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Articles 34201 - 34230 of 1818337

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Inter-Rater Reliability Of Manual Waist Circumference And Agreement With Dxa-Derived Waist In Male Collegiate Rugby Players, Hayden Johnson, Christian Rivera, Stephanie Hansford, Regan Renfro, Dalton Prye, Matthew Poole, Saheed Jaiyeola, Sage A. Newman, Adesiji Adetona, Oscar Woodside, Jmya Hughes, Preston James, Kelly Hines, Jade Simon, Drew E. Gonzalez, Christopher D. Greenleaf, Micheil Spillane Feb 2026

Inter-Rater Reliability Of Manual Waist Circumference And Agreement With Dxa-Derived Waist In Male Collegiate Rugby Players, Hayden Johnson, Christian Rivera, Stephanie Hansford, Regan Renfro, Dalton Prye, Matthew Poole, Saheed Jaiyeola, Sage A. Newman, Adesiji Adetona, Oscar Woodside, Jmya Hughes, Preston James, Kelly Hines, Jade Simon, Drew E. Gonzalez, Christopher D. Greenleaf, Micheil Spillane

International Journal of Exercise Science: Conference Proceedings

Waist circumference (WC) is a low-cost surrogate of central adiposity, but measurement error can limit athlete monitoring. PURPOSE: Evaluate inter-rater reliability of manual WC and agreement with dual-energy X-ray absorptiometry (DXA)-derived WC in male collegiate rugby players. METHODS: Twenty-one male collegiate rugby players completed baseline testing (manual WC and DXA completed same day) following an overnight fast and euhydration. Two trained raters independently measured WC on bare skin at the superior border of the iliac crest (site not pre-marked) using a seca 201 measurement tape, with participants standing feet together and arms relaxed at their sides; the tape was verified …

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Associations Between Dxa-Derived Trunk Adiposity And Resting Hemodynamics In Male Collegiate Rugby Union Athletes, Adesiji Adetona, Hayden Johnson, Christian Rivera, Stephanie Hansford, Regan Renfro, Dalton Prye, Matthew Poole, Saheed Jaiyeola, Sage A. Newman, Oscar Woodside, Jmya Hughes, Preston James, Kelly Hines, Jade Simon, Drew E. Gonzalez, Christopher D. Greenleaf, Micheil Spillane Feb 2026

Associations Between Dxa-Derived Trunk Adiposity And Resting Hemodynamics In Male Collegiate Rugby Union Athletes, Adesiji Adetona, Hayden Johnson, Christian Rivera, Stephanie Hansford, Regan Renfro, Dalton Prye, Matthew Poole, Saheed Jaiyeola, Sage A. Newman, Oscar Woodside, Jmya Hughes, Preston James, Kelly Hines, Jade Simon, Drew E. Gonzalez, Christopher D. Greenleaf, Micheil Spillane

International Journal of Exercise Science: Conference Proceedings

Trunk adiposity is a cardiometabolic risk factor that may relate to resting hemodynamics even in young athletic populations. PURPOSE: To examine associations between DXA-derived trunk percent fat and resting heart rate (HR) and blood pressure (BP) in male collegiate rugby union athletes. METHODS: Twenty-one male rugby athletes completed morning testing (06:00–09:00 h) following ≥12 h fast and post-void, with stimulants (including caffeine) restricted ≥12 h and no exercise ≥24 h. Hydration was screened using urine specific gravity (USG; CLINITEK Status+ with Multistix 10 SG) and urine color (clear yellow). Whole-body DXA (Hologic Horizon W; APEX v5.6.1.3 rev 007) provided trunk …

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Effects Of An 8-Week Resistance Training Program On Segmental Lean Mass, Corie N. Smith, Kornkanok Sophonsakulrat, Payton E. Miller, Laura Roden, Avery Prickell, Karley Rayfield, Katherine Adcock, Canyon Massengale, Jessica Jones, Grant Tinsely, Jacob A. Mota Feb 2026

Effects Of An 8-Week Resistance Training Program On Segmental Lean Mass, Corie N. Smith, Kornkanok Sophonsakulrat, Payton E. Miller, Laura Roden, Avery Prickell, Karley Rayfield, Katherine Adcock, Canyon Massengale, Jessica Jones, Grant Tinsely, Jacob A. Mota

International Journal of Exercise Science: Conference Proceedings

Resistance training is a powerful stimulus that is known to induce a myriad of positive effects in humans. A popular result desired by athletes is to increase muscle mass. However, the existing literature on resistance training and muscular hypertrophy focuses on whole body lean mass changes. The body of work which elucidate the effect of training on segmental lean mass is less documented. PURPOSE: The purpose of this study is to examine the effects of a short-term resistance training intervention on segmental lean mass in previously untrained college aged women. METHODS: 22 college aged women (age: 21 ± 4) volunteered …

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Changes In Ankle Angle And Knee Angle Throughout Gait With Ankle Bracing And Ankle Taping, Genavieve T. Evans, Tristyn G. Kattawar, Scott Mclean Feb 2026

Changes In Ankle Angle And Knee Angle Throughout Gait With Ankle Bracing And Ankle Taping, Genavieve T. Evans, Tristyn G. Kattawar, Scott Mclean

International Journal of Exercise Science: Conference Proceedings

Ankle taping and ankle bracing are the most common solutions to chronic ankle instability and ankle injuries, however, scientific findings suggest that changes in the individual’s gait patterns can occur with the addition of ankle restrictions. PURPOSE: to compare the effects of ankle bracing and taping with no support to lower extremity joint kinematics while walking on a treadmill. METHODS: Seventeen collegiate athletes (19.9 yrs, 1.74 m, 71.2 kg) completed walking trials on a treadmill under three ankle support conditions; no support, ankle taping, and ankle brace.  Ankle and knee angles were measured during the walking trials using electrogoniometers. Peak …

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Impact Of An 8-Week Personalized Exercise Program On Health-Related Fitness Parameters, Michelle Castro, Jasmeen Fajardo-Lopez, Major Martin, Raejone Lucas, Brock Niceler Md, Yunsuk Koh Feb 2026

Impact Of An 8-Week Personalized Exercise Program On Health-Related Fitness Parameters, Michelle Castro, Jasmeen Fajardo-Lopez, Major Martin, Raejone Lucas, Brock Niceler Md, Yunsuk Koh

International Journal of Exercise Science: Conference Proceedings

Introduction: A routine exercise program has been recommended across all demographic groups to improve cardiovascular health, muscle function, cognitive function, and mental health. Purpose: This study examined how personalized exercise affects health-related fitness parameters. Method: A total of 17 patients (age=42.88±12.89 years, male=1, and females=16), attending the fitness program at a regional hospital, were recruited. A health-related fitness battery test, including cardiorespiratory endurance, resting heart rate and blood pressure, motor fitness, musculoskeletal fitness, flexibility, body composition, and balance, was administered at the pre- (week 0), mid- (week 4), and post-study (week 8) periods. Results: Body fat (%) significantly decreased by …

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Differences In Lower Body Power, Maximum Voluntary Contraction (Mvc) Of The Arms, Grip Strength, And Reaction Time In Recreational Pickleball Players And Sedentary Women: A Pilot Study, Ayah R. Elshafie, Kamila Naranjo, Pamela Gonzalez, Hashim Elshafie, Victoria Garcia, Areli Cisneros, Jabeth Azpeitia, Ulku Karabulut, Rebekah Schlatter, Guillermo Perez Feb 2026

Differences In Lower Body Power, Maximum Voluntary Contraction (Mvc) Of The Arms, Grip Strength, And Reaction Time In Recreational Pickleball Players And Sedentary Women: A Pilot Study, Ayah R. Elshafie, Kamila Naranjo, Pamela Gonzalez, Hashim Elshafie, Victoria Garcia, Areli Cisneros, Jabeth Azpeitia, Ulku Karabulut, Rebekah Schlatter, Guillermo Perez

International Journal of Exercise Science: Conference Proceedings

Recreational pickleball participation has increased substantially among adult women; however, limited research exists examining neuromuscular performance in this population. PURPOSE: The purpose of this pilot study was to evaluate the feasibility of assessing lower body muscular power, maximum voluntary contraction (MVC) of the biceps and triceps brachii, grip strength, and reaction time in active pickleball-playing women compared to sedentary women to inform future research. METHODS: Ten participants (pickleball n=5, sedentary n=5) visited the laboratory to complete anthropometric measurements, lower body power assessment using a standardized sit-to-stand protocol with a Power Tendo device, and upper-extremity assessments including MVC for elbow flexion …

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Comparison Of Dxa-Derived Body Volume Estimation Equations (Wilson Vs Smith-Ryan) In Collegiate Rugby Union Athletes, Jmya Hughes, Hayden Johnson, Christian Rivera, Stephanie Hansford, Regan Renfro, Dalton Prye, Matthew Poole, Saheed Jaiyeola, Sage A. Newman, Adesiji Adetona, Oscar Woodside, Preston James, Kelly Hines, Jade Simon, Drew E. Gonzalez, Christopher D. Greenleaf, Micheil Spillane Feb 2026

Comparison Of Dxa-Derived Body Volume Estimation Equations (Wilson Vs Smith-Ryan) In Collegiate Rugby Union Athletes, Jmya Hughes, Hayden Johnson, Christian Rivera, Stephanie Hansford, Regan Renfro, Dalton Prye, Matthew Poole, Saheed Jaiyeola, Sage A. Newman, Adesiji Adetona, Oscar Woodside, Preston James, Kelly Hines, Jade Simon, Drew E. Gonzalez, Christopher D. Greenleaf, Micheil Spillane

International Journal of Exercise Science: Conference Proceedings

Accurate estimation of body volume (BV) is required for multicomponent body composition models. PURPOSE: Compare two published DXA-derived BV equations (Wilson vs Smith-Ryan) using whole-body Hologic DXA tissue masses in collegiate rugby union athletes. METHODS: Twenty-one male rugby union athletes underwent whole-body DXA (Hologic Horizon W; APEX v5.6.1.3 Rev 007; Classic calibration [NHANES BCA disabled]; standard tissue analysis; daily QC within tolerance) during morning testing (06:00–09:00 h) while fasted and post-void; caffeine was avoided (≥12 h) and exercise was avoided (≥24 h). Hydration was assessed prior to scanning via urine specific gravity (Siemens CLINITEK Status+; Multistix 10 SG) and urine …

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Agreement Of Seca 286 Scale Weight With Dxa Acquisition Weight, Apex Soft-Tissue Mass, And Dxa Sum-Of-Components Mass In Collegiate Rugby Athletes, Matthew Poole, Hayden Johnson, Christian Rivera, Stephanie Hansford, Regan Renfro, Dalton Prye, Saheed Jaiyeola, Sage A. Newman, Adesiji Adetona, Oscar Woodside, Jmya Hughes, Preston James, Kelly Hines, Jade Simon, Drew E. Gonzalez, Christopher D. Greenleaf, Micheil Spillane Feb 2026

Agreement Of Seca 286 Scale Weight With Dxa Acquisition Weight, Apex Soft-Tissue Mass, And Dxa Sum-Of-Components Mass In Collegiate Rugby Athletes, Matthew Poole, Hayden Johnson, Christian Rivera, Stephanie Hansford, Regan Renfro, Dalton Prye, Saheed Jaiyeola, Sage A. Newman, Adesiji Adetona, Oscar Woodside, Jmya Hughes, Preston James, Kelly Hines, Jade Simon, Drew E. Gonzalez, Christopher D. Greenleaf, Micheil Spillane

International Journal of Exercise Science: Conference Proceedings

Accurate body mass is foundational for DXA-derived indices and longitudinal tracking. PURPOSE: Determine agreement between Seca 286 scale weight and DXA acquisition weight, quantify the difference between DXA acquisition weight and the APEX whole-body mass field (fat + lean), and evaluate a DXA sum-of-components mass (fat + lean + BMC) relative to scale weight as an internal QC check (Houtkooper et al., Am J Clin Nutr, 2000). METHODS: Twenty-one male rugby union athletes completed same-morning testing (06:00–09:00 h) while fasted and post-void; caffeine was restricted (≥12 h) and exercise abstained (≥24 h). Hydration was screened prior to DXA. Body mass …

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Validation Of Bertec Force Plate Treadmill For Asymmetry Measures, Miah A. Barras, Olivia D. Broaddus, Dacia Martinez-Diaz, Charles Layne, Craig Johnston Feb 2026

Validation Of Bertec Force Plate Treadmill For Asymmetry Measures, Miah A. Barras, Olivia D. Broaddus, Dacia Martinez-Diaz, Charles Layne, Craig Johnston

International Journal of Exercise Science: Conference Proceedings

BACKGROUND: The current literature establishes the existence and detrimental impact of high levels of asymmetry in a range of physical capacities in the general population as well as performance athletes.  Given the influence of symmetry, there is a need to identify validated ways to measure it. Despite this, no uniform method of quantifying inter-limb differences exists to date. Furthermore, few studies compare bilateral data when limbs act concurrently as a functional system. One possible application of this measure is to measure the impact of an asymmetric training protocol on bilateral force production. Its theoretical applications remain untested in many circumstances, …

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The Effect Of Different Post-Activation Potentiation Protocols On Peak Muscle Torque During Knee Extension, Kaileb Bayliss, Steven Prince, Casi Helbig Feb 2026

The Effect Of Different Post-Activation Potentiation Protocols On Peak Muscle Torque During Knee Extension, Kaileb Bayliss, Steven Prince, Casi Helbig

International Journal of Exercise Science: Conference Proceedings

Post-activation potentiation is an important tool to utilize when trying to optimize exercise and sport performance. PURPOSE: The purpose of this study was to analyze different protocol lengths to determine if the post-activation potentiation effect can still manifest after just 1 specific warm up set vs. multiple specific warm up sets. METHODS: Subjects included eighteen college students from Texas Lutheran University with a mean age of 21.67 years (+/-2.70), height of 66.68 inches (+/-3.12), and weight of 176.56 pounds (+/-44.77). The subjects started the first session with a GWU that manifested as a 5 minute walk on an …

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Carbohydrate Effects On Cycling Time To Exhaustion Following Exercise-Induced Glycogen Depletion: Preliminary Data, Ross Moody, Nicole Cipriano, Macilynn E. Coles, Jason Stephens, Sarah Deemer Feb 2026

Carbohydrate Effects On Cycling Time To Exhaustion Following Exercise-Induced Glycogen Depletion: Preliminary Data, Ross Moody, Nicole Cipriano, Macilynn E. Coles, Jason Stephens, Sarah Deemer

International Journal of Exercise Science: Conference Proceedings

PURPOSE: In recent years, there has been a rise in the popularity of zero sugar sports drinks which contain fewer calories (from reduced carbohydrate (CHO) content), while maintaining identical electrolyte content. However, substantial evidence demonstrates that CHO consumption before or during exercise enhances performance and supports recovery. Because zero-sugar sports drinks contain only a fraction of the carbohydrate found in traditional full-sugar formulations, they may be less effective for supporting recovery and subsequent performance following muscle-fatiguing exercise. This study investigates whether consuming a full sugar (CHO+), a zero-sugar (CHO-), or water drink following lower-body muscle fatiguing exercise improves cycling …

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Prep Monitoring, Coaching Presence, And Competitive Anxiety In Bodybuilders, Rafael E. Cachutt, Samantha S. Dardaman, Christian O. Quintero, Stephen E. Rowden, Maddox B. Utter, Scott B. Martin Feb 2026

Prep Monitoring, Coaching Presence, And Competitive Anxiety In Bodybuilders, Rafael E. Cachutt, Samantha S. Dardaman, Christian O. Quintero, Stephen E. Rowden, Maddox B. Utter, Scott B. Martin

International Journal of Exercise Science: Conference Proceedings

Competitive bodybuilding involves severe dietary restriction, high training demands, and constant evaluation of physique-related outcomes. Within the sport, it is common for competitors to engage in intensive prep monitoring behaviors such as tracking caloric intake and training load to support contest preparation. As contest prep practices may tax attentional resources and disrupt emotional regulation of competitors, some athletes utilize formal coaching to assist with performance monitoring while others engage in self-coaching strategies. PURPOSE: The purpose of this study was to examine sport anxiety levels amongst competitive bodybuilders who engage in prep monitoring behaviors. Additionally, the contribution of coaching presence was …

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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 Feb 2026

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 …

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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 Feb 2026

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 …

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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 Feb 2026

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 …

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From Sit To Fit: Evaluating Active Workstations At Southwestern University, Caylin Damron, Lily Mcwhorter, Vanessa Mikan Phd Feb 2026

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) …

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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 Feb 2026

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 …

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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 Feb 2026

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). …

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The Role Of Attentional Focus In Ergometer Rowing Performance, Ana C. Morales Elizondo, Tatiana Zhuravleva Feb 2026

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 …

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How Self-Talk Affects Performance Among Ncaa Division Iii Female Athletes, Micah Rabey, Briannah Mejias, Giana Hilliard, Cambryn Holloway, Matt Robinson, Kristen Mcalexander Feb 2026

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 …

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Bacterial Folliculitis In A Patient With Juvenile Idiopathic Arthritis, Melissa D. Long Feb 2026

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 …

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Acute Effects Of Carbon Fiber Plate Insoles On Drop-Jump Performance And Force Characteristics In Recreationally Trained Adults, Becca Henicke, Boram Lim Feb 2026

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 …

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Effects Of Mandated Physical Activity Courses And Motivation To Exercise In Undergraduate College Students, Kyla L. Welch, Melissa D. Long Feb 2026

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 …

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Correlations Between Lower Body Plyometrics And Sprint Speed, Andrew Burnett, Casi Helbig Feb 2026

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 …

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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 Feb 2026

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. …

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Patellofemoral Pain Syndrome, Baili Deaver, Joseph Friederich, Chuck Ruot, Lindsay Spindler Feb 2026

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 …

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Occupational Intensity And Bone Mineral Density In Premenopausal Women, Ashlyn R. Dooley, Elizabeth Y. Vezzetti, Jaden M. Nelson, Ryan R. Porter, Shannon A. Matthews Feb 2026

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 …

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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 Feb 2026

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 ± …

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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 Feb 2026

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 …

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Jones Fracture, Chloe Birnbaum, Maryn Campbell, Lindsay Spindler, Chuck Ruot Feb 2026

Jones Fracture, Chloe Birnbaum, Maryn Campbell, Lindsay Spindler, Chuck Ruot

International Journal of Exercise Science: Conference Proceedings

CLINICAL PRESENTATION & EXAM: The Jones Fracture can present to physicians as an ankle sprain and is more common in individuals with high arches. Depending on the severity of the fracture, the patient may experience tenderness to touch, discoloration and swelling, and difficulty walking. During a physical examination, the patient may recall the moment of trauma or pain in the area where the fracture ultimately occurs. A patient will complain of sudden, sharp pain on the outside of the foot during physical activity. ANATOMY & PATHOLOGY: The Jones Fracture is a fracture of the fifth metatarsal, named by Sir …

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