5 YXP and >5 YXP. …
Patellofemoral Pain Syndrome, Baili Deaver, Joseph Friederich, Chuck Ruot, Lindsay Spindler
Patellofemoral Pain Syndrome, Baili Deaver, Joseph Friederich, Chuck Ruot, Lindsay Spindler
International Journal of Exercise Science: Conference Proceedings
CLINICAL PRESENTATION & EXAM: The primary characteristic of this condition is anterior patellar pain that worsens when the knee is put in a flexed, weight-bearing position. Patients with patellofemoral pain syndrome (PFPS) typically experience pain or stiffness during prolonged periods of sitting or when the patient descends stairs. Some of the most common forms of examination include examining a patient's gait, posture, and footwear. The patient should be asked about their current activity level, previous knee surgery or injuries, and recent changes in activity. Occasionally, knee buckling may occur due to weakness or pain in the quadriceps, resulting in …
Occupational Intensity And Bone Mineral Density In Premenopausal Women, Ashlyn R. Dooley, Elizabeth Y. Vezzetti, Jaden M. Nelson, Ryan R. Porter, Shannon A. Matthews
Occupational Intensity And Bone Mineral Density In Premenopausal Women, Ashlyn R. Dooley, Elizabeth Y. Vezzetti, Jaden M. Nelson, Ryan R. Porter, Shannon A. Matthews
International Journal of Exercise Science: Conference Proceedings
Bone Mineral Density (BMD) is measured through DEXA scans and shows the concentration of minerals in a volume of bone area which is used as an indicator for fracture, osteopenia, and osteoporosis risk. Women who are in the peri and post-menopausal phase are at higher risk of bone related issues due to the hormonal profile changes. BMD can be remodeled by continual loading of stress from mechanics, posture, and movement patterns, usually and most effectively by physical activity (PA). While PA is generally prescribed to increase BMD, occupation often accounts for a substantial portion of an individual’s daily activity. The …
Influence Of Aging And Exercise On Immune Blood Cells And Muscle Strength In Female Rats, Advait V. Dadi Jr, Dillon Harris, Quinten Pigg, Daniela Sayuri Inoue, Mariana Janini Gomes
Influence Of Aging And Exercise On Immune Blood Cells And Muscle Strength In Female Rats, Advait V. Dadi Jr, Dillon Harris, Quinten Pigg, Daniela Sayuri Inoue, Mariana Janini Gomes
International Journal of Exercise Science: Conference Proceedings
Aging is associated with alterations in immune cell profiles and declines in skeletal muscle function, which together contribute to increased vulnerability to disease and functional impairment. While aerobic exercise is known to improve muscle function and immune health, the effects of initiating exercise later in life, particularly in females, remain poorly understood. PURPOSE: This study examined the effects of aging and late-life aerobic training on blood cell counts and forelimb grip strength in female rats. METHODS: 20 female Fisher 344 rats were assigned into three experimental groups: Young (Y, 3 months (y, n = 6), Old (O, 21 …
Comparing The Effects Of Acute Participation In Target Practice Versus Active Shooter Virtual Reality Training On Stress Biomarkers, Annelise N. Gaitan, Ashlyn S. Dearman, Lipika Shakya, Hunter Martaindale, Matthew J. Mcallister
Comparing The Effects Of Acute Participation In Target Practice Versus Active Shooter Virtual Reality Training On Stress Biomarkers, Annelise N. Gaitan, Ashlyn S. Dearman, Lipika Shakya, Hunter Martaindale, Matthew J. Mcallister
International Journal of Exercise Science: Conference Proceedings
Active-shooter events represent extreme stressors that can trigger significant physiological stress responses. Virtual reality (VR) enables these threats to be simulated safely and consistently, allowing investigation of stress biomarker patterns over time. PURPOSE: This preliminary study examined differences in physiological and subjective stress responses during acute virtual reality (VR) training between target practice (TP) and active shooter (AS) groups, to determine whether training mode influences physiological and subjective stress biomarkers. METHODS: Thirty participants were randomly assigned to a control (TP) or experimental (AS) group and completed a high-stress VR simulation. The TP group was instructed to shoot targets …
Effect Of Lower Leg Compression On Delayed Onset Muscle Soreness, Kassady N. Salazar, John D. Smith
Effect Of Lower Leg Compression On Delayed Onset Muscle Soreness, Kassady N. Salazar, John D. Smith
International Journal of Exercise Science: Conference Proceedings
Compression therapy, particularly in the form of compression boots, has a longstanding history in both clinical and athletic settings as a method to enhance circulation and promote recovery. PURPOSE: To examine the effectiveness of pneumatic air compression therapy in reducing delated onset muscle soreness (DOMS). METHODS: Participants (n=24, age=22.7±5.3 yrs, ht=165.3±11.9 cm, wt=74.7±14.2 kg) performed a set of calf raises to exhaustion on a riser in front of a Smith machine at 70 repetitions per minutes while holding a dumbbell (males = 10 lbs, females = 5 lbs). After a 2-minute break, this was again performed but without the …
Preliminary Data On The Effect Of Exercise Time Of Day In Sedentary Young Adult Females, Autum Andrusick, Julia Martin, Robyn T. Whitehead, Malcolm T. Whitehead
Preliminary Data On The Effect Of Exercise Time Of Day In Sedentary Young Adult Females, Autum Andrusick, Julia Martin, Robyn T. Whitehead, Malcolm T. Whitehead
International Journal of Exercise Science: Conference Proceedings
Research studies investigating the time of day that individuals engage in exercise have not specifically targeted sedentary females or their preferred time of day to engage in exercise. Previously published studies have implemented cohorts that include both males and females and/or have focused on hormonal influences and daily patterns. Perceived energy and activation levels (for example: active, calm, and sleepy) have yet to be investigated as determinants of exercise time of day preference factors. PURPOSE: The purpose of the study was to determine if exercise time of day effects mood in sedentary adult females. METHODS: Eight females aged 23 ± …
Does Perceived Competence And Practice Type Influence Motor Performance In Softball Pitchers Developing A New Pitch Type?, Anthony W. Fava, Matthew Miller, Emily Sauers, Gretchen Oliver
Does Perceived Competence And Practice Type Influence Motor Performance In Softball Pitchers Developing A New Pitch Type?, Anthony W. Fava, Matthew Miller, Emily Sauers, Gretchen Oliver
International Journal of Exercise Science: Conference Proceedings
Competence-based motivation frameworks use perceived self-confidence (PSC) to explain performance outcomes. Although PSC has been associated with improved performance on fundamental motor skills, PSC can also be task specific and may change depending on particular contexts within a sport. PURPOSE: To assess whether PSC influenced motor performance in softball pitchers developing a new pitch type under two different practice types. METHODS: Fifty adolescent-aged softball pitchers participated. Pitchers were randomly assigned into two practice types: Constraints-led Approach (CLA), (14.9±1.2y,64.8±10.1kg,1.69±0.1m), and Traditional (Trad), (14.5±1.0y, 65.4±11.4kg, 1.67±0.1m). Recruited pitchers indicated the drop ball (DB) was not their ‘go-to’ pitch nor was …