Sports Sciences Commons^™

Muscle Creatine Levels And Sprint Performance In Young Adult Vegans And Vegetarians After 7 Days Of Creatine Monohydrate Supplementation, Thomas Christian Bonne, Valentina Arthemalle, Colin Stephen Doherty, Andreas Breenfeldt Andersen, Jacob Bejder, Thomas Ehlers, Henrik Holm-Sørensen, Nikolai Baastrup Nordsborg

Research outputs 2022 to 2026

Athletes use creatine monohydrate (CM) to enhance high-intensity exercise performance by increasing creatine phosphate availability. While CM supplementation is known to raise muscle creatine levels in vegans and vegetarians, its impact on exercise performance remains uncertain. We examined the effects of CM supplementation on muscle creatine content and exercise performance in vegans and vegetarians. In a randomized, double-blind placebo-controlled design, 15 healthy vegans and vegetarians consumed CM (0.3 g/kg/day, n = 7) or placebo (PLA, 0.3 g maltodextrin/kg/day, n = 8) four times a day for 7 days. Before and after supplementation, repeated sprint capacity was determined. Body mass and …

Lower Limb Muscle Strength Matters: Effect Of Relative Isometric Strength On Countermovement And Rebound Jump Performance In Elite Youth Female Soccer Players, Jack Fahey, Paul Comfort, Nicholas Joel Ripley

Research outputs 2022 to 2026

Background: Expression of maximal and rapid force in the hip, knee, and plantar flexors is important for athletic performance in female soccer. This study was designed to determine the effect of relative isometric strength in the isometric mid-thigh pull (IMTP) on countermovement jump (CMJ) and rebound jump (CMJ-R) performance in female youth soccer players. Methods: Ninety-six female soccer players (age: 14.1 ± 2.3 years, height: 160.5 ± 9.7 cm, mass: 55.0 ± 10.3 kg) completed three trials of the IMTP, CMJ, and CMJ-R using force plates. Players were categorized as stronger (top quartile, n = 19) and weaker players (bottom …

Comparison Of Decision-Making Skill In 360° Video To The Field Setting In Highly Skilled Rugby Union Players, Hannah J. Vawser, Khaya Morris-Binelli, Benjamin Piggott, Sean Müller, Paola Chivers, Evan Dekker

Research outputs 2022 to 2026

Little evidence exists of whether decision-making in immersive 360° video is representative of the field setting in sport. The purpose of this study was to investigate whether decision-making performance of a representative exemplar competition specific skill was similar between 360° video and a field task. Fifteen players from skilled junior rugby union pathways and professional rugby union teams in Australia were recruited to complete a 360° video decision-making choice response task involving four attackers and three defenders. Their decision-making was previously assessed in a similar field decision-making task that was representative of rugby game play. Decision-making was scored according to …

A Systematic Review Using A Multi-Layered Criteria Framework For Assessing The Validity And Reliability Of Velocity Monitoring Devices In Resistance Training, Youssef J. Wannouch, Samuel R. Leahey, Rodrigo Ramírez-Campillo, Harry G. Banyard, Harry S. Dorrell, Steven Stern, Gordon J. Ross, Jason C. Laffer, Kelvin Y.H. Chua, Paul Comfort

Research outputs 2022 to 2026

Background Velocity-Based Training (VBT) is an emerging method in resistance training for objectively prescribing and monitoring training intensity and neuromuscular function. Given its growing popularity, assessing the validity and reliability of VBT devices is critical for strength and conditioning coaches. Objective The primary purpose of this review was twofold: (1) to identify and address methodological gaps in current assessments of VBT device validity and reliability, and (2) to propose and apply a novel, multi-layered, criterion-based framework—developed in collaboration with statisticians and domain experts—for evaluating these devices. Methods A systematic search was conducted in PubMed, Scopus, and SPORTDiscus following PRISMA guidelines, …

A Study On Nutritional Status Among Regular Gym Goers In And Around Chennai, India, Ettiyappan Thirumurugan, Kalpana Devi Venkatesan, Pavithra Tamilmani, Devika Preetha, Joyce Albert Princy Mariya Selvanathan, Dhanyasree Mohandas, Ameer Basha Sathik, Santhosh Kumar Manjunathan, Ashika Kannadhas Sheeba

Makara Journal of Health Research

Background: The increasing sales of sports supplements indicate a concerning trend, as many gym-goers may misuse these products owing to misinformation and insufficient knowledge, potentially impacting their performance. This issue is further compounded by specific gym trainers who may lack comprehensive information and inadvertently influence their clients' choices. To address this concern, the present study evaluated dietary supplement practices and sports nutrition knowledge among regular gym-goers at fitness centers in Chennai, India.

Methods: A cross-sectional survey was conducted from November 2023 to May 2024 using a validated questionnaire distributed across Chennai, India. A total of 450 participants were …

Valoración De La Composición Corporal, Por Antropometría, En Atleta Paralímpico, Eliana Patricia Cuellar Carvajal, Juan Sebastián Torres Quijano

Ciencias del Deporte y la Educación Física

La evaluación de la composición corporal es de suma importancia en la preparación del paratleta, pues se ha convertido en un aspecto de interés, gracias a las investigaciones en las ciencias del deporte. Es posible determinar un perfil de la composición corporal para una modalidad deportiva, que contribuya al éxito competitivo y es importante considerar el impacto y tipo de discapacidad en el deportista, a fin de garantizar un asesoramiento en el paratleta que oriente de modo adecuado su plan de entrenamiento deportivo que genere un impacto positivo en su rendimiento.

Empowering Youth Tackle Football Athletes: A Content Analysis Of Nonlinear Pedagogy’S Influence On Autonomy And Practical Applications In Youth Tackle Football, Benjamin Jay Andelman

Masters Theses

Youth tackle football offers an environment that promotes both positive mental and physical benefits for young athletes. Despite the positive benefits associated with sports, participation is on the decline. The content analysis found connections between the prevailing prescriptive coaching methods in youth tackle football and the adverse mental effects on young athletes. This study, utilizing a qualitative content analysis of existing academic literature, proposes a practical application of Nonlinear Pedagogical principles in the youth tackle football practice context to develop a coaching model that promotes athlete autonomy, thereby increasing positive mental benefits for the youth athlete. Leveraging Ecological Dynamics, Constraints-Led …

The Impact Of Cold-Water Immersion On Mental Health: A Qualitative Study, Marcus Jean-Francois

Doctoral Dissertations and Projects

Historically, Cold Water Immersion (CWI) was used for physical therapy and is now a potential non-pharmacological intervention for mental health illnesses such as depression, stress and anxiety. In this study in Kota Kinabalu, Sabah, Malaysia, we examined the personal experiences on the psychological impact of CWI on mental health. We examined twelve participants between 20-35 years of age that had a self-diagnosed mental illness to participate in six CWI sessions over the span of three weeks. This study predicts that CWI will have a significant reduction in their mental health illness compared to baseline levels. Employing a Hermeneutic Phenomenological approach, …

The Effects Of The Menstrual Cycle On Movement Velocity In Female Athletes, Casey M. Krolikowski

Doctoral Dissertations and Projects

This study examined the psychological and physiological impacts of menstrual cycle phase and hormonal contraceptive (HC) use on barbell back squat and bench press velocity, handgrip strength, and countermovement jump height. The aim was to determine whether HC use and premenstrual syndrome (PMS) symptoms affected performance during menstruation, the late follicular phase (LFP), or the mid-luteal phase (MLP). Fourteen college-aged female athletes (N = 14) were divided into HC users (n = 7), and naturally menstruating, eumenorrheic individuals (n = 7). Movement velocity data was assessed using RepOne linear position transducers, jump height with the Just Jump mat, and grip …

Investigating “Sled Head” Phenomenon And Diurnal Patterns In Team Usa Bobsleigh And Luge Athletes: A Virtual Research Study, Garrett R. Augsburger

Doctoral Dissertations and Projects

This study investigated the relationship between training time, performance, and concussion symptoms among Team USA bobsleigh and luge athletes during a four-week training season. Recognizing the high physical demands and potential risks associated with sledding sports, the study aimed to understand the prevalence of concussion-related experiences and how training schedules might influence athletic performance and symptomology. Repeated measures quantitative design was employed using session-level survey data submitted by athletes following daily training sessions. Data was collected through a structured questionnaire assessing variables such as performance rating, fatigue, alertness, training intensity, sleep quality, and concussion symptoms. A total of 156 sessions …

An Analysis Of Sport Science Practices And Standards In Collegiate Football, Corey F. Fitzgerald

Doctoral Dissertations and Projects

This dissertation presents the findings of a survey that identifies the sport science practices and standards utilized in National Collegiate Athletic Association (NCAA) football programs. In total a fifty-two item survey instrument was administered that examines seven sections, including (i) demographics, (ii) current sport science practices, (iii) advanced technology, (iv) decision-making processes, (v) health and wellness, (vi) budget and resources, and (vii) comments. All generated numerical data was organized into a statistical analysis program, SPSS Statistics v 29.0.2.0 (© IBM Corporation). Correlations were conducted on data gathered from Likert Scale questions, using Spearman test. Additionally, comprehensive non-numerical subjective data was …

16-Week Physical Transition From Professional Mma To Tactical Firefighting: A Case Study, Cole D. Smeester, Gabriel J. Sanders, Corey Peacock, Jose Antonio

Journal for Sports Neuroscience

Firefighters, whose occupation involves intense physical, mental, and environmental demands, must be physically and mentally prepared to perform job-specific tasks effectively and safely. Nearly half of all injuries sustained on and off the fireground are musculoskeletal, highlighting issues in the preparation and maintenance strategies for work preparedness among firefighters. This case study examines the effectiveness of a 16-week conventional, conjugate strength and conditioning model on a fire recruit transitioning from a career as a professional MMA fighter. Specific data metrics were used to assess increases in firefighter-specific performance (i.e., EPAT time and body composition). After the 16-week program, the participant …

A Systematic Review Of Technology-Infused Physical Activity Interventions In K-12 School Settings: Effectiveness, Roles, And Implementation Strategies, Taemin Ha, Jongho Moon, Hyeonho Yu, Xiaoping Fan, Lisa Paulson

Department of Kinesiology Scholarship and Creative Works

Background

Rapid technological advancements have rendered many prior reviews of technology-integrated physical activity (PA) interventions in K–12 schools obsolete. A comprehensive analysis examining both the effects of these interventions and the specific roles that technology plays has been notably lacking. This review aimed to systematically examine the effects of technology-infused PA interventions and identify the specific types, roles, and contextual applications of technology within K–12 schools.

Methods

This systematic review adhered to the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines. A thorough search across seven electronic databases (CINAHL, ERIC/EBSCOhost, PsycINFO, PubMed/MEDLINE, Scopus, SPORTDiscus, and Web of Science) …

The Association Of Walking Cadence With Sleep Quality In Adults 18-65, Almothana M. Matarneh

Masters Theses, 2020-current

Sleep quality is essential to physical and mental health, influencing physiological functions including muscle recovery, hormonal balance, immune response, and cognition. Poor sleep may impact physical activity (PA) and sedentary behavior (SB), potentially contributing to reduced overall well-being. Walking cadence, the number of steps per minute, is an accessible proxy for PA intensity, but its relationship with sleep quality remains unclear. Objective: This study examined the relationship between PA, SB, and sleep quality, as measured by step cadence, among adults aged 18–65 years. Methods: participants wore an ActiGraph GT3X accelerometer on the hip during waking hours and on …

The Effects Of Moderate-Intensity Physical Exercise And Yoga Interventions On Stress In Hispanic College Students: A Pilot Study, Hongxing Lu, Florentino Saenz, Preethi Raju, Ednia Gutierrez, Sue Anne Chew, Saraswathy Nair

Health & Biomedical Sciences Faculty Publications

Background: Hispanic college students face high stress, which may increase their risk for chronic stress-related health issues. Effective and accessible stress management strategies for this population remain limited. Objective: This pilot study filled a gap by studying the effects of psychological stress on diet and physical activity habits and evaluating the impact of moderate-intensity physical exercise (MIPE) and yoga interventions on chronic psychological stress and acute stress responses among Hispanic college students. Methods: A total of 18 Hispanic college students participated in a 6-week intervention consisting of either MIPE or yoga, conducted twice weekly. Anthropometric measurements and lifestyle data were …

Nike™ Hypervenom-X Footwear With And Without Localized Ankle Compression Impact Static And Dynamic Postural Stability Differently, Harish Chander, Hunter Derby, Michael Brown, Emma Conley, Jordan Doherty, Leyton Riley, Adam C. Knight

Research and Innovation Publications

Purpose

The purpose of the study was to assess the impact of athletic footwear with and without an in-built ankle compression on static and dynamic postural stability.

Methods

Twenty participants completed the modified clinical test of sensory integration of balance (mCTSIB) [eyes open (EO), eyes closed (EC), eyes open foam surface (EOF), and eyes closed foam surface (ECF)], and the limits of stability (LOS) tests with volitional leaning in all directions [front left (FL), back left (BL), back right (BR), front right (FR)] on the BTrackS™. Both tests were completed in each footwear condition [barefoot (BF), Nike™ Hypervenom-X footwear with …

Exploring The Impact Of Foot Overpronation On Gluteus Medius Activation In Recreational Runners: A Biomechanical Analysis, Austin D. Stroeh

Doctoral Dissertations and Projects

Pes planus foot type and gluteus medius (GMed) dysfunction are independently considered risk factors in developing several overuse running-related injuries because they propagate kinematic and kinetic changes in the leg during the gait cycle. While both produce similar kinesiological actions, research on the relationship between foot type and GMed activation in running is limited. The purpose of this study was to investigate the relationship between pes planus and pes rectus foot types and their association with GMed activity during running gait in recreational endurance runners. 47 recreational endurance-based runners running approximately 5-15 miles weekly for at least 6 months with …

Growth, Maturation, And Selection Of Elite Youth Ice Hockey Players, Ryan Podell

Doctoral Dissertations and Projects

Maturity status may influence the selection of elite youth ice hockey teams in the United States. Assessing biological maturity status could provide insight into the prevalence of maturation related selection biases. Thus, the purpose of this study was to establish normative maturity status ranges, determine if maturity or relative age effect selection biases existed, and compare levels of agreement between methods to predict maturity status for elite youth ice hockey players in the United States. Part one of this study assessed the biological maturity status and birth months for 126 athletes, ranging 9-16 years of age, from an elite youth …

Effect Of Gait Retraining In Minimalist Footwear Or Barefoot On Running Footstrike And Cadence: A Systematic Review, John Desrochers, Alexis Chow, David Rubin, Altamash Raja

Rowan-Virtua School of Osteopathic Medicine Departmental Research

Gait retraining programs take a structured approach to altering a runner's gait, often with the goal of decreasing footstrike angle and increasing cadence, as these outcomes have been correlated to a reduced rate of injury and optimal performance. Minimalist footwear, or running barefoot entirely, has been explored as a tool for gait adjustment in runners, largely due to the increased feedback from ground forces experienced by the runner. This systematic review aims to decipher the effect of gait retraining with minimalist footwear or barefoot running on footstrike angle and cadence. The comparison group included runners that underwent gait retraining in …

Joint Kinematics And Kinetics During Vertical Jump Landings With Progressively Increasing External Loads, Darcie L. Yount

Dissertations

This study examined sagittal and frontal plane kinematics and kinetics during countermovement jump (CMJ) landings performed with either a traditional barbell (BB) or a hexagonal bar (HEX) across increasing submaximal loads in recreationally active males. Generally, hip and knee flexion angles and joint mean angular velocities decreased as loads increased. Hip extension and knee flexion moments increased as load increased up to 20 kg, at which point these values decreased. Performing the CMJ with the HEX exhibited increased frontal plane stability compared with the BB group. Additionally, the BB group exhibited stiffer landing strategies, with decreased sagittal plane joint angles …

Demographic Characteristics And Selected Personality Traits Of Women In Competitive Bodybuilding, Chloe A. Zeeuw

Master's Theses

This study investigated demographic characteristics and measures of personality (dimensions of performance perfectionism and five-factor model characteristics) in women in competitive bodybuilding between 18-25 years old. A total of 24 women completed an online survey which included a demographic questionnaire, the Five Factor Model Rating Form (FFMRF), and the Performance Perfectionism Scale for Sport (PPSS) inventories. Descriptive results for the FFMRF were Openness (18.17±3.12), Conscientiousness (25.58±3.33), Extraversion (19.96±3.46), Agreeableness (19.88±4.58), and Neuroticism (15.67±4.94), and for the PPS-S were Self-oriented performance perfectionism (20.96±3.53), Socially prescribed performance perfectionism (13.96±4.26), and Other-oriented performance perfectionism (10.54±4.23). Pearson’s correlation coefficients and Shapiro-Wilk tests revealed that …

Effects Of Training With Different Set-Repetition Configurations On High-Intensity Exercise Endurance And Acute Recoverability, Wesley Gawel

Electronic Theses and Dissertations

This study aimed to evaluate how high- (3x10) versus low-repetition (3x2) resistance training affects (1) muscular strength-endurance and (2) immediate recovery after a high-intensity exercise effort (HIEE). Fourteen college-aged participants (10 males: 24.5 ± 4.9 yrs, 1.76 ± 0.05 m, 86.56 ± 6.90 kg; 4 females: 23.0 ± 2.8 yrs, 1.58 ± 0.09 m, 62.19 ± 5.96 kg) completed a 4-week training program and were divided into two groups: G2 (3x2; 5 males, 2 females) and G10 (3x10; 5 males, 2 females). All subjects performed back squats to failure at 67.5% of baseline 1RM. Repetitions (REPS) and volume load with …

The Effect Of An Acute Bout Of Rock Climbing On Cognitive Functioning And Cortisol Levels, Vanessa Steigauf

All NMU Master's Theses

Rock climbing is an understudied physical activity (PA) that demands active decision-making, integration of sensory and visual input, and continuous regulation of nervous system activity to produce complex motor outputs. The unique psychological demands of climbing warrant studying its effect on cognition and brain health. I recruited 26 generally healthy adults for a randomized-controlled study. Climbing experience, PA and perceived stress were self-reported. Each participant was randomly assigned to a climbing (10x2 minutes climb, moderate intensity) or control group (seated, watching climbing-related video). The primary outcomes, cognitive performance and salivary cortisol levels were assessed by the Stroop test. A linear …

Resistance Training Load-Volume Effects On Maximal Strength, Isometric Force-Time Characteristics, And Force-Velocity Relationships, Chieh-Hsin Yu

Electronic Theses and Dissertations

The investigations concerned the effects of resistance training programs with different load–volume configurations on multiple strength characteristics, including maximal strength, isometric force–time properties, and force–velocity (F–v) relationships. Following a review of training interventions across these variables, two ecologically valid resistance training prescriptions were compared: high-load, low-volume (HLLV) and moderate-load, moderate-volume (MLMV). Fourteen recreationally trained participants were grouped into either HLLV (three sets of two repetitions at ≥ 80% 1RM) or MLMV (three sets of ten repetitions at 60–80% 1RM), incorporated into the main lifts of a 4-week program. Strength was assessed using back squat one-repetition maximum …

Engaging In Movement At Work: Exploring Engagement And Physical Activity., Spencer A. Cavan

Electronic Theses and Dissertations

High levels of employee engagement provide organizations competitive advantages such as increased customer satisfaction, profits, and employee productivity. Despite potential benefits, the number of engaged employees is declining and organizations need to find innovative ways to enhance engagement. Emerging evidence suggests workplace physical activity may generate organizational benefits extending beyond health improvement. Therefore, the purpose of this study was to investigate perceptions of engagement among employees participating in a physical activity intervention at work. A qualitative design, guided by phenomenology, examined perceptions of workplace physical activity and perceived levels of engagement, as well as constraints related to involvement among university …

Prevalence Of Stress Urinary Incontinence In Female Strength Athletes, Meghan Rohde, Jason Brumitt, Jodi Sandvik, Kari Bo

Internet Journal of Allied Health Sciences and Practice

Background: Stress urinary incontinence (SUI) is a symptom during pregnancy and in the postpartum period, but a high prevalence of SUI is experienced in sports involving running and jumping. Objectives: Identify the scope of the problem of SUI in women participating in strength sports, movement patterns that elicit SUI, and the impact on quality of life in female athletes with SUI. Study Design: Survey mixed methods with qualitative focus groups. Methods: The International Consultation on Incontinence Questionnaire Short Form (ICIQ-SF) and a sport-specific and obstetric/gynecological history questionnaire were sent to women who are United States citizens, age 18-65, and …

The Effect Of A Therapy Dog On Pressure Pain Threshold In Healthy Individuals, Lydia L. Haak, Rhonda L. Verdegan

Internet Journal of Allied Health Sciences and Practice

Purpose: Pain is the most common reason for healthcare consultation in the United States. Pain affects every area of life; biologically, psychologically, and socially. These three constructs make up every individual and thus contribute to their perceived quality of life. The use of therapy dogs (TD) has been widely researched as a source of non-pharmacological pain management. Studies have proven that a dog can reduce perceived pain in people with a variety of comorbidities. The purpose of this study was to prove that pain is modulated biologically by dogs and not just by human perception. Methods: This was …

The Use Of Physical Therapy In Gymnastics: A Systematic Review, Anna Bergman

Scholarly Horizons: University of Minnesota, Morris Undergraduate Journal

Gymnastics is a popular sport with hundreds of thousands of participants. Gymnastics also has a high injury rate among participants. Unfortunately, gymnastics requires specific rehabilitation and not much information exists on how to properly rehab gymnasts. The goal of this paper was to find existing literature about treating gymnasts’ injuries and analyze the results. Finally, recommendations were made in terms of future research.

Blood Flow Occlusion Superimposed On Low-Volume, Low-Intensity Knee Extensions Does Not Evoke Hypoalgesia: A Pilot Study, Sophie-Jayne Morgan, Jenny Zhang, Neil Lemay, Neda Khaledi, Saied J. Aboodarda

Topics in Exercise Science and Kinesiology

Topics in Exercise Science and Kinesiology Volume 6: Issue 1, Article 9, 2025. Exercise-induced hypoalgesia (EIH) is a transient decrease in pain perception that can be observed following various tasks, including low-intensity and high-intensity exercise. The application of blood flow occlusion (BFO) can help enhance exercise adaptations while being able to exercise at a low intensity, which has important implications for clinical and rehabilitative settings. Through descending inhibitory pathways, BFO-induced pain can potentially alleviate exercise-induced pain. This study aimed to assess whether the superimposition of BFO – and its associated augmented perceived responses – during low-intensity, low-volume resistance exercise could …

A Comparison Of Measured Versus Estimated Metabolic Equivalents (Mets) During The Farmer's Carry And Sled Push Exercises On A Commercially Available Step Mill, Colin Miller, Ethan Remotigue, Shane Hammer, J. Jay Dawes, Taylor K. Dinyer-Mcneely

Topics in Exercise Science and Kinesiology

Topics in Exercise Science and Kinesiology Volume 6: Issue 1, Article 8, 2025. The Stairmaster 10G ergometer allows users to perform non-traditional movements such as the sled push and farmer’s carry, which involve substantial upper and lower body contributions. Standard MET calculations for stair stepping do not account for this increase upper-body workload, so there is potential for error when aiming to determine exercise intensity based exclusively on estimated METs. The primary purpose of this study is to compare the metabolic and physiological effects of two training modes on the Stairmaster 10G ergometer, specifically evaluating the accuracy of MET values …