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Articles 61 - 90 of 435

Full-Text Articles in Sports Sciences

Title: Professional Socialization And Development Of Athletic Training Professional Program Directors, N A. Wilkins, K D. Pagnotta, L Kunkel, S David, A B. Thrasher Feb 2025

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 …


Preceptor Development: Identifying The Best Modality For Building Clinical Educators, G W. Cohen, R M. Lopez, A J. Tritsch Feb 2025

Preceptor Development: Identifying The Best Modality For Building Clinical Educators, G W. Cohen, R M. Lopez, A J. Tritsch

Clinical Practice in Athletic Training

Introduction: Preceptor training and development are not standardized within the athletic training profession. The Commission on Accreditation of Athletic Training Education (CAATE) requires that Athletic Training Programs provide an ongoing education plan for preceptors to promote a constructive learning environment for students. However, with the rapid expansion of clinical education opportunities outside of institutions' immediate area, programs must identify how to reach all their preceptors and uphold their programmatic expectations for clinical educators. Methods: The investigators conducted a cohort pre-test-post-test design study. A preceptor development program (PDP) was created and grounded in the theory of gamified learning and adult learning …


Adolescent Femoral Neck Fractures: A Case Study On Initial Surgical Intervention, Avascular Necrosis Development, And Subsequent Total Hip Arthroplasty, K A. Fisher Feb 2025

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 …


Clinat: In Service To Athletic Training Scholarship, Lindsey Eberman, Matthew J. Rivera Feb 2025

Clinat: In Service To Athletic Training Scholarship, Lindsey Eberman, Matthew J. Rivera

Clinical Practice in Athletic Training

To be of service to others means to help others without expecting anything in return. The ClinAT, or Clinical Practice in Athletic Training journal, is an online, open-access outlet for the dissemination of practice-based research in health care, and a donation of time, effort, and energy to the profession of athletic training. In 2018, when Indiana State University created its first issue of ClinAT, we were a faculty of 3 with 5 PhD students supporting the journal, one of whom was wholly dedicated to the effort. As the higher education landscape has changed, and the roles and responsibilities of our …


Prevalence, Perceptions, And Attitudes Of Accommodation For Students With Disabilities In Athletic Training Education Programs, T J. Babcock, L E. Eberman Feb 2025

Prevalence, Perceptions, And Attitudes Of Accommodation For Students With Disabilities In Athletic Training Education Programs, T J. Babcock, L E. Eberman

Clinical Practice in Athletic Training

Introduction: Disability accommodation has been widely researched in healthcare education programs, including medical doctor (MD), doctor of osteopathy (DO), and physical therapy (PT). However, little research has been conducted on classroom and clinical education accommodation in athletic training education. The purpose of this study was to explore these settings and gain an understanding of student experiences with accommodation in athletic training education programs. This project was deemed exempt by Indiana State University’s Institutional Review Board. Methods: A cross-sectional 24-question survey was developed and adapted from prior qualitative research on accommodation in physical therapy education. Emails containing a link to the …


Enhancing Clinic Efficiency: A Quality Improvement Initiative For Postoperative Patient Care In An Outpatient Orthopedic Physician Practice Setting, D Stepan, T Jp Greffly, R M. Williams Feb 2025

Enhancing Clinic Efficiency: A Quality Improvement Initiative For Postoperative Patient Care In An Outpatient Orthopedic Physician Practice Setting, D Stepan, T Jp Greffly, R M. Williams

Clinical Practice in Athletic Training

Introduction: Following orthopedic surgery, patient post-operative (post-op) visits are deemed global surgical observations where day 00 to day 90 are appointments that cannot be billed. Patients are typically seen 3 times during this global period. Thus, the outpatient clinic needs to have non-billable time slots each day for these patients. The current scheduling model double books patients every 15 minutes, with the physician being the primary provider seeing patients for post-op visits. Therefore, the clinic has demonstrated inefficiencies with scheduling these patients while having sufficient appointments available for billable patients. This quality improvement initiative aimed to decrease post-op patient visits …


Characteristics Of Athletic Trainers That Are Satisfied And Dissatisfied With Their Compensation, K Ef Mair, J P. Young, L E. Eberman Feb 2025

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 Financial Stresses That Affect Athletic Training Students: A Qualitative Investigation, C Kuehner-Boyer, E León Zaragoza Feb 2025

The Financial Stresses That Affect Athletic Training Students: A Qualitative Investigation, C Kuehner-Boyer, E León Zaragoza

Clinical Practice in Athletic Training

Introduction: A recent survey examining barriers that affect athletic training students found that financial-related barriers created significant stress for students in professional athletic training programs. The need to work while attending a professional athletic training program was the highest reported barrier with 54.82% of respondents indicating that this was a barrier for them during their program. Beyond the overall reporting rate, the need to work while completing a professional athletic training program was indicated by athletic training students to be the barrier that they encountered the most frequently with respondents reporting that this was a stress for them between monthly …


Musculoskeletal Tumors Disguised As Orthopedic Injuries: A Case Report, A Summers Feb 2025

Musculoskeletal Tumors Disguised As Orthopedic Injuries: A Case Report, A Summers

Clinical Practice in Athletic Training

Background: Musculoskeletal tumors are relatively rare, accounting for only 0.2 to 0.5% of all malignancies across all age groups. More specifically, Pigmented Villonodular Synovitis, a type of musculoskeletal tumor, has an incidence rate of 1.8 cases per one million people in a population. This benign, proliferative disease is a type of tenosynovial giant cell tumor that can affect the soft tissue lining of joints, bursae, and tendon sheaths. These joint-related tumors often present with an insidious onset and non-specific physical exam findings. Therefore, they are often mistaken for other, more common orthopedic injuries, making them difficult to diagnose. Patient Information: …


Strength Assessment Protocol In Pre-Professional Ballet Dancers, Simona Di Nardo, Ivan Mascio Feb 2025

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 …


Exploring The Incidence Of Synthetic Versus Non-Synthetic Cannabinoid-Induced Psychosis: A Scoping Review, Ruaa Al-Juboori, Zachariah Francois, Precious Patrick Edet, Marie Barnard Feb 2025

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, …


Menstrual Cycle Phase Effects On Exercise Thermoregulation And Performance In The Heat, Kailei J. Eustis Jan 2025

Menstrual Cycle Phase Effects On Exercise Thermoregulation And Performance In The Heat, Kailei J. Eustis

All Master's Theses

Hormone fluctuations across the menstrual cycle (MC) may influence physiological responses. This study examined whether thermoregulatory measures differ across MC phases, and if these changes impact running performance in the heat. Ten eumenorrheic adults completed two treadmill runs in simulated conditions (wet bulb globe temperature 31.7 ± 1.4°C) during early follicular (EF) and midluteal (ML) phases. First 45min was a constant self-selected light pace followed by a 15min performance test for distance. Core temperature (Tc), mean skin temperature (Ts), heart rate (HR), perceived exertion (RPE), thermal perception (THERM), and comfort perception (COMF) were assessed every 5min. Sweat perception (SP), sweat …


Comparing Physiological, Psychological, And Performance Changes Between Myo-Reps Vs Traditional Hypertrophy Protocols, Antonella V. Schwarz Dec 2024

Comparing Physiological, Psychological, And Performance Changes Between Myo-Reps Vs Traditional Hypertrophy Protocols, Antonella V. Schwarz

Doctoral Dissertations and Projects

In long-term athlete development, it is common to emphasize hypertrophic adaptations during the beginning training phases prior to focusing on strength and power performance. The purpose of this study was to compare the physiological, psychological, and performance differences between myo-reps (MYO) vs. traditional (TRAD) hypertrophy protocols in trained n=8 male subjects over eight weeks. Current literature suggests hypertrophy may be optimized through 3-6 sets of 6-12 repetitions at 60-80% of one-repetition maximum (IRM) with 1-3 minutes of rest per set. However, alternative hypertrophy protocols such as MYO are underexplored. This quantitative experimental study assessed MYO vs TRAD protocols on hypertrophy …


Physiological And Biomechanical Perspectives On Elbow Function During Forehand And Backhand Disc Golf Throws: A Novel Investigation, Lauren Rachelle Giles Dec 2024

Physiological And Biomechanical Perspectives On Elbow Function During Forehand And Backhand Disc Golf Throws: A Novel Investigation, Lauren Rachelle Giles

Doctoral Dissertations and Projects

Over 81% of players have reported injuries linked to disc golfing, predominantly due to overuse. Since disc golf originated, there is a lack of research on the proper biomechanics of the disc golf throw. This descriptive, quantitative study seeks to be the first. We investigated 6 females and 35 males, aged 21-66, registered to compete in disc golf. The goal was to examine the kinetic parameters of healthy disc golfers to identify biomechanics likely associated with safety. Research questions investigated whether there is a connection between lean body mass and disc distance traveled, elbow torque and disc distance, or grip …


The Value Of Using Validated Competency-Based Assessments Across The Career Span Of An Athletic Trainer, Matthew Drescher, Lindsey Eberman Jul 2024

The Value Of Using Validated Competency-Based Assessments Across The Career Span Of An Athletic Trainer, Matthew Drescher, Lindsey Eberman

Clinical Practice in Athletic Training

No abstract provided.


Perceptions And Use Of The Athletic Training Milestones In Education: A Report From The Aate Research Network, Cailee E. Welch Bacon, Barton E. Anderson, Julie M. Cavallario, Bonnie L. Van Lunen, Lindsey E. Eberman Jul 2024

Perceptions And Use Of The Athletic Training Milestones In Education: A Report From The Aate Research Network, Cailee E. Welch Bacon, Barton E. Anderson, Julie M. Cavallario, Bonnie L. Van Lunen, Lindsey E. Eberman

Clinical Practice in Athletic Training

The Athletic Training Milestones (AT Milestones) were developed as an evaluation tool to capture the breadth and depth of athletic training knowledge, skills, and behavior. However, it is unclear whether athletic training programs are implementing this tool or how they are implementing it to gauge the clinical progression of students or residents in athletic training. We aimed to explore the perceptions and use of the AT Milestones among educators in athletic training programs. We used a cross-sectional, web- based survey with open-ended questions to collect data from athletic training programs on if and how they implement the AT Milestones at …


Standardized Patient Evaluation Tool: A Valid Measure Of The Core Competencies, Lindsey E. Eberman, Jessica Edler Nye Jul 2024

Standardized Patient Evaluation Tool: A Valid Measure Of The Core Competencies, Lindsey E. Eberman, Jessica Edler Nye

Clinical Practice in Athletic Training

No abstract provided.


The Development, Implementation, And Value Of The Athletic Training Milestones For Assessing Progressive Clinical Behaviors, Hollie Walusz, Eric Sauers, Mark Laursen, Forrest Pecha Jul 2024

The Development, Implementation, And Value Of The Athletic Training Milestones For Assessing Progressive Clinical Behaviors, Hollie Walusz, Eric Sauers, Mark Laursen, Forrest Pecha

Clinical Practice in Athletic Training

No abstract provided.


Measuring Activity Demands On Fatigue In Individuals With Parkinson's Disease, Laura R. Mccray, Kara M. Lee Jul 2024

Measuring Activity Demands On Fatigue In Individuals With Parkinson's Disease, Laura R. Mccray, Kara M. Lee

Graduate Student Scholarship

The functional presentation of those with Parkinson's disease (PD) are complex, varying depending on cognition, physiological deficits, and support network. This study assesses the perceptions of fatigue across individuals with Parkinson's disease with different clinical presentations to guide clinicians in their selection of evidence-based interventions to facilitate greater functional outcomes. A mixed-methods design was used to collect data on the mental and physiological perceptions of fatigue, utilizing surveys and physiological measures such as heart rate. Participants were recruited from a community group targeting those with PD with inclusion criteria being a diagnosis of PD. Results for both heart rate and …


Exercise-Induced Myc As An Epigenetic Reprogramming Factor That Combats Skeletal Muscle Aging, Ronald G. Jones Iii, Ferdinand Von Walden, Kevin A. Murach Apr 2024

Exercise-Induced Myc As An Epigenetic Reprogramming Factor That Combats Skeletal Muscle Aging, Ronald G. Jones Iii, Ferdinand Von Walden, Kevin A. Murach

Health, Human Performance and Recreation Faculty Publications and Presentations

Of the “Yamanaka factors” Oct3/4, Sox2, Klf4, and c-Myc (OSKM), the transcription factor c-Myc (Myc) is the most responsive to exercise in skeletal muscle and is enriched within the muscle fiber. We hypothesize that the pulsatile induction of MYC protein after bouts of exercise can serve to epigenetically reprogram skeletal muscle toward a more resilient and functional state.


Attitudes And Self-Efficacy Of Swimming Coaches Towards The Inclusion Of Swimmers With Autism Spectrum Disorder, Eleftheria Kasagianni, Dimitrios Kokaridas, Panagiotis Varsamis, Vasilis Tsimaras Mar 2024

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 …


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 Mar 2024

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 Mar 2024

‘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, …


Lay Rescuer Equipment Preferences And Efficacy During A Simulated Drowning Event, Alison M. Miller, William D. Ramos, Kristina R. Anderson, Jill Cuvala Mar 2024

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 …


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 Mar 2024

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 …


Perceived And Real Water Competency And Drowning Risk Among Adults, Teresa Stanley, Kevin Moran, Dawn Garbett, Alan Ovens Mar 2024

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 …


Evaluating Drowning Prevention Campaigns - The Challenge Of Getting The Right Information To The Right People At The Right Time: A Response To Calverley, Petrass, And Blitvich, Gemma Crawford, Meg Abercromby, Malena Della Bona, Justine E. Leavy Ph.D. Mar 2024

Evaluating Drowning Prevention Campaigns - The Challenge Of Getting The Right Information To The Right People At The Right Time: A Response To Calverley, Petrass, And Blitvich, Gemma Crawford, Meg Abercromby, Malena Della Bona, Justine E. Leavy Ph.D.

International Journal of Aquatic Research and Education

Evidence-informed decision making requires timely and readily available research and evaluation for policy and practice. In the context of drowning prevention, evaluation of interventions in the grey and peer reviewed literature is relatively scarce. Lack of evidence and associated barriers to access limits the scope of knowledge translation efforts and the application of research outcomes to initiatives designed to prevent drowning. The paper, Alcohol Focused Drowning Prevention Campaigns: What Do We Know and What Should We Do Now? highlights a lack of specific evaluation for alcohol-focused drowning prevention campaigns. We offer insights as evaluators of a youth water safety program …


Microvascular Reactivity Is Greater Following Blood Flow Restriction Resistance Exercise Compared To Traditional Resistance Exercise, Michael R. Perlet, Evan L. Matthews Jan 2024

Microvascular Reactivity Is Greater Following Blood Flow Restriction Resistance Exercise Compared To Traditional Resistance Exercise, Michael R. Perlet, Evan L. Matthews

Research Data

Excel document of research data, statistical analysis, and graphs.


Swimming: A Great Decision And An Even Better Journey, Eva M. Hunnius Jan 2024

Swimming: A Great Decision And An Even Better Journey, Eva M. Hunnius

Emerging Writers

Swimming is loved, feared, and cherished by so many around the world. People love it because it gives them a sense of freedom and peace, while also receiving a great workout. Some may fear it because they do not know how to swim, or they feel like there are many dangers and risks to swimming. Others cherish it because it is the only sport they have ever known. In my case, swimming is one of the only things that has been with me since I was a little kid. This remains true for many athletes. In this discussion, I hope …


Novel Methods For Assessing Pulmonary And Cardio-Vascular Limitations To Aerobic Performance In Older And Younger Populations, Toni Haddad Jan 2024

Novel Methods For Assessing Pulmonary And Cardio-Vascular Limitations To Aerobic Performance In Older And Younger Populations, Toni Haddad

Theses: Doctorates and Masters

Around the world, life expectancy is increasing, the ageing population is growing, and maintaining quality of life at an older age currently represents a major global challenge. While ‘successful ageing’ relies on a variety of factors, aerobic performance and exercise capacity are key determinants and attenuating their decline is of the utmost importance. The decrease in maximal oxygen consumption is often considered as a major determinant explaining the age[1]related decline in aerobic performance. Yet, multiple physiological systems are impaired with ageing and their contribution to aerobic limitation in older individuals is unclear. Understanding how the limitations to aerobic performance may …