Kinesiology Commons^™

Cortisol Production In Female Soccer Players, Katelyn Seagraves

ASPIRE 2024

Cortisol is released from the adrenal glands when there is an apparent stressor. Exercise, while beneficial, is seen as stress to the body and incites increased cortisol release. Cortisol is known to increase with exercise, and higher-intensity exercise tends to raise cortisol more compared to lower intensities. However, less is known about interval training and cortisol concentrations.

This review of literature dives into the background of cortisol: how it's produced, what systems it regulates, and differences in production based on gender, stressors, exercise intensity, and duration. This paper identifies some knowledge gaps and links training intensities in soccer to cortisol …

Reliability Of Popliteal Artery Flow-Mediated Dilation In The Seated Position, Taskina Akhter

Rehabilitation Sciences Theses & Dissertations

Flow-mediated dilation (FMD) is a noninvasive measurement of endothelial function, which is a useful prognostic tool for cardiovascular disease risk. Despite its widespread use since 1992, the reproducibility of FMD varies widely between studies. This variability in reproducibility is especially significant in the case of the popliteal artery due to different methodological approaches. Studies perform popliteal FMD in various body positions, with the prone and seated positions most common. However, no studies have examined the reproducibility of both the seated and prone positions of the popliteal artery FMD. Therefore, the aim of this study is to examine the test-retest and …

Peripheral Quantitative Computed Tomography Is A Valid Imaging Technique For Tracking Changes In Skeletal Muscle Cross-Sectional Area, Bradley A. Ruple, Christopher G. Vann, Casey L. Sexton, Shelby C. Osburn, Morgan A. Smith, Joshua S. Godwin, Petey W. Mumford, Matt S. Stock, Michael D. Roberts, Kaelin C. Young

Faculty Scholarship

Peripheral quantitative computed tomography (pQCT) has recently expanded to quantifying skeletal muscle, however its validity to determine muscle cross‐sectional area (mCSA) compared to magnetic resonance imaging (MRI) is unknown. Eleven male participants (age: 22 ± 3 y) underwent pQCT and MRI dual‐leg mid‐thigh imaging before (PRE) and after (POST) 6 weeks of resistance training for quantification of mid‐thigh mCSA and change in mCSA. mCSA agreement at both time points and absolute change in mCSA across time was assessed using Bland‐ Altman plots for mean bias and 95% limits of agreement (LOA), as well as Lin's concordance correlation coefficients (CCC). Both …

Using Exercise To Reduce The Physical Symptoms Of Parkinson's Disease., Isabella Granahan, Jason Hoffman, John Catapano, Emma Gillis, Aveleen Mcginn Unkauf

Transformations: Presentation Slides

Proper forms of exercise can be used by individuals with Parkinson's to reduce the effects of the disease. Our study utilized a unique eccentric lower body exercise program to improve gait, balance, mood, and movement initiation/control for people diagnosed with Parkinson's disease. The twice weekly, 12 week exercise regime was evaluated through a variety of biomechanical, physiological and psychological measurements conducted throughout each of the training sessions. An analysis of the measures indicated that the exercise protocol did provide positive outcomes related to gait, balance, mood, and movement initiation/control for individuals that participated in our study

Cortisol Production In Female Soccer Players, Katelyn Seagraves

Honors Projects

Cortisol is released from the adrenal glands when there is an apparent stressor. Exercise, while beneficial, is seen as stress to the body and incites increased cortisol release. Cortisol is known to increase with exercise, and higher-intensity exercise tends to raise cortisol more compared to lower intensities. However, less is known about interval training and cortisol concentrations.

This review of literature dives into the background of cortisol: how it's produced, what systems it regulates, and differences in production based on gender, stressors, exercise intensity, and duration. This paper identifies some knowledge gaps and links training intensities in soccer to cortisol …

A Research Framework To Improve Evidence-Based Practice Surrounding The Resuscitation Response To Drowning In Surf Lifesaving, Elissa Hooper, Aaron T. Scanlan, Shayne D. Baker, Samantha Fien

International Journal of Aquatic Research and Education

Surf lifesaving members are essential first responders who patrol public waterways, performing rescues and resuscitation to individuals in the community when needed. In this way, surf lifesaving members experience arduous physical requirements alongside extensive psychological stress during resuscitation. Surf Life Saving Queensland (SLSQ) represents the predominant, frontline lifesaving service in Queensland, Australia; however, little research has explored key aspects of drowning resuscitations involving this organisation, as well as in the broader lifesaving industry, limiting our current understanding on this vital topic. We sought to explore key aspects of drowning resuscitations within SLSQ and create a framework to generate evidence-based practice. …

‘You Have To Respect The Water’: Participant Experiences Of Appreciating And Managing The Risks Associated With Open Water Swimming – A Rapid Ethnographic Study, Mark A. Christie, David Elliott

International Journal of Aquatic Research and Education

Open water swimming (OWS) has rapidly grown in popularity, driven by the purported health benefits of cold-water immersion. A paucity of research remains specifically considering the notable risks inherent in OWS participation, and a lack of qualitative research on freshwater swimming experiences, and safety-related issues therein. This rapid ethnographic study, based at a dedicated OWS lake in the UK, conducted semi-structured interviews with OWS participants (n=17; female=11, male=6). Two core themes emerged: environmental issues impacting OWS experiences and behaviours; and knowledge and education of OWS which highlighted safe/unsafe practices, levels of education for managing risks, personal preparedness, swimming solo/with others, …

Perceived And Real Water Competency And Drowning Risk Among Adults, Teresa Stanley, Kevin Moran, Dawn Garbett, Alan Ovens

International Journal of Aquatic Research and Education

Traditionally, public understanding of drowning survival has focused on swimming capacity, often measured by how far a person can swim. With respect to the high incidence of adult drowning in high-income countries, using the more inclusive concept of water competency may yield a more comprehensive explanatory framework for understanding the reasons behind these drownings. Any competency base required to survive a drowning situation is dynamic, complex, and multi-faceted. Furthermore, perceptions of risk and capacity to cope with that risk are likely to be pivotal to the avoidance of drowning. Adults’ perceived water competence was measured against their actual water competence …

In This Issue 14:3, Stephen J. Langendorfer Ph.D.

International Journal of Aquatic Research and Education

In This Issue 14:3

Barriers: Location, Functionality, And Method Of Access In Childhood Pool/Spa Submersion Incidents, United States, 2000-2017, Alison Miller, Kristina R. Anderson, William D. Ramos

International Journal of Aquatic Research and Education

Drowning is a leading cause of fatality among children in the United States, and residential pools/spas currently account for as much as 80% of these submersion incidents. This study reviewed narrative case reports obtained from the United States Consumer Product Safety Commission (CPSC) to understand barrier location, type, and functionality as methods of pool/spa access for childhood submersion incidents. Retroactive analysis of 1,523 fatal and non-fatal submersion incidents among children aged 13 years old and younger was conducted using the CPSC in depth investigation dataset from 2000-2017. Narrative descriptions were coded according to the attributes of barrier location, functionality, and …

Attitudes And Self-Efficacy Of Swimming Coaches Towards The Inclusion Of Swimmers With Autism Spectrum Disorder, Eleftheria Kasagianni, Dimitrios Kokaridas, Panagiotis Varsamis, Vasilis Tsimaras

International Journal of Aquatic Research and Education

The purpose of this study was to investigate the attitudes and self-efficacy of swimming coaches regarding the inclusion of swimmers with autism spectrum disorder (ASD). The sample consisted of 150 Greek swimming coaches with an average age of 29.58 years. Each participant completed the Swimming Coaches Attitudes towards Inclusion Questionnaire for perceptions assessment and the Biddle and Goudas (1997) self-efficacy questionnaire. The statistical analysis used SPSS 27 to calculate Cronbach’s alpha, Pearson product-moment correlations, independent t-tests, and ANOVA. The findings of the study showed that the swimming coaches expressed positive attitudes and a high percentage of perceived self-efficacy towards the …

Lay Rescuer Equipment Preferences And Efficacy During A Simulated Drowning Event, Alison M. Miller, William D. Ramos, Kristina R. Anderson, Jill Cuvala

International Journal of Aquatic Research and Education

During a drowning incident where a lifeguard is not present, a bystander – referred to as a lay rescuer - may put themselves in danger by attempting a rescue. When lay rescuers can avoid entering the water by using rescue equipment to help a drowning victim, it serves to not only help the person actively drowning, but also provides a layer of protection to a lay rescuer. This study sought to examine the following questions: (a) which pieces of rescue equipment were preferred by lay rescuers at pre-determined short and long distances, (b) do lay rescuers select appropriate rescue equipment …

Stress Hormone And Heart Rate Responses To Various Exercise Training Methods, Tomas Gomez Jr., Rebekah Schlatter, Megan Zamora, Marco Arriago, Sue Anne Chew, Murat Karabulut

Research Symposium

Background: Blood Flow Resistance (BFR) training has garnered attention for its ability to induce positive physiological adaptations with low-load resistance exercise. The present study aimed to examine the responses of catabolic hormones and heart rates (HR) to various BFR training protocols. This investigation seeks to provide insights into the stress levels induced by different protocols and identification behind the most effective protocol for optimal positive exercise-related adaptations.

Methods: Study population involved 10 healthy adult males (height: 175.0±5.0 cm, weight: 96.67±26.6 kg, age: 21.3±2.67 yr.) in a five-session investigation. Informed consent paperwork, pre-testing and anthropometric measurements served as session 1; sessions …

Lower Body Gait Variability As A Distinguishing Feature In Humans, Tyler M. Wiles, Seung Kyeom Kim, Nick Stergiou, Aaron D. Likens

UNO Student Research and Creative Activity Fair

Most humans have a fingerprint that is unique and persists throughout life. The same may be true for gait. Each person is unique physiologically and biomechanically, and has experienced a unique progression of life including injuries, habits, hobbies, or lifestyles that all contribute to navigating the world. Those individualized experiences, whether intended or not, are potentially on display in gait. We hypothesized that there are gait characteristics intrinsic and unique to everyone, so that everyone has a unique “gaitprint”, similar to humans possessing unique fingerprints. To test our hypothesis, we recruited thirty healthy young adults between the ages 19-35 as …

Functional Outcomes Of Noninvasive Sensory Feedback In Upper Limb Prostheses: A Meta-Analysis, Libby Caldwell

UNO Student Research and Creative Activity Fair

Noninvasive sensory feedback applies vibration or pressure to the residual limb and is thought to improve the functionality of upper limb prostheses. However, the efficacy of this approach has not been sufficiently investigated, particularly regarding actual amputee efficacy. The purpose of this study was to evaluate the functional benefits of noninvasive sensory feedback in upper limb prostheses through a meta-analysis. Electronic databases (MEDLINE, Web of Science, and PubMed) were searched up to October 2022 using the following search terms: (prosthesis OR prosthetic) AND (hand OR arm OR forearm OR transradial OR “upper limb” OR “upper extremity) AND (tactile OR haptic …

Walking With A Load On Wheels: Potential Effects Of Bidirectional Springs On Walking Economy, Hiva Razavi, Philippe Malcolm

UNO Student Research and Creative Activity Fair

Walking with a Load on Wheels: Potential Effects of Bidirectional Springs on Walking Economy

Have you ever noticed how your arms alternatively flex and extend when pushing a heavy shopping cart? Accelerating and decelerating heavy masses, such as a shopping cart, can require much effort. During walking, we alternatively accelerate and decelerate our Center of Mass (COM) in every gait cycle, which can require even more effort if we accelerate and decelerate a load while walking. Theoretically, this effort can be reduced by timing the acceleration and deceleration of the load's mass opposite to the individual's COM. Previous studies have …

Inter-Joint Variability And Age-Related Changes In Human Walking, Mehrnoush Haghighatnejad, Tyler Wiles, Seung Kyeom Kim, Aaron Likens, Nicholas Stergiou

UNO Student Research and Creative Activity Fair

Inter-Joint Variability and Age-Related Changes in Human Walking

Mehrnoush Haghighatnejad¹*, Tyler M. Wiles¹, Seung Kyeom Kim¹, Nick Stergiou^1,2, Aaron D. Likens¹

¹Department of Biomechanics, University of Nebraska at Omaha

²Department of Physical Education and Sport Science, Aristotle University, Thessaloniki, Greece

*Corresponding author’s email: mhaghighatnejad@unomaha.edu

Presentation Preference: Poster

Humans routinely perform a variety of activities such as walking, running, driving, and typing, all of which require coordination among different body joints. For instance, walking and running involve rhythmic movements of the arms and legs. The involvement of the upper …

Negative Impact Of Aging On Gait Autocorrelation: A Mixed-Effects Analysis Of Stride Interval Dynamics, Theodore Deligiannis, Tyler M. Wiles, Seung Kyeom Kim, Nikolaos Stergiou, Aaron Likens

UNO Student Research and Creative Activity Fair

NEGATIVE IMPACT OF AGING ON GAIT AUTOCORRELATION: A MIXED-EFFECTS ANALYSIS OF STRIDE INTERVAL DYNAMICS

Theodore A. Deligiannis^1*, Tyler M. Wiles¹, Seung Kyeom Kim¹, Nick Stergiou^1,2, Aaron D. Likens¹

¹Department of Biomechanics, University of Nebraska at Omaha

*Corresponding author’s email: tdeligiannis@unomaha.edu

Presentation preference: Podium

Traditional gait metrics, like speed, cadence, coordination, as well as non-linear measures, appear related to Timed Up and Go (TUG). Timed Up and Go is a clinical measurement related to physical, socioeconomic, and psychological parameters, as well as overall health. TUG can be used as a health …

Neural Epigenetic Changes In Response To Morphine: A Peek Into The Science Of Addiction, Timothy Smartt, Jeffrey Edwards, Addison Smartt

Library/Life Sciences Undergraduate Poster Competition 2024

Introduction

Since the 1990's, the United States has experienced a crisis of opioid addiction and overdose. The effects of opioids on the ventral tegmental area (VTA), the reward center of the brain, are a primary cause of opioid dependence.

Implementing Meta-Session Autoregulation Strategies For Exercise- A Scoping Review, Adam Ibrahim, Cory T. Beaumont, Kelley Strohacker

International Journal of Exercise Science

International Journal of Exercise Science 17(5): 382-404, 2024. Meta-session autoregulation, a person-adaptive form of exercise prescription that adjusts training variables according to daily fluctuations in performance considering an individual’s daily fitness, fatigue, and readiness-to-exercise is commonly used in sports-related training and may be beneficial for non-athlete populations to promote exercise adherence. To guide refinement of meta-session autoregulation, it is crucial to examine the existing literature and synthesize how these procedures have been practically implemented. Following PRIMSA guidelines a scoping review of two databases was conducted from August 2021 to September 2021 to identify and summarize the selected measures of readiness-to-exercise …

Maximal Aerobic Capacity As A Predictor Of Performance On Acft Total Score Of Rotc Cadets, Anthony M. Acevedo, Zachary Zeigler, Bridget F. Melton

International Journal of Exercise Science

International Journal of Exercise Science 17(4): 429-437, 2024. The Army Combat Fitness Test (ACFT) is a newly developed test that assesses the combat readiness of U.S. Army soldiers. The purpose of this cross-sectional study is to determine if VO_2max can predict performance outcomes of the ACFT in ROTC cadets. This understanding can provide a better understanding of the aerobic demands of the ACFT. Cadets (50 males, 14 females; aged 21.43 ± 4.10 years) completed the 6-event ACFT (maximum trap-bar deadlift [MDL], standing power throw [SPT], hand-release pushups [HRPU], sprint-drag-carry shuttle run [SDC], plank [PLK], and 2-mile run [2MR]). The …

Influence Of Body Composition On Functional Movement Among Police Officers, Stacy L. Gnacinski, Frankie Porter, Madison N. Renner, Tessa Laska

International Journal of Exercise Science

International Journal of Exercise Science 17(4): 418-428, 2024. Research indicates that the Functional Movement Screen (FMS) can be used to measure functional movement quality and characterize musculoskeletal injury risk in tactical populations. Although body composition has been linked to chronic disease in police officers, the link between body composition and functional movement quality has not been explored in this population. As such, the purposes of the study were to examine: (a) the effect of body mass index (BMI) on functional movement, and (b) determine the significance of fat mass (FM) and fat free mass (FFM) in predicting functional movement among …

Maximal Running Speed And Critical Speed Are Positively Related To Phase Angle In Healthy Young Adults, Trevor Short, Paulette Yamada

International Journal of Exercise Science

International Journal of Exercise Science 17(4): 405-417, 2024. Phase Angle (PhA), derived from bioelectrical impedance analysis, is a measurement of cellular resistance to electrical current and a non-invasive tool to monitor neuromuscular performance. The relationship between PhA and components of athletic performance is not fully understood. The purpose of this study was to determine if maximal running speed, critical speed (CS), and/or D prime (D’) derived from a 3-minute all-out-test (3MAOT) correlates to PhA, reactance (Xc), or resistance (R). Sixty-one (male n=35, female n=26) healthy young adults (23.4±3.9 years) completed bioelectrical impedance analysis (Inbody770) and a 3MAOT. The correlations between …

The Effect Of Stroboscopic Vision Training On Blind-Folded Straight-Line Walking, Saira Talwar, Johneric W. Smith, John Lamberth

International Journal of Exercise Science

International Journal of Exercise Science 17(1): 438-444, 2024. Stroboscopic vision training has shown to improve visual-motor controland dynamic visual acuity in sport performance;however, no studies have considered using this training to enhance kinesthetic awareness during walking, applicable to high fall-risk populations. Purpose: The purpose of this study was to assess the effect of stroboscopic vision training on blind-folded straight-line walking. Methods: Thirty-seven college-aged healthy participants (age: 20.14 ± 1.23 years; females: N = 32, males: N = 5) completed this study. In this pre-posttest quasi-experimental investigation, participants with no epileptic or balance disorder history completed a four-week progressive stroboscopic vision …

Does Joint Angle Affect Composite, Inter-Individual, And Intra-Individual Patterns Of Responses For Men During Fatiguing Isometric Forearm Flexion Tasks Anchored To A High Perceptual Intensity?, Jocelyn E. Arnett, Robert W. Smith, Tyler J. Neltner, John Paul V. Anders, Dolores G. Ortega, Terry J. Housh, Richard J. Schmidt, Glen O. Johnson

Journal for Sports Neuroscience

Purpose: The purpose of this study was to utilize the Ratings of Perceived Exertion (RPE) Clamp Model to examine the effects of joint angle on the composite, inter-, and intra-individual patterns of responses for torque and neuromuscular parameters during fatiguing isometric tasks anchored to RPE of 8 (RPE = 8) at elbow joint angles of 75° (JA75) and 125° (JA125) for men. Methods: Ten men (Mean ± SD: age: 20.7 ± 1.2 yrs; height: 181.6 ± 6.0 cm; body mass: 83.7 ± 14.9 kg) performed 2,3 s forearm flexion maximal voluntary isometric contractions (MVIC) with the dominant arm before and …

Establishing The Validity And Reliability Of The Astroskin® Biometric Shirt, Alex Macquarrie, Jasmin Sidhu, Chloe Deetlefs, Steve Whitfield, Matt Stainer

Topics in Exercise Science and Kinesiology

Topics in Exercise Science and Kinesiology Volume 5: Issue 1, Article 4, 2024. Biometric garments such as the Astroskin® biometric shirt (Carre Technologies, Montreal, PQ) may be useful for non-invasively monitoring human physiology in a number of applied settings. The Astroskin® biometric shirt measures and records continuous heart rate (HR), blood oxygenation (SPO2), systolic blood pressure (SBP) and respiratory rate (RR). The aim of this study was to establish the reliability and validity of the Astroskin® biometric shirt. This was achieved through comparing the Astroskin® with a commercially available hospital-grade cardiac monitor, the corpuls3® (Stemple GmbH, Kaufering, Germany) for the …

Determining The Barriers To The Use Of Post-Match Fatigue Monitoring In The Rugby Codes: A Concept Mapping Study., Mitch Naughton, Tannath Scott, Dan Weaving, Scott Mclean, Colin Solomon

Topics in Exercise Science and Kinesiology

Topics in Exercise Science and Kinesiology Volume 5: Issue 1, Article 3, 2024. The rugby codes (i.e., rugby union, rugby league, rugby sevens [termed ‘rugby’]) are team-sports that impose complex physical demands upon players which in-turn, leads to domain-specific fatigue (e.g., neuromuscular, cardio-autonomic). Quantifying post-match fatigue through various methods and metrics is important to monitor player fatigue status, which influences training readiness. The specific and general barriers limiting the use of post-match fatigue monitoring in rugby are not presently known. Therefore, the aims of this study were to identify specific and general barriers (clusters of specific barriers) to the use …

A Meta-Analysis Of Randomized Controlled Trials On The Effects Of Photobiomodulation Therapy On Running Performance, Ana Paula Do Nascimento, Adriano Valmozino Da Silva, Juliano Casonatto, Andreo Fernando Aguiar

International Journal of Exercise Science

International Journal of Exercise Science 17(4): 327-342, 2024. Objective: To conduct a meta-analysis to investigate the effects of Photobiomodulation (PBM) therapy on running performance. Introduction: PBM has recently been advocated as a valuable non-pharmacological ergogenic strategy, however, the efficacy of PBM on running performance remains unproven. Methods: A computerized literature search was conducted until June 2023. The databases searched were PubMed/Medline, Embase, Scopus, SPORTDiscus, and Web of Science. Inclusion/exclusion criteria were determined through the PICO process. The running variables analyzed were time-trial or time-to-exhaustion. Results were combined with the standardized mean differences (SMD) and the 95% confidence intervals. Results: Twelve …

Effects Of Different Physical Therapy Interventions In Improving Flexibility In University Students With Hamstring Tightness- A Systematic Review And Network Meta-Analysis, Esther Liyanage, Kt Malwanage, Mkid Senarath, Hm Wijayasinghe, Indrajith Liyanage, Fmd Chellapillai, Shiromi Nishshanka

International Journal of Exercise Science

International Journal of Exercise Science 17(3): 359-381 2024. The aim of the present study was to identify the different interventions for hamstring flexibility among university students with hamstring tightness and to determine the better treatment method. Design: Systematic review and network meta-analysis. An electronic search of the databases: Medline, Pubmed, Cochrane, EMBASE, CINAHL, Physiotherapy Evidence Database (PEDro) was conducted. A total of 11 articles were included in the review. Of these articles, 02 were case-control studies, 02 were interventional pre-post studies and 07 were RCTs. The 07 RCTs were included for network meta-analysis. The findings of the initial network meta-analysis …

Acute Effects Of A Hop-Stabilization Warm-Up Program On Dynamic Balance, Ground Reaction Force, And Muscle Activity During Cutting Movements In Collegiate Athletes With Chronic Ankle Instability, Teerapat Laddawong, Hiromi Saito, Toshiaki Soga, Hirose Norikazu

International Journal of Exercise Science

International Journal of Exercise Science 17(1): 343-358, 2024. First-time lateral ankle sprains often lead to chronic ankle instability (CAI), with 47% facing recurrent injuries, emphasizing the need for preventive measures. Side-cutting movements in sports pose a risk for CAI individuals due to potential biomechanical control alterations. While the hop-stabilization warm-up program has proven effective in preventing ankle sprains, its specific acute impact on CAI individuals lacks substantial evidence. This study employed a crossover design with eight CAI participants (23 ± 3.4 years, BMI 23 ± 1.5 kg/m²) and eight healthy participants (25 ± 3.6 years, BMI 23 ± …