Digital Commons Network^™

Physical Activity Preference And Participation In Middle School Age Students In Kentucky, Fabian Correia

Theses and Dissertations--Kinesiology and Health Promotion

Physical activity (PA) in youth is significant as it begins to lay the fountain for a healthier lifestyle as children age. The benefits of being regularly physically active are plentiful as it improves muscle strength, cardiovascular, fitness, and cognitive functions (Rodgers, 2008). However, oftentimes in physical education classes, the voice of the student tends to go unheard. The purpose of this study was to determine how the perception or preference to be physically active differs by age, gender, and/or ethnicity in a middle school setting. The goal of this study is to shed ligt on how building a more inclusive …

Examination Of Physiological And Perceptual Responses During Sustained, Isometric, Fatiguing, Handgrip Exercise Anchored To Ratings Of Perceived Exertion, Minyoung Kwak

Theses and Dissertations--Kinesiology and Health Promotion

The purposes of this study were to: 1) Examine the patterns of force responses relative to critical force (CF) during submaximal, fatiguing, isometric handgrip exercise anchored to different rating of perceived exertion (RPE) levels (RPE=3, 5, and 7); 2) assess the loss of force during the task and the level of performance fatigability after each RPE hold; 3) examine the time course of changes and patterns of neuromuscular [electromyography (EMG) amplitude (AMP), mean power frequency (MPF), mechanomyography (MMG) AMP and MPF, and neuromuscular efficiency (NME) (i.e. force/EMG AMP)] and muscle oxygen saturation (% SmO₂) responses during each RPE …

Effect Of Sleep Restriction On Quadriceps’ Strength And Voluntary Activation, Scott Sigrist

Theses and Dissertations--Kinesiology and Health Promotion

Background: As little as three nights of sleep restriction reduces muscle strength. More than one-third of Americans are chronically sleep restricted (< 7.0 hours/night) and are at risk of muscle weakness (dynapenia). Presently, the mechanistic cause of sleep restriction-induced dynapenia (SRID) has not been elucidated. Rapid changes in muscle strength are typically driven by short-term changes in muscle contractility or voluntary recruitment. The purpose of this study was to investigate how sleep restriction affects muscle contractile function and voluntary recruitment. Methods: A sample of 12 subjects (age 24.8 ± 2.6y) underwent isometric and isokinetic knee extensor muscle testing following 3d of adequate sleep (SA; 8.05 ± 0.45h), 3 d of sleep restriction (SR; 5.02 ± 0.05h), and 7d of washout (WO, 8.27 ± 0.50). The morning (7-11a local time) following the last day of each sleep period, subjects performed muscle strength testing using an isokinetic dynamometer. Subjects sat upright with the dominant leg secured at 60⁰ of knee flexion to optimize maximal quadriceps torque. They then performed 3 maximal voluntary isometric contractions (MVICs) of the quadriceps. Then subjects performed 6 submaximal contractions at 15, 30, 45, 60, 75, and 90% of the greatest MVIC. Next, subjects completed an interpolated twitch experiment while on the isokinetic dynamometer to assess voluntary activation. Finally, subjects completed 5 repetitions of isometric contractions, in descending order, at speeds of 300, 240, 180, 120, and 60 degree/s. From these methods we measured the highest MVIC, calculated the voluntary activation (VA), measured twitch properties, and compared the torque-EMG relationship. One-way repeated measures ANOVA were used to compare sleep, MVIC, and VA values, two-way (time x twitch property) repeated measures ANOVA was used to compare twitch properties and the torque-EMG relationship. Results: MVIC torque decreased following SR compared to SA before and after sleep restriction (SA: 217.1 ± 69.4 Nm vs. SR: 199.4 ± 67.1 Nm, p = 0.032). MVIC after WO (219.2 ± 54.2 Nm) was significantly greater than SR (p = 0.018) but was not significantly different from SA (p = 0.991). Although peak isokinetic torque decreased with increasing velocity (p < 0.001), there was no significant effect of sleep or sleep x speed interaction. Peak twitch torque and rate of torque
development, but not relaxation rate, were significantly greater in the potentiated state, but no significant effect of sleep or sleep x time interaction was noted. Sleep 3 condition did not significantly affect voluntary activation (SA: 86.3 ± 11.1% v. SR:86.6 ± 11.9% v. WO 87.7 ± 11.1%; p = 0.695). The torque output at various levels ofelectromyography (EMG) activity was not significantly different among sleep conditions (p = 0.383). The mean power frequency (MPF) of the VL was …

Responses To Exercise Anchored To Vigorous Intensity Heart Rates, Djadmann Gustave

Theses and Dissertations--Kinesiology and Health Promotion

Exercise prescription to improve cardiorespiratory endurance (CE) is often based on percentages of the reserve or maximum heart rate (HR_peak) or oxygen consumption rate (V̇O_2peak)that reflect vigorous intensities (77-95% HR_peak, 64-90% V̇O_2peak). These intensities elicit a rating of perceived exertion [RPE] response between 14-17 on the 6-20 Borg Scale. It is recommended that exercise within these ranges be sustained for 20-60min per session. The purposes of this study were to: 1) Determine the metabolic (V̇O₂) and perceptual (RPE) responses as well as the sustainability of exercise (time to exhaustion [T …

The Effect Of Physical Activity Courses On The Motivation For Physical Activity In College Students: A Scoping Review, Erica Fauste Waizenhofer Hill

Theses and Dissertations--Kinesiology and Health Promotion

The lack of physical activity and exercise participation has been an ongoing
problem for young adults aged 18-24. Universities and colleges worldwide offer a variety of required and elective physical activity courses for college credit to increase active participation in lifelong healthy lifestyles. This scoping review collected studies on college students’ motivation to participate in physical activity. The courses were taught using methods based on motivational theories. The authors of the studies collected information from the students before and after the classes to gather data on the theoretical framework’s effect on the students, if any. This review compiles this information, …

Methodolocical Concerns Of Using Global Positioning System Technology To Assess American Football Competition Demands, Tyler Lindon

Theses and Dissertations--Kinesiology and Health Promotion

Despite its popularity, there is a lack of research describing the physical demands of American Football. This is surprising when considering the popularity of the use of global positioning systems (GPS) within this specific sporting environment. The aim of the present study was to utilize a novel methodology to describe the physical demands of American football players by play type (run vs. pass) using a play-by-play analysis of global positioning system (GPS) outcomes. Fifty Division I collegiate American football players (Age: 19.8 ± 1.1 yr, Height: 189.3 ± 4.4 cm, Body mass: 86.1 ± 5.8 kg) wore portable GPS monitors …

Reliability And Validity Of A Commercial Running Power Meter To Indicate Metabolic Workload During Endurance Running, James Harris Hudgins Iii

Theses and Dissertations--Kinesiology and Health Promotion

Commercial running power (RP) meters may provide endurance runners and coaches with improved precision for monitoring running intensity. Cyclists rely upon the relationship between cycling power and metabolic demand to regulate physiological intensity during training and racing, independent of changes in the physical environment (e.g., terrain, wind). Research demonstrates strong reliability and validity for a specific RP meter to indicate metabolic demand within controlled running conditions. However, several potential influences on this relationship have not been investigated. Therefore, four studies were conducted with the following aims:

- Study 1: Determine the inter-limb reliability and validity of a single-limb-based RP meter …

Doing The Work: Using Questions, Tasks, And Sources To Navigate Teaching Contentious Social Studies In Secondary Classrooms, Bonnie Patrice Lewis

Theses and Dissertations--Education Sciences

This explanatory case study examines how two secondary social studies teachers use inquiry-based learning to mitigate the risks of teaching contentious social studies in a charged classroom. Research questions included: 1. How do two in-service secondary teachers use inquiry-based instruction to navigate teaching contentious social studies during charged times? 2. What curricular and pedagogical choices were made by the in-service teachers to navigate risk when designing inquiry-based instruction that features contentious social studies during charged times? 3. What curricular and pedagogical choices were made by the in-service teachers to navigate risk when delivering inquiry-based instruction that features contentious social studies …

High School Student Perceptions Of Positive Behavior Interventions And Supports, Candice Conley

Theses and Dissertations--Education Sciences

This case study examines student voice and their interpretations of the Positive Behavior Interventions and Supports (PBIS) framework used in one Kentucky high school. Qualitative interview data from high school student focus groups was analyzed using grounded theory to develop themes related to PBIS implementation.

Using open and axial coding, themes were developed from common student interpretations of PBIS within focus groups. Participants discussed a variety of positive techniques teachers use inside the classroom and responses to student behavior. Reward systems were discussed, but more importantly students offered suggestions of interventions and supports to offer at school. When asked to …

Development And Validity Inquiry Of A Rubric For Interdisciplinary Competencies In Occupational Safety And Health In Capstone Projects Of Carerc Program Graduates, Olumuyiwa Moses Desmennu

Theses and Dissertations--Education Sciences

Emerging demands in the field of interdisciplinary studies reveal a need for competent professionals who can apply their skills and experience to solving complex tasks of the workplace. This has placed inevitable demands on training institutions to adequately equip graduates to deliver on their mandate. Competency appraisal is an effective way to ensure proficiency in graduates. Meanwhile, transparent and valid rubrics provide opportunities for both students and trainers to continuously assess and evaluate the transfer of necessary skills.

This study focused on evaluating interdisciplinary competencies in Occupational Safety and Health (OSH) in the capstone projects of the CARERC program, a …

The Moral Imperative To Include More Women In Leadership Within Institutions Of Higher Education, Kathryn Mattingly Flynn

Theses and Dissertations--Educational Policy Studies and Evaluation

In higher education, women’s trajectory into leadership positions is not equitable to men’s. The concerns with the scarcity of women in leadership positions, specifically deans, provosts, presidents, and board members, involve varying levels of gender biases, norms, and stereotypes, as well as expectations of representation. Gender biases and stereotypes remain ingrained in American societal structures and result in immoral consequences, injustice for colleges and universities, and diminished happiness of the participants within them. I will use philosophical inquiry to argue that greater representation of women in the leadership of higher education would lead to morally better outcomes for institutions and …

Wha Up Bruh, You Good: A Critical Analysis Of Mentoring Programs For African American Males In Community College, Taran Landell Mczee

Theses and Dissertations--Educational Policy Studies and Evaluation

This qualitative case study used a phenomenological research approach to explore the lived experiences of African American male community college students who participate in mentoring programs. Mentoring programs for African American males in higher education have been implemented to help improve retention, academic performance in the classroom, sense of self, intention to complete, and graduation rates (LaVant et al., 1997). Critical race theory (CRT) informed the use of qualitative interview methods to represent the lived experiences of the participants and to elevate the knowledge of young African American men in research on higher education mentoring programs. Research participants were 8 …

An Exploration Of Athlete Thoughts And Perceptions Of Cohesion In Coacting Sports, Jared Scott Hrabcak

Theses and Dissertations--Kinesiology and Health Promotion

Cohesion is a central element in group dynamics that contributes to a team’s functioning and performance. Most of the cohesion research to date has focused on the dynamic within interacting sport teams (i.e., football, basketball, soccer) but has looked past coacting teams (i.e., golf, tennis, cross-country running). While interacting sports command worldwide popularity, a significant portion of student athletes compete in coacting sports and represent the bulk of NCAA affiliated participants on the world stage at the Olympics. Thus, with such status on the world stage of competition, the investigation of coacting sports is justified. Therefore, the purpose of this …

A Statewide Network’S Impact On School Leaders’ Self-Efficacy For Transformational School Change, Karen Perry

Theses and Dissertations--Curriculum and Instruction

Changing educational practice is widely understood to be a challenging endeavor, even for experienced school leaders. Much of the research on school networks focuses on building teacher capacity for improving student performance, but less evidence exists relating to increasing school leaders’ self-efficacy, specifically for the purpose of transformational school change. Building on the body of research of school networks and leaders’ self-efficacy, this mixed methods participatory action research study investigates how a network, facilitated by university faculty, impacts the leadership self-efficacy of high school principals for the purpose of leading transformational school change. Self- efficacy is both malleable and essential …

Transplanted Appalachians’ Perspectives Of Culturally Relevant Topics/Texts And How These Topics/Texts Aid In Their Reading Comprehension, Kathryn E. H. Smith

Theses and Dissertations--Curriculum and Instruction

The purpose of this research study was to understand Transplanted Appalachians’ perspectives of culturally relevant topics/texts and how these topics/texts aid in their reading comprehension. This culturally relevant study was framed using Vygotsky’s (1978) sociocultural theory, Barton and Hamilton’s (1998) literacy as a social practice, and Rosenblatt’s (1994) transactional theory. Research participants included five transplanted Appalachian adults from the Central Appalachian Region. The research methods included one introductory interview, four think-alouds, four post think-aloud interviews, and four Cultural Relevance Rubrics. Results from the data sources revealed the participants strongly related to six cultural themes including: community, authentic Appalachian experiences (e.g., …

Hydrogen Deuterium Exchange And Other Mass Spectrometry-Based Approaches For Epitope Mapping, Prashant N Jethva, Michael L Gross

2020-Current year OA Pubs

Antigen-antibody interactions are a fundamental subset of protein-protein interactions responsible for the "survival of the fittest". Determining the interacting interface of the antigen, called an epitope, and that on the antibody, called a paratope, is crucial to antibody development. Because each antigen presents multiple epitopes (unique footprints), sophisticated approaches are required to determine the target region for a given antibody. Although X-ray crystallography, Cryo-EM, and nuclear magnetic resonance can provide atomic details of an epitope, they are often laborious, poor in throughput, and insensitive. Mass spectrometry-based approaches offer rapid turnaround, intermediate structural resolution, and virtually no size limit for the …

Intersections Of Disproportion: A Critical Quantitative Examination Of Dis/Ability And Gender In Black Students’ School Discipline Outcomes, Ceema Samimi, Noah Jefferson, Shelby Flanagan, Yolanda Anyon

Faculty Research, Scholarly, and Creative Activity

This study uses critical race quantitative intersectionality to examine the impacts of gender and dis/ability type on Black students’ school discipline outcomes. We use multilevel logistic regression models to analyze data from a large urban school district, considering the intersectional impact of gender and dis/ability type on school discipline outcomes among Black students (suspension, restorative justice, referral to law enforcement). We found that Black students identified as male, labeled with emotional dis/abilities, or identified as having ADHD were more likely to experience school discipline consequences than those who were not. These findings suggest that gender and dis/ability status are significant …

The Future Of Mobility-As-A-Service: Trust Transfer Across Automated Mobilities, From Road To Sidewalk, Jacob G. Hunter, Elise Ulwelling, Matthew Konishi, Noah Michelini, Akhil Modali, Anne Mendoza, Jessie Snyder, Shashank Mehrotra, Zhaobo Zheng, Anil R. Kumar, Kumar Akash, Teruhisa Misu, Neera Jain, Tahira Reid

Faculty Research, Scholarly, and Creative Activity

While trust in different types of automated vehicles has been a major focus for researchers and vehicle manufacturers, few studies have explored how people trust automated vehicles that are not cars, nor how their trust may transfer across different mobilities enabled with automation. To address this objective, a dual mobility study was designed to measure how trust in an automated vehicle with a familiar form factor—a car—compares to, and influences, trust in a novel automated vehicle—termed sidewalk mobility. A mixed-method approach involving both surveys and a semi-structured interview was used to characterize trust in these automated mobilities. Results found that …

Beta Cortical Oscillatory Activities And Their Relationship To Postural Control In A Standing Balance Demanding Test: Influence Of Aging, Yang Hu, Steven J. Petruzzello, Manuel E. Hernandez

Faculty Research, Scholarly, and Creative Activity

Background: Age-related changes in the cortical control of standing balance may provide a modifiable mechanism underlying falls in older adults. Thus, this study examined the cortical response to sensory and mechanical perturbations in older adults while standing and examined the relationship between cortical activation and postural control. Methods: A cohort of community dwelling young (18–30 years, N = 10) and older adults (65–85 years, N = 11) performed the sensory organization test (SOT), motor control test (MCT), and adaptation test (ADT) while high-density electroencephalography (EEG) and center of pressure (COP) data were recorded in this cross-sectional study. Linear mixed models …

Network Anatomy In Logopenic Variant Of Primary Progressive Aphasia, Maria Luisa Mandelli, Diego L. Lorca-Puls, Sladjana Lukic, Maxime Montembeault, Andrea Gajardo-Vidal, Abigail Licata, Aaron Scheffler, Giovanni Battistella, Stephanie M. Grasso, Rian Bogley, Buddhika M. Ratnasiri, Renaud La Joie, Nidhi S. Mundada, Eduardo Europa, Gil Rabinovici, Bruce L. Miller, Jessica De Leon, Maya L. Henry, Zachary Miller, Maria Luisa Gorno-Tempini

Faculty Research, Scholarly, and Creative Activity

The logopenic variant of primary progressive aphasia (lvPPA) is a neurodegenerative syndrome characterized linguistically by gradual loss of repetition and naming skills resulting from left posterior temporal and inferior parietal atrophy. Here, we sought to identify which specific cortical loci are initially targeted by the disease (epicenters) and investigate whether atrophy spreads through predetermined networks. First, we used cross-sectional structural MRI data from individuals with lvPPA to define putative disease epicenters using a surface-based approach paired with an anatomically fine-grained parcellation of the cortical surface (i.e., HCP-MMP1.0 atlas). Second, we combined cross-sectional functional MRI data from healthy controls and longitudinal …

Low-Density Star Cluster Formation: Discovery Of A Young Faint Fuzzy On The Outskirts Of The Low-Mass Spiral Galaxy Ngc 247, Aaron J. Romanowsky, Søren S. Larsen, Alexa Villaume, Jeffrey L. Carlin, Joachim Janz, David J. Sand, Jay Strader, Jean P. Brodie, Sukanya Chakrabarti, Chloe M. Cheng, Denija Crnojević, Duncan A. Forbes, Christopher T. Garling, Jonathan R. Hargis, Ananthan Karunakaran, Ignacio Martín-Navarro, Knut A.G. Olsen, Nicole Rider, Bitha Salimkumar, For Full Author List, See Comments Below

Faculty Research, Scholarly, and Creative Activity

The classical globular clusters found in all galaxy types have half-light radii of rh ~2-4 pc, which have been tied to formation in the dense cores of giant molecular clouds. Some old star clusters have larger sizes, and it is unclear if these represent a fundamentally different mode of low-density star cluster formation. We report the discovery of a rare, young 'faint fuzzy' star cluster, NGC 247-SC1, on the outskirts of the low-mass spiral galaxy NGC 247 in the nearby Sculptor group, and measure its radial velocity using Keck spectroscopy. We use Hubble Space Telescope imaging to measure the cluster …

Maximizing External Action With Information Provision Over Multiple Rounds In Online Social Networks, Masaaki Miyashita, Norihiko Shinomiya, Daisuke Kasamatsu, Genya Ishigaki

Faculty Research, Scholarly, and Creative Activity

Online social networks have increased their impact on the real world, which motivates information senders to control the propagation process of information to promote particular actions of online users. However, the existing works on information provisioning seem to oversimplify the users? decision-making process that involves information reception, internal actions of social networks, and external actions of social networks. In particular, characterizing the best practices of information provisioning that promotes the users? external actions is a complex task due to the complexity of the propagation process in OSNs, even when the variation of information is limited. Therefore, we propose a new …

Strategic Subdelegation, Brian D. Feinstein, Jennifer Nou

Coase-Sandor Institute for Law & Economics Research Paper Series

Appointed leaders of administrative agencies routinely record subdelegations of governmental authority to civil servants. That appointees willingly cede authority in this way presents a puzzle, at least at first glance: Why do these appointees assign their power to civil servants insulated by merit protection laws, that is, to employees over whom they have limited control? This article develops and tests a theory to explain this behavior. Using original data on appointee-to-civil servant delegations and a measure of the ideological distance between these two groups of actors, we show that appointees are more willing to vest power in civil servants when …

Fintech Adoption Dynamics In A Pandemic: An Experience From Some Financial Institutions In Nigeria During Covid-19 Using Machine Learning Approach, Onome Christopher Edo, Egbe Etu Etu, Imokhai Tenebe, Oluwarotimi Samuel Oladele, Solomon Edo, Oladapo Ayodeji Diekola, Joshua Emakhu

Faculty Research, Scholarly, and Creative Activity

The novel coronavirus caused a lifestyle shift, and the acceptance of offsite financial transactions is still a case for financial technology (fintech). Mobile financial transactions continue to be at an all-time low, and financial institutions are developing approaches for financial digitalization acceptability. The present study attempts to understand users’ motivations for fintech adoption. The technology acceptance model (TAM) and the unified theory of acceptance and use of technology (UTUAT) were utilized to uncover the rationale behind technology adoption. This study explored the drivers inhibiting the adoption of financial technology in Nigeria during the pandemic. A machine learning (ML) approach was …

Never Lose Your Ecg: A Novel Key Generation And Authentication Scheme For Implantable Medical Devices, Nima Karimian, Gokay Saldamli, Younghee Park, Victor Lui

Faculty Research, Scholarly, and Creative Activity

Implantable medical devices, such as pacemakers, cardiac defibrillators, and insulin pumps, play a crucial role in monitoring patients' vital signs within healthcare systems. However, these networked devices are susceptible to external attacks and breaches of trust, hindering the potential innovation and social benefits of eHealth services. To address these concerns, we propose a novel ECG-based key generation scheme and blockchain-based authentication protocol to build a trustworthy healthcare service under any situation. The key will be extracted in a single heartbeat using fiducial features. Compared with the existing works, the proposed key generation achieves the most efficient and secure method by …

2d-3d Facial Image Analysis For Identification Of Facial Features Using Machine Learning Algorithms With Hyper-Parameter Optimization For Forensics Applications, Gangothri Sanil, Krishna Prakash, Srikanth Prabhu, Vinod C. Nayak, Saptarshi Sengupta

Faculty Research, Scholarly, and Creative Activity

Recognizing a face is a remarkable process that humans naturally use. Computer vision has tried to resemble this ability of human vision as a biometric tool to identify humans. Commercial and law enforcement applications are increasingly using face recognition technology to identify people. Currently, it is one of the most sought-after detection methods used in forensics for criminal identification purposes. Owing to similarities in the appearance of certain faces, especially in criminal cases, this problem poses a great challenge in forensic investigation and detection. The novelty of this work lies in the development of a framework for face recognition using …

A Step-By-Step Hhl Algorithm Walkthrough To Enhance Understanding Of Critical Quantum Computing Concepts, Anika Zaman, Hector Jose Morrell, Hiu Yung Wong

Faculty Research, Scholarly, and Creative Activity

After learning basic quantum computing concepts, it is desirable to reinforce the learning using an important and relatively complex algorithm through which students can observe and appreciate how qubits evolve and interact with each other. Harrow-Hassidim-Lloyd (HHL) quantum algorithm, which can solve linear system problems with exponential speed-up over the classical method and is the basis of many important quantum computing algorithms, is used to serve this purpose. The HHL algorithm is explained analytically followed by a 4-qubit numerical example in bra-ket notation. Matlab code corresponding to the numerical example is available for students to gain a deeper understanding of …

A Three-Dimensional Cfd Analysis For The Hydrodynamics Of The Direct Contact Heat Transfer In The Oxygen Production Slurry Bubble Column Reactor Of The Cu-Cl Cycle Of Hydrogen Production, Nibras Ibrahim Nassar

Theses

Hydrogen is becoming an increasingly attractive alternative fuel. As such it is important to investigate different methods of hydrogen production. This thesis examines the thermochemical process of splitting water using the three stage CuCl Cycle. In particular it examines the hydrodynamics of a direct heat contact, CuCl’s oxygen reactor for a two-phase system, using a three dimensional, Eulerian-Eulerian Computational Fluid Dynamics (CFD) model. The model was first verified using experimental results and compared to a two-dimensional CFD model by examining the gas holdup (αg) using a Helium-Water-Alumina system for different reactor heights (H) (45,55,65 cm), different superficial gas velocities (Ugs) …

“Chalking Up A Victory For Deal Certainty”: Chancery Court Reinforces High Bar To Establishing “Mae” In Connection With Impact Of Covid-19, Robert S. Reder

Vanderbilt Law Review

No abstract provided.

Phonological Decoding Skill In Braille Readers: Implications For Dyslexia, Lindsay N. Harris, Luis E. Lopez, Ailing Li, Alecia Santuzzi

CISLL Publications

Highly developed phonological decoding ability is essential for leveraging the phonological decoding self-teaching loop to efficiently build a reading lexicon. In the present study we compared the phonological decoding abilities of blind braille-reading (n = 29) and sighted print-reading (n = 22) adults to investigate the possibility that braille’s complexity reduces instances of successful decoding and self-teaching. Such a disturbance of the learning loop would amplify any underlying cognitive deficits in braille readers and contribute to the high rates of learning disability diagnosis observed in blind children. Contrary to expectations, we found that braille readers had a higher …