Exercise Physiology Commons^™

Adolescent Femoral Neck Fractures: A Case Study On Initial Surgical Intervention, Avascular Necrosis Development, And Subsequent Total Hip Arthroplasty, K A. Fisher

Clinical Practice in Athletic Training

Background: The patient sustained a femoral neck fracture at the age of 13 after slipping and falling in his home. He was seen in the Emergency Department the same day and underwent a closed reduction and percutaneous pinning procedure the following morning. Ten weeks after returning to full weightbearing, and 13.5 weeks after his initial fracture, he developed stress fractures of the medial distal femoral and proximal tibial metaphyses. He experienced gradual worsening of hip pain and difficulty with ambulation between 11 to 13 months post-closed reduction and percutaneous pinning (CRPP). Avascular necrosis and collapse of the femoral head was …

Modification Of Ergonomics For A World-Class Brass Instrumentalist With A Congenital Limb Difference: Level 3 Case, O G. Newhouse

Clinical Practice in Athletic Training

Background: A drum and bugle corps is a musical marching organization that consists of approximately 160 brass, percussion, and color guard performers. There are currently twenty-one drum corps organizations at the world-class level that compete. Organizations learn their 8–10-minute show in the late spring and begin traveling the country performing and competing in the early summer until August. Rehearsal days can be up to 10 hours of practice including visual and music. It has been reported that the incidence of upper limb pain is higher in those who have longer practice times, in which is a symptom of overuse. These …

Title: Professional Socialization And Development Of Athletic Training Professional Program Directors, N A. Wilkins, K D. Pagnotta, L Kunkel, S David, A B. Thrasher

Clinical Practice in Athletic Training

Introduction: The role of Program Directors (PD) has vastly expanded over the last decade to meet the evolving demands of athletic training education and higher education. While specific responsibilities such as programmatic planning and accreditation maintenance are directly outlined in accreditation standards, PDs often assume additional institutional and programmatic responsibilities that now include recruitment and retention efforts, mentorship of faculty and students, curriculum design and mapping, and other administrative tasks. Previous research demonstrates athletic training faculty have little formalized training in administrative roles, and Coordinators of Clinical Education (CCEs) desired more support and development for that role. Little research exists …

Strength Assessment Protocol In Pre-Professional Ballet Dancers, Simona Di Nardo, Ivan Mascio

Clinical Practice in Athletic Training

Purpose: This research project aimed to investigate the effects, particularly regarding the ability to generate force, that could emerge following a ballet class. The purpose of the study was to support the thesis that low levels of fitness and performance in professional and amateur dancers, should be considered a significant gap that needs to be addressed. Larger will be the gap and bigger will be the demand of a dancer to be prepared athletically. While the shorter the gap and more efficient the artistic side of the dance performance will be. As a result, a stronger and healthier body will …

Characteristics Of Athletic Trainers That Are Satisfied And Dissatisfied With Their Compensation, K Ef Mair, J P. Young, L E. Eberman

Clinical Practice in Athletic Training

Introduction: Job satisfaction among athletic trainers (ATs), particularly in relation to compensation, is a critical factor influencing retention and career fulfillment. Examining the factors linked to earnings satisfaction may offer insight into how workplace conditions can be improved to better support ATs. The purpose of our study was to investigate the attributes that distinguish ATs content with their compensation from those who are dissatisfied. Methods: We used a cross-sectional, web-based survey to gather AT compensation data, of which 1,887 participants responded to a question regarding their satisfaction with compensation. Respondents were divided into two groups based on their satisfaction with …

The Effects Of A Joint Reduction Trainer On Confidence Levels In Professional Athletic Training Students, T Franklin, S Hacherl

Clinical Practice in Athletic Training

Introduction: Dislocations are common injuries managed by athletic trainers, yet athletic training students are unlikely to practice reduction techniques during clinical experiences. Current standards set by the Commission on Accreditation of Athletic Training Education require accredited programs to prepare students to manage patients with dislocations, including joint reductions. Research indicates the use of simulation techniques, such as joint reduction simulators, in education can fill clinical experience gaps and improve student confidence and skills. Shoulder dislocations make up nearly 50% of dislocations with several reduction techniques identified in the current literature. The use of a joint reduction simulator may provide athletic …

Force And Gait Mechanics At Reduced Body Weight On A Lower Body Positive Pressure Treadmill, Julia Paige Phillips, Eesha Gudiseva, Silvio Polly Da Costa Valladao, Thomas Andre

International Journal of Exercise Science

International Journal of Exercise Science 18(7): 239-250, 2025. Lower body positive pressure treadmills (LBPPT) have gained increasing attention due to their potential applications in sports training, rehabilitation, and biomechanics research. However, there is limited understanding of how differing body weight percentages influence gait and force production. This study aimed to investigate the relationship between force and gait parameters at different body weight percentages on a LBPPT. Twenty-seven healthy participants completed a series of walking, jogging, and running trials at three different body weight conditions: 100%, 90%, and 75%. Gait parameters, including cadence, stride length, stance time, and ground reaction force, …

A Comparison Between The Traditional And Novel Isometric Mid-Thigh Methods And The Relationship To Countermovement Jump Performance, Meir Magal, Jay R. Hoffman, Matan Amitay

International Journal of Exercise Science

International Journal of Exercise Science 18(3): 226-238, 2025. The isometric mid-thigh pull (IMTP) test using the traditional bar grip (BAR) is a reliable and effective measure of strength performance in different populations. In addition, IMTP performance has been linked to jump performance. Recent research has shown that the pelvic belt (PEL) IMTP method produces higher absolute and relative peak force values than the Bar IMTP method. However, limited scientific data has examined the PEL IMTP method performance data and its relationship to dynamic strength and sports performance. The study aimed to provide a more robust comparison between the BAR and …

Exploring The Incidence Of Synthetic Versus Non-Synthetic Cannabinoid-Induced Psychosis: A Scoping Review, Ruaa Al-Juboori, Zachariah Francois, Precious Patrick Edet, Marie Barnard

Faculty and Student Publications

Cannabinoids, including synthetic and non-synthetic variants, are associated with diverse mental health outcomes including the development of psychotic symptoms. While non-synthetic cannabinoids such as THC are well-studied, the stronger affinity of synthetic cannabinoids for cannabinoid receptors may lead to more severe and unpredictable health outcomes, including acute psychosis. Therefore, the objective of this scoping review is to investigate if the literature reported differences in the incidence of synthetic cannabinoid-induced psychosis versus non-synthetic cannabinoid-induced psychosis and quantify these differences if present. Following the JBI guidelines for scoping reviews, we will conduct a literature search across multiple databases including PubMed, PsycINFO, Scopus, …

Erratum For Recovery Effects Of Foam Rolling On Psychophysiological Responses In Thai National Male Ice Hockey Players

International Journal of Exercise Science

An erratum is being issued to an article published in 2023 in the International Journal of Exercise Science. The article is entitled “Recovery Effects of Foam Rolling on Psychophysiological Responses in Thai National Male Ice Hockey Players,”: 16(7): 1191-1204, 2023. DOI: https://doi.org/10.70252/DJVQ6733

The initial publication listed the dates of the study as between May 2020 and August 2021.

The dates of the study were between May 2021 and August 2021.

The Effects Of A Carbohydrate Mouth Rinse On Soccer-Specific Skills Following A Morning High-Intensity Practice, Lynnsey R. Bowling, Eric M. Scudamore, J Brian Church, Veronika Scudamore

International Journal of Exercise Science

International Journal of Exercise Science 18(6): 215-224, 2025. Carbohydrate mouth rinse (CMR) is suggested to improve aerobic, anaerobic, and skill-related performance. The current study examined the influence of CMR on soccer-specific skills in 13 faster collegiate female soccer players. Athletes completed a control (CON) and two counterbalanced, double-blind experimental sessions. Sessions consisted of a warm-up, high-intensity soccer practice, followed by four soccer-specific skill tests. During the experimental sessions participants rinsed with a color-and-taste-matched CMR or placebo (PLA) solution before the skill tests. Thirst sensation (TS), rating of perceived exertion (RPE) and heart rate (HR) were assessed throughout sessions. Performance scores …

Prevalence Of Exercise Dependence Among High-Intensity Functional Training Practitioners: A Cross-Sectional Analysis, Beatriz E O M R P Da Silva, Marcio Boniatti

International Journal of Exercise Science

International Journal of Exercise Science 18(4): 206-214, 2025. The objective was to explore the prevalence of exercise dependence (ED) risk among regular HIFT exercisers. Secondary objectives include exploring the prevalence of injuries within this population and examining the potential association between ED risk and injury prevalence. This cross-sectional study was conducted in a city in southern Brazil and included HIFT practitioners. ED was evaluated using the Exercise Dependence Scale-Revised (EDS-R). The primary outcome was the prevalence of ED risk. The final analysis included 64 HIFT practitioners, of whom the majority were female (n = 35; 54.7%). The mean EDS-R …

No Differences In Lactate Threshold Across The Menstrual Cycle In Untrained Females, Bianca Alvarenga Rambo Galletti, Grant Chesbro, Rebecca Larson

International Journal of Exercise Science

IInternational Journal of Exercise Science 18(8): 193-205, 2025. In addition to maximal oxygen consumption (VO2max), the Lactate Threshold (LT) is the other major determinant of aerobic exercise performance. This study examined the effects of the menstrual cycle (MC) phase on the LT in untrained females. Eight females and 8 males completed a LT test on a cycle ergometer. The tests were performed across three MC phases: early follicular (EF; menses), ovulatory (O), and mid-luteal (ML). The male participants (control group) were randomly assigned visits at similar time intervals as a regular 28-day cycle. Blood lactate was obtained during the …

Testing As Teaching: A Model For Fitness Assessment Practice And Service-Learning In Exercise Physiology Laboratory Education, Marc Apkarian

Educational Practices in Kinesiology

This resource is intended to provide a model for fitness assessment practice to promote student learning in an undergraduate exercise physiology laboratory course. The goal is for students to gain practical experience in fitness assessment procedures, both through skills practice and service-learning opportunities. The inclusion of an assignment requiring a specified number of assessments to be completed within the term requires additional student practice opportunities. Instruction, demonstration, and initial practice of tests associated with health-related physical fitness components must occur early in the course, so as to permit sufficient opportunities, in class or outside of class, over the remainder of …

Longitudinal Analysis Of Subsequent Musculoskeletal Injuries And Predictive Value Of Index Injuries In Collegiate Women's Field Hockey, Blake O'Neil, Paul Mentele, Xavier Smith, Katherine Pohlgeers, Ernest Rimer, Andreas Stamatis

International Journal of Exercise Science

International Journal of Exercise Science 18(5): 182-192, 2025. This study investigates the longitudinal patterns of musculoskeletal injuries in an NCAA field hockey team, emphasizing the predictive value of index injuries on subsequent injury rates. Analyzing a dataset from a women’s collegiate field hockey team, this research monitored 810 injuries across 124 athletes from 2008 to 2024. The study categorized injuries as local, nonlocal, and recurrent, employing a negative binomial regression to assess the impact of index injuries on the total number of career injuries. Results indicated that ankle sprains, hamstring strains, and back strains significantly predicted the total number of …

Observing The Relationship Between Additional Measures Of Handgrip Strength And The 6-Minute Push Test In Ambulatory Young Adults, Eric Naugle, Megan Nelson, Ryan Mcgrath, Matthew Kilgas, Lukus Klawitter

International Journal of Exercise Science

International Journal of Exercise Science 18(5): 170-181, 2025. Manual wheelchair users have been shown to have low functional capacity and limited ability to perform activities of daily living. Conventional protocols for assessing physical attributes such as muscle function in this population have unique boundaries such as expensive testing equipment and procedures not specific to wheelchair propulsion. The measurement of muscle function using electronic handgrip dynamometry has shown promise in assessing additional characteristics beyond strength capacity alone. This study aimed to determine the correlations of electronic handgrip dynamometry derived strength, time to peak force generation, fatigability (22.40±10.12%), isometric control, and asymmetry …

Gps External Load Metric Data And Game Performance In Ncaa Division I Women’S Lacrosse Athletes: A Longitudinal Study, Rachel M. Lifson, Xavier Smith, Ernest Rimer, Andreas Stamatis

International Journal of Exercise Science

International Journal of Exercise Science 18(8): 130-146, 2025. This study investigates the relationship between GPS-derived external load metrics and game performance (win/loss) in NCAA Division I women’s lacrosse athletes. Utilizing data from three seasons (2022-2024), the study analyzed 1,687 observations from 54 players to identify key performance indicators correlating with game outcomes. GPS metrics including Total Distance (TD), High-Speed Distance (HSD), Very High-Speed Efforts (VHSE), Total Player Load (TPL), High Inertial Movement Analysis (High IMAs), and Total Acceleration Load (TAL) were assessed. Multivariate logistic regression results indicate that VHSE is the most significant predictor of game success, with VHSE showing …

A Comparison Of External Loads In Division Iii Men's Lacrosse Between High Competition Matches And Low Competition Matches, Patrick M. Moore, Thomas G. Bowman, Yasmine I. Jones, Price Blair, Sean M. Collins

International Journal of Exercise Science

International Journal of Exercise Science 18(3): 158-169, 2025. Lacrosse is an open-field, invasion sport with limited knowledge of the physiological demands of gameplay at the Division III level. This study aimed to investigate the external loads of Division III men’s lacrosse players during NCAA season games. Comparisons were made between the external loads placed on the athletes in high competition versus those placed on the athletes in low competition matches. High competition matches were defined as matches against teams that qualified for the NCAA tournament whereas low competition matches included teams that did not meet high competition requirements. The dependent …

Comparison Of Virtual Vs. Traditional Cycling Exercise On Perceived Duration And Exercise Enjoyment: A Pilot Study, Kyle W. Reason, Lauren G. Killen, T. Scott Lyons, Jean A. Helm Allen, Matt Green

International Journal of Exercise Science

International Journal of Exercise Science 18(2): 147-157, 2025. Participating in regular physical activity has been shown to increases one’s quality of life. Individuals may choose not to participate in regular physical activity because of a perceived lack of time and enjoyment. With the potential of these barriers to decrease exercise adherence, the purpose of this study was to compare perceived exercise duration and enjoyment between a virtually interactive stationary bike and a clamped workload on a standard non-interactive stationary bike. Thirteen active participants completed a VO₂ peak test and four counterbalanced trials (two 20-min, two 40-min) with one trial …

A Comparison Of Brief Resistance And Aerobic Exercise Bouts On Cognitive Processing Speed In Young Adults, Jamie Ambriz, Amber M. Shipherd, Robert J. Kowalsky

International Journal of Exercise Science

International Journal of Exercise Science 18(4): 119-129, 2025. Research has found even a brief bout of exercise to be beneficial for improving processing speed. However, there is a lack of research directly comparing the effect of exercise modalities on processing speed. The purpose of this study was to compare the effects of a single brief bout of resistance exercise to aerobic exercise on cognitive processing speed in young adults. A total of 29 young adults ranging from 20-34 years of age (22.59±2.86 years) participated in a familiarization session followed by two randomized exercise conditions (aerobic, resistance). Each moderate-intensity exercise condition …

Strength Training Can Modulate Urinary Adipokine Levels In Healthy Young Males, Marcelo Henrique Salviano De Faria, Lucélia Scarabeli Silva Barroso, Antonio Felipe Souza-Gomes, João Luís Vieira Monteiro De Barros, Adriana Maria Kakehasi, Erica Leandro Marciano Vieira, Ana Cristina Simões E Silva, Albená Nunes Silva

International Journal of Exercise Science

International Journal of Exercise Science 18(2): 107-118, 2025. Adipose tissue stores energy in fat-rich adipocytes, which can produce and release several adipokines and modulate body metabolism. Exercise may induce adipokine production in adipocytes; however, the relationship between the two remains unclear. Few studies have shown the relationship between adipokines and strength training. Thus, we aimed to evaluate the acute and chronic effects of strength training (ST) on urinary adiponectin, leptin, and resistin levels. Twelve untrained young men (23.42 ± 2.67 years) were included in this study. Body composition was evaluated at baseline and after completing of the training protocol using …

Sport Participation Positively Associated With Balance Confidence And Well-Being In Transtibial Amputees, Lucas Hudson, Paolo Sanzo, Carlos Zerpa, Taryn Klarner

International Journal of Exercise Science

International Journal of Exercise Science 17(5): 1663-1678, 2024. Transtibial amputation (TTA) is the removal of the lower leg often resulting in pain, mental health issues, and a more sedentary lifestyle that lacks physical activity (PA). Low balance confidence and other factors related to the physical and psychosocial adaptation to amputation could contribute to why people with TTA actively avoid PA. Studies have investigated lower extremity amputations and barriers to PA in general, but none have focused solely on transtibial amputation and its relationship with PA participation and avoidance habits. To address this issue, 21 participants with TTA (14 male, 6 …

Compressive Pantyhose Mitigates Muscle Fatigue In Ballet-Specific Test: A Pilot Study, Gustavo R. Mota, Jeffer Eidi Sasaki, Mirelly Rangel Rocha, Pedro Augusto Bianchi Da Fonseca, Bernardo Ide, Kazushige Goto, Donizete Oliveira, Moacir Marocolo

International Journal of Exercise Science

International Journal of Exercise Science 18(2): 92-106, 2025. Compression garments, utilized in sports and exercise for performance enhancement and recovery, lack sufficient well-controlled studies to overcome any potential placebo effect. Therefore, we tested whether wearing compressive pantyhose (CP) during the Ballet-specific aerobic fitness test (BAFT) would influence performance, recovery, physiological, and perceptual indicators. Additionally, this pilot study tested the feasibility of the research procedures and informed adjustments for the main study. Nine young classical ballerinas attended two sessions on different days: a) wearing CP (pressure of 20-30 mmHg) or b) wearing a placebo pantyhose ([PLA] no compression, containing an illusory …

Comparison Of Cardiorespiratory Fitness Testing Measures In Children, Trey R. Naylor, Mariana V. Jacobs, Michael C. Taylor Jr., Jody L. Clasey

International Journal of Exercise Science

International Journal of Exercise Science 18(8): 65-78, 2025. There is currently an exponential increase in the prevalence of childhood obesity thus warranting the demand to appropriately measure and evaluate cardiorespiratory fitness within educational settings. The aims of this study were to (1) compare measured peak oxygen consumption (VO₂peak), heart rate peak (HRpeak), and 1-min heart rate recovery (HRRec) responses obtained using a GXTmax and the PACER test; and (2) compare the VO₂peak from the GXTmax and PACER test to a PACER prediction equation (ScottEqua). Methods: This study included 32 (16 boys) children. Despite not having maturational …

A Flexible Training Approach To Improving Concurrent Training Outcomes In Remote Trainees, Christopher Bonilla, Justin R. Kilian, Robert L. Herron

International Journal of Exercise Science

International Journal of Exercise Science 18(8): 43-55, 2025. This study aimed to evaluate the effectiveness of a flexible, trainee-driven training program in improving concurrent training outcomes for individuals training remotely. The study employed a repeated-measures, parallel group design with 18 participants randomized into either a control group with fixed workouts or an experimental group with flexible workout selection based on perceived readiness. Participants were recreationally trained at baseline. Over a 16-week period, both groups completed assessments of strength and endurance, including deadlift, push-ups, and a two-mile run. The results indicated no significant difference in overall fitness improvements between the two …

The Effects Of Augmented Feedback, Focus Of Attention, And Monetary Reward On Vertical Jump Height: A Replication Study, Javad Bakhshinejad, Jasmin C. Hutchinson, Jennifer Murphy, Lydia Trainor, Sarah Friedman, Nicholas Coker

International Journal of Exercise Science

International Journal of Exercise Science 18(7): 13-26, 2025. Reproducibility and replicability of published empirical scientific evidence are fundamental for verifying key findings, identifying errors and/or boundary conditions, and upholding rigorous research standards. For this replication study, the primary goal was to assess the replicability of the findings from Wälchli et al. (2016), which investigated the role of augmented feedback (AF), external focus of attention (EF), and reward (RE), as well as a combination of these conditions on countermovement jump height. The original study sample included 18 resistance-trained male and female participants, while this replication included 38 (19 male, 19 female). …

Yoga Vs. Static Stretching: Recovery Impact On Male Athletes’ Post-Hiit Heart Rate, Respiratory Rate, Blood Pressure, And Heart Rate Variability Analysis, Haruthai Petviset Dr., Sasima Pakulanon Dr., Suppalerk Rusmeeroj, Buris Rukdang

International Journal of Exercise Science

International Journal of Exercise Science 18(6): 79-91, 2025. Heart rate and heart rate variability indicate an athlete's cardiovascular recovery and autonomic balance after intense exercise. While stretching aids recovery, its effects on autonomic balance are inconsistent. Yoga’s combination of postures, breathing, and relaxation may further activate the parasympathetic system, making it a promising tool for sports recovery. This study employed a crossover design to examine the effects of yoga and stretching on post 30-min session of high-intensity interval training (HIIT) recovery in male athletes. Twenty athletes of Mae Fah Luang University (Age 20.95±0.99 years old, VO2max 42.53±4.79 ml/kg/min) were given …

An Exploratory Study Comparing The Metabolic Responses Between The 12-3-30 Treadmill Workout And Self-Paced Treadmill Running, Michael W.H. Wong, Dustin W. Davis, Olivia R. Perez, Bianca Weyers, Devin Green, Alan Garcia, James W. Navalta

International Journal of Exercise Science

International Journal of Exercise Science 18(6): 56-64, 2025. The fitness movement in the United States has evolved substantially since its emergence in the late 20th century, with social media platforms like YouTube and TikTok now playing a pivotal role in disseminating fitness programs and associated claims. One program that has gained considerable popularity is the 12-3-30 treadmill workout (12-3-30), which involves walking at a 12% grade at 3 mph for 30 minutes. Despite widespread claims about its effectiveness in burning fat and calories, there is a lack of peer-reviewed scientific studies evaluating these claims. The present study investigated metabolic responses …

The Psychometric Performance Of State Mindfulness Scales Around Sitting And Walking On Desert Trails: A Pilot Study, Dustin W. Davis, Elias M. Malek, Rob Salatto, Marcus M. Lawrence, Jacob W. Manning, Mark Debeliso, Merrill R. Landers, Graham Mcginnis, James W. Navalta

International Journal of Exercise Science

International Journal of Exercise Science 18(4): 27-42, 2025. State mindfulness is a dynamic construct reflecting current mindfulness, or purposeful attention to the present moment with openness, non-judgment, non-reactivity, and acceptance. Despite its popularity and research in psychology and medicine, measuring state mindfulness remains a challenge. Validity and reliability of the State Mindfulness Scale (SMS) and State Mindfulness Scale for Physical Activity (SMS-PA) in applied settings like nature require more data to be established. This pilot study aimed to evaluate these scales and introduce a new, one-item scale, the Visual Analog Scale-Mindfulness (VAS-M), for quicker mindfulness assessment. Participants completed the SMS, …

The Relationship Between Lower-Body Flexibility And Running Performance In A Half Marathon Downhill Running Event, Logan Petty, Marcus M. Lawrence

International Journal of Exercise Science

International Journal of Exercise Science 18(3): 1-12, 2025. Although previous studies examining treadmill or relatively flat overground running events have found relationships for running performance and flexibility, no study has examined these outcomes during downhill events, including between sexes. Therefore, the purpose of this study was to determine if a relationship exists between lower body flexibility and running performance in recreational adult male and female distance runners competing in a downhill half marathon race. Recreational (n=11 male, n=19 female) adult distance runners completed this study. On the day prior to the race, participants performed a standardized warm-up, …