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Articles 1 - 30 of 83
Full-Text Articles in Kinesiology
The Role And Impact Of Student Leadership On Participants In A Healthy Eating And Physical Activity Programme, Lila Gutuskey, Nate Mccaughtry, Bo Shen, Erin Centeio, Alex Garn
The Role And Impact Of Student Leadership On Participants In A Healthy Eating And Physical Activity Programme, Lila Gutuskey, Nate Mccaughtry, Bo Shen, Erin Centeio, Alex Garn
Kinesiology, Health and Sport Studies
Objective: In the USA there are rising rates of obesity among children, at least in part due to unhealthy eating and physical inactivity. Implementing school-based health interventions with elementary school children focused on youth empowerment could lead to improved health environments and behaviours. The purpose of the present study was to examine elementary students’ perceptions of participating in a student-led school health improvement team. Empowerment theory guided the research, specifically the concept of including participants in programming to identify possible individual-level outcomes. Design: Qualitative research. Setting: One US elementary school formed a student-led school health improvement team, …
Associations Between Pqct-Based Fat And Muscle Area And Density And Dxa-Based Total And Leg Soft Tissue Mass In Healthy Women And Men, V. D. Sherk, R. S. Thiebaud, Z. Chen, Murat Karabulut, S. J. Kim, D. A. Bemben
Associations Between Pqct-Based Fat And Muscle Area And Density And Dxa-Based Total And Leg Soft Tissue Mass In Healthy Women And Men, V. D. Sherk, R. S. Thiebaud, Z. Chen, Murat Karabulut, S. J. Kim, D. A. Bemben
Health & Biomedical Sciences Faculty Publications and Presentations
Peripheral Quantitative Computed Tomography (pQCT) can be used for muscle and fat area and density assessments. These may independently influence muscle and fat mass measurements from Dual Energy X-ray Absorptiometry (DXA).
Objective
To determine associations between pQCT-derived soft tissue density and area measures and DXA-derived soft tissue mass.
Methods
Linear regression models were developed based on BMI and calf fat and muscle cross-sectional area (FCSA and MCSA) and density measured by pQCT in healthy women (n=76) and men (n=82) aged 20–59 years. Independent variables for these models were leg and total bone-free lean mass (BFLM) and fat mass (FM) measured …
Application Of The Transtheoretical Model: Assessing Exercise Behavior In African Americans In A Church-Based Setting, Robin Marie White
Application Of The Transtheoretical Model: Assessing Exercise Behavior In African Americans In A Church-Based Setting, Robin Marie White
UNLV Theses, Dissertations, Professional Papers, and Capstones
Sedentary behavior rates are higher among African-American men and women than in other American races and ethnicities, placing them at greater risk for chronic illness. Routine physical activity reduces the risk of chronic health problems such as: (a) overweight and obesity, (b) type 2 diabetes, (c) hypertension, (d) coronary artery disease, (e) stroke, (f) congestive heart failure, and (g) cancers. Assessment of African-Americans' exercise attitudes in a church-based setting may provide information with which to develop effective interventions to improve physical activity. This descriptive, cross-sectional study used components of the Transtheoretical Model (TTM) to assess whether any associations exist between …
Postural Sway And Brain Hemispheric Power Spectral Density Under Different Attentional Focus Conditions, Sharon Jalene
Postural Sway And Brain Hemispheric Power Spectral Density Under Different Attentional Focus Conditions, Sharon Jalene
UNLV Theses, Dissertations, Professional Papers, and Capstones
The purpose of this study was to determine the differences, if any, in the root mean square error (RMSE) of postural sway and hemispheric power spectral density (PSD) in the alpha and beta bands (8-12Hz and 12-25Hz) during different conditions of attentional focus (i.e., internal focus (IF), and external focus (EF) and a control condition (C)). Previous studies have shown that the adoption of IF and EF significantly alter motor performance and that EF promotes automaticity (Wulf, 2013). Sports performance and balance studies utilizing EEG spectral analyses report increased alpha oscillations during expert performance and stable balance and increased beta …
Psychosocial Factors In Sports Injury Rehabilitation And Return To Play, Leslie W. Podlog, John Heil, Stefanie Podlog (Nee Schulte)
Psychosocial Factors In Sports Injury Rehabilitation And Return To Play, Leslie W. Podlog, John Heil, Stefanie Podlog (Nee Schulte)
Athletic Training Collection
This article discusses the principles and practices that guide psychological intervention with injury, and encourages a psychological approach to injury for clinicians. Part 1 reviews the research literature, and serves as a foundation for the review of clinical practices in part 2. Examination of the research literature highlights 4 areas: (1) psychological factors influencing rehabilitation, (2) social factors affecting rehabilitation, (3) performance concerns among returning athletes, and (4) tools/inventories for assessing psychological readiness to return. A synopsis of an injury intervention plan is provided, and the influence of pain and fear in the rehabilitation process is described.
Practical Applications Of Biomechanical Principles In Resistance Training: Neuromuscular Factors And Relationships, Jason Lake, Paul A. Swinton, Justin Keogh
Practical Applications Of Biomechanical Principles In Resistance Training: Neuromuscular Factors And Relationships, Jason Lake, Paul A. Swinton, Justin Keogh
Justin Keogh
This paper is the second in our three part series examining how a variety of biomechanical principles and concepts have direct relevance to the prescription of resistance training for the general and athletic populations as well as for musculoskeletal injury rehabilitation. In this paper, we considered different neuromuscular characteristics of resistance exercise. We started by defining the causes of motion, discussing force and Newton’s second law of linear motion. This led to discussion of impulse, and how its relationship with momentum can be used to study force-time curves recorded from different ground-based resistance exercises. This enables the sports biomechanist to …
Comprehensive School Physical Activity Programs: Characteristics Of Trained Teachers, Erin E. Centeio, Heather Erwin, Darla M. Castelli
Comprehensive School Physical Activity Programs: Characteristics Of Trained Teachers, Erin E. Centeio, Heather Erwin, Darla M. Castelli
Kinesiology, Health and Sport Studies
As public health concerns about physical inactivity and childhood obesity continue to rise, researchers are calling for interventions that comprehensively lead to more opportunities to participate in physical activity (PA). The purpose of this study was to examine the characteristics and attitudes of trained physical education teachers during the implementation of a Comprehensive School Physical Activity Program at the elementary level. Using a collective case study design, interviews, observations, field notes, open-ended survey questions, and an online forum monitoring guided the interpretation of teacher perceptions and development of emergent themes. Qualitative data analysis was conducted for each individual teacher and …
Physical Activity Change Through Comprehensive School Physical Activity Programs In Urban Elementary Schools, Erin E. Centeio, Nate Mccaughtry, Lila Gutuskey, Alex C. Garn, Cheryl Somers, Bo Shen, Jeffry J. Martin, Noel L, Kulik
Physical Activity Change Through Comprehensive School Physical Activity Programs In Urban Elementary Schools, Erin E. Centeio, Nate Mccaughtry, Lila Gutuskey, Alex C. Garn, Cheryl Somers, Bo Shen, Jeffry J. Martin, Noel L, Kulik
Kinesiology, Health and Sport Studies
he impact of Comprehensive School Physical Activity Programs (CSPAPs) on urban children’s, educators’, and parents’ physical activity (PA) is relatively unknown. The purpose of this study was to explore overall changes in student, educator, and parent PA after an 8-month CSPAP-based program. This longitudinal, exploratory study implemented a CSPAP in 20 urban elementary schools, with six randomized for research. In-school PA was measured prepost for all fourth grade students using accelerometers. Parent and educator PA was self-reported using the IPAQ. RM-ANOVAs revealed significant prepost increases in minutes of student MVPA (P < .001). Parents significantly increased PA (P < .01) and although educators’ reported change in PA, it was not statistically significant (P = .50). This study provides unique …
Effects Of Yoga On Arm Volume Among Women With Breast Cancer Related Lymphedema: A Pilot Study, Mary Insana Fisher, Betsy Donahoe-Fillmore, Laura Leach, Colleen O'Malley, Cheryl Paeplow, Tess Prescott, Harold L. Merriman
Effects Of Yoga On Arm Volume Among Women With Breast Cancer Related Lymphedema: A Pilot Study, Mary Insana Fisher, Betsy Donahoe-Fillmore, Laura Leach, Colleen O'Malley, Cheryl Paeplow, Tess Prescott, Harold L. Merriman
Physical Therapy Faculty Publications
Lymphedema affects 3–58% of survivors of breast cancer and can result in upper extremity impairments. Exercise can be beneficial in managing lymphedema. Yoga practice has been minimally studied for its effects on breast cancer related lymphedema (BCRL). The purpose of this study was to determine the effect of yoga on arm volume, quality of life (QOL), self-reported arm function, and hand grip strength in women with BCRL. Six women with BCRL participated in modified Hatha yoga 3×/week for 8 weeks. Compression sleeves were worn during yoga sessions. Arm volume, QOL, self-reported arm function, and hand grip strength were measured at …
Effect Of Obesity And Exercise On The Expression Of The Novel Myokines, Myonectin And Fibronectin Type Iii Domain Containing 5, Jonathan M. Peterson, Ryan Mart, Cherie E. Bond
Effect Of Obesity And Exercise On The Expression Of The Novel Myokines, Myonectin And Fibronectin Type Iii Domain Containing 5, Jonathan M. Peterson, Ryan Mart, Cherie E. Bond
ETSU Faculty Works
Metabolic dysfunction in skeletal muscle is a major contributor to the development of type 2 diabetes. Endurance exercise training has long been established as an effective means to directly restore skeletal muscle glucose and lipid uptake and metabolism. However, in addition to the direct effects of skeletal muscle on glucose and lipids, there is renewed interest in the ability of skeletal muscle to coordinate metabolic activity of other tissues, such as adipose tissue and liver. The purpose of this study was to examine the effects of endurance exercise on the expression level of two novel muscle-derived secreted factors, or myokines, …
Using The Minority Stress Model To Understand Depression In Lesbian, Gay, Bisexual, And Transgender Individuals In Nebraska, Molly Mccarthy, Christopher M. Fisher, Jay A. Irwin, Jason D. Coleman, Aja D. Kneip Pelster
Using The Minority Stress Model To Understand Depression In Lesbian, Gay, Bisexual, And Transgender Individuals In Nebraska, Molly Mccarthy, Christopher M. Fisher, Jay A. Irwin, Jason D. Coleman, Aja D. Kneip Pelster
Sociology and Anthropology Faculty Publications
Previous studies demonstrated the utility of the minority stress model in understanding health disparities for lesbian, gay, bisexual, and transgender (LGBT) populations. Since most research has considered large metropolitan areas, predominantly in coastal regions of the United States, this research focuses on a midwestern state, Nebraska. This study sought to assess the relationships between depressive symptoms experienced by participants (N = 770) and minority stress variables, including experiences with violence, perceptions of discrimination, and respondents’ degree of self-acceptance of their LGBT identity. Regression analysis revealed that after controlling for demographic variables, self-acceptance, and perceived discrimination were correlated with depressive symptoms. …
Kir Channel Activation Contributes To Onset And Steady-State Exercise Hyperemia In Humans, Anne R. Crecelius, Gary J. Luckasen, Dennis G. Larson, Frank A. Dinenno
Kir Channel Activation Contributes To Onset And Steady-State Exercise Hyperemia In Humans, Anne R. Crecelius, Gary J. Luckasen, Dennis G. Larson, Frank A. Dinenno
Health and Sport Science Faculty Publications
We tested the hypothesis that activation of inwardly rectifying potassium (KIR) channels and Na+-K+-ATPase, two pathways that lead to hyperpolarization of vascular cells, contributes to both the onset and steady-state hyperemic response to exercise. We also determined whether after inhibiting these pathways nitric oxide (NO) and prostaglandins (PGs) are involved in the hyperemic response. Forearm blood flow (FBF; Doppler ultrasound) was determined during rhythmic handgrip exercise at 10% maximal voluntary contraction for 5 min in the following conditions: control [saline; trial 1 (T1)]; with combined inhibition of KIR channels and Na …
Kinetic Asymmetries During Submaximal And Maximal Speed Running, Devon H. Frayne
Kinetic Asymmetries During Submaximal And Maximal Speed Running, Devon H. Frayne
Masters Theses
An important issue for sports scientists, coaches and athletes is an understanding of the factors within a running stride that can enhance or limit maximal running speed. Previous research has identified many sprint-related parameters as potential kinetic limiters of maximal Center of Mass velocity (Chapman and Caldwell, 1983b; Weyand et al., 2001). Bilateral asymmetry is present for many of these parameters during running; however the degree to which such asymmetries change as running speed increases is unknown. It was hypothesized that asymmetries in key sprinting parameters would be larger at maximal speed than all other tested speeds. Kinematics and kinetics …
Global School-Based Childhood Obesity Interventions: A Review, Melinda J. Ickes, Jennifer Mcmullen, Taj Haider, Manoj Sharma
Global School-Based Childhood Obesity Interventions: A Review, Melinda J. Ickes, Jennifer Mcmullen, Taj Haider, Manoj Sharma
Kinesiology and Health Promotion Faculty Publications
Background: The issue of childhood overweight and obesity has become a global public health crisis. School-based interventions have been developed and implemented to combat this growing concern. The purpose of this review is to compare and contrast U.S. and international school-based obesity prevention interventions and highlight efficacious strategies.
Methods: A systematic literature review was conducted utilizing five relevant databases. Inclusion criteria were: (1) primary research; (2) overweight or obesity prevention interventions; (3) school-based; (4) studies published between 1 January 2002 through 31 December 2013; (5) published in the English language; (6) child-based interventions, which could include parents; and …
The Effects Of Oar-Shaft Stiffness And Length On Rowing Biomechanics, Brock Laschowski
The Effects Of Oar-Shaft Stiffness And Length On Rowing Biomechanics, Brock Laschowski
Electronic Thesis and Dissertation Repository
This work investigates the effects of oar-shaft stiffness and length on rowing biomechanics. The mechanical properties of the oar-shafts were examined using an end-loaded cantilever system, and theoretical relations were proposed between the mechanics of the oar-shafts and rowing performance. On-water experiments were subsequently conducted and rowing biomechanics measured via the PowerLine Rowing Instrumentation System. The PowerLine system measures force and oar angle on the oarlock, as well as proper boat acceleration. The convergent validity and test-retest reliability of the PowerLine force measurements were determined prior to the on-water experiments. Thereafter, rowers were tested over a set distance using oar-shafts …
Physical Activity In Individuals With Down Syndrome, Chelsea B. Spurgeon
Physical Activity In Individuals With Down Syndrome, Chelsea B. Spurgeon
Chancellor’s Honors Program Projects
No abstract provided.
Stride Length-Speed Relationship During Body Weight Supported Running, Carmen Chona
Stride Length-Speed Relationship During Body Weight Supported Running, Carmen Chona
UNLV Theses, Dissertations, Professional Papers, and Capstones
The purpose of this study was to determine if body weight support influences the stride length-speed relationship. Additionally, the purpose was to determine if impact characteristics of running are influenced by body weight support and speed. Subjects (n=10; 6 female, 4 male) volunteered to participate in this study. All subjects were injury free and were comfortable running on a treadmill for 30 minutes. Subjects ran on a lower body positive (LBPP, Alter-G, G-Trainer) treadmill for 4 conditions of body weight (100, 40, 30 and 20% of body weight) and 4 running speeds (100, 110, 120 and 130% of the preferred …
The Interrelationships Among A Concussion-Related Biomarker, Head Hits, And Impact Test In Collegiate Football Players, Lucas Bianco
The Interrelationships Among A Concussion-Related Biomarker, Head Hits, And Impact Test In Collegiate Football Players, Lucas Bianco
UNLV Theses, Dissertations, Professional Papers, and Capstones
Head injuries are prevalent in collegiate athletics with concussions being common among contact sports, such as football. Concussion assessment and diagnosis is complicated by the lack of objective and assessment techniques. The purpose of the study was to determine if there is a relationship between the level of a concussion-related biomarker, self-report (subjective) head hits, video-analyzed head hits, and ImPACT test scores in college football athletes before and after a football practice session.
After being recruited and consented to participate, 29 Division I college football athletes provided a blood sample via finger stick two days before a 2014 spring football …
An Evaluation Of Kinematic Variables During Stance Phase Of A Training Endurance Run, Joshua Paul Bailey
An Evaluation Of Kinematic Variables During Stance Phase Of A Training Endurance Run, Joshua Paul Bailey
UNLV Theses, Dissertations, Professional Papers, and Capstones
The purpose of the study was to evaluate kinematics of the lower extremity during the stance phase of an endurance training run. Fifteen participants (8 male, 7 female; 30.5 ± 8.4 years; 71.8 ± 11 kg; 1.73 ± 0.07 m) reported that they were currently signed up for, or planned on signing up for, an endurance race within the next six months of participation in the study (9 half marathon, 3 marathon, 1 triathlon, 2 21k trail run). All had a weekly running mileage greater than 20 miles (23.8 ±4.6 miles). Participants were required to complete the 15–kilometer training run …
The Percussionist Bodybuilder: Optimizing Performance Through Exercise And Nutrition, Anthony Joseph Merlino
The Percussionist Bodybuilder: Optimizing Performance Through Exercise And Nutrition, Anthony Joseph Merlino
UNLV Theses, Dissertations, Professional Papers, and Capstones
Do preventive therapies have the potential to help avoid common injuries among percussionists? This document investigates physiological therapy and nutrition in relation to percussion performance. My interest in this subject matter is derived from my personal experiences with injuries related to the performance of percussion. Although I have studied and played percussion professionally for more than a decade, I was unaware of certain methods of rehabilitation that were available to me prior to my injuries. As I learned about the rehabilitation process through first hand experience, I discovered that my injuries were very common among percussionists. This raised the question: …
The Wetsuit Effect: Physiological Response To Wearing A Wetsuit, Aaron Prado
The Wetsuit Effect: Physiological Response To Wearing A Wetsuit, Aaron Prado
UNLV Theses, Dissertations, Professional Papers, and Capstones
The purpose of this study was to investigate the effects of wearing a wetsuit on resting cardiovascular parameters (mean arterial pressure (MAP), rate-pressure product (RPP), and heart rate variability (HRV)). Furthermore, the position (i.e., upright vs. prone) as well as the wetsuit size were explored as possible factors that influence the cardiovascular parameters. Twelve male participants (79.1±5.1 kg, 178.4±2.9 cm, 33.3±12.1 years) granted written consent and were assigned two wetsuits based on height, weight, and corresponding manufacturer recommendations. SWS signified the smallest possible wetsuit the subject could fit into according to recommendations, LWS signified the largest wetsuit the subject could …
Quantitative Ultrasound: Measurement Considerations For The Assessment Of Muscular Dystrophy And Sarcopenia, Michael O. Harris-Love, Reza Monfaredi, Catheeja Ismail, Marc R. Blackman, Kevin Cleary
Quantitative Ultrasound: Measurement Considerations For The Assessment Of Muscular Dystrophy And Sarcopenia, Michael O. Harris-Love, Reza Monfaredi, Catheeja Ismail, Marc R. Blackman, Kevin Cleary
Exercise and Nutrition Sciences Faculty Publications
Diagnostic musculoskeletal ultrasound has potential clinical utility in characterizing pathological muscle tissue. Sonography has been long proposed as method of assessing muscle damage due to neuromuscular diseases such as muscular dystrophy, and more recently, changes in body and tissue composition associated with muscle wasting disorders such as sarcopenia. The use of quantitative ultrasound as an adjunct diagnostic procedure has different technical challenges than the traditional use of ultrasound in clinical medicine. Operator-dependent technique and variation are critical considerations when obtaining measures of echointensity (i.e., tissue composition estimates) and tissue dimensions (i.e., muscle thickness) – key elements of the ultrasound assessment …
Changes In Running Gait Parameters During A 161 Km Trail Race, Sarah Breen, Mitchell Stephenson, Randall L. Jensen, Scott Drum
Changes In Running Gait Parameters During A 161 Km Trail Race, Sarah Breen, Mitchell Stephenson, Randall L. Jensen, Scott Drum
Conference Presentations
No abstract provided.
Comparison Of Kinematics And Accuracy Of Overhand American Football Throwing, Cale Anderson, Sarah Breen, Randall L. Jensen
Comparison Of Kinematics And Accuracy Of Overhand American Football Throwing, Cale Anderson, Sarah Breen, Randall L. Jensen
Conference Presentations
No abstract provided.
African Elephants Change Gaits When Walking Downhill, Robert H.I. Dale, Robert Warren, Brock Ward, Eric Noble
African Elephants Change Gaits When Walking Downhill, Robert H.I. Dale, Robert Warren, Brock Ward, Eric Noble
Robert H. I. Dale
Abstract from the International Elephant and Rhino Conservation and Research Symposium, Rotterdam, NL, October 10-14, 2011.
Ampk Activation: A Therapeutic Target For Type 2 Diabetes?, Kimberly A. Coughlan, Rudy Valentine, Neil B. Ruderman, Asish K. Saha
Ampk Activation: A Therapeutic Target For Type 2 Diabetes?, Kimberly A. Coughlan, Rudy Valentine, Neil B. Ruderman, Asish K. Saha
Rudy Valentine
The Locomotor Kinematics Of Asian And African Elephants: Changes With Speed And Size, John R. Hutchinson, Delf Schwerda, Daniel J. Famini, Robert H.I. Dale, Martin S. Fischer, Rodger Kram
The Locomotor Kinematics Of Asian And African Elephants: Changes With Speed And Size, John R. Hutchinson, Delf Schwerda, Daniel J. Famini, Robert H.I. Dale, Martin S. Fischer, Rodger Kram
Robert H. I. Dale
For centuries, elephant locomotion has been a contentious and confusing challenge for locomotion scientists to understand, not only because of technical difficulties but also because elephant locomotion is in some ways atypical of more familiar quadrupedal gaits. We analyzed the locomotor kinematics of over 2400 strides from 14 African and 48 Asian elephant individuals (body mass 116-4632 kg) freely moving over ground at a 17-fold range of speeds, from slow walking at 0.40 m s-1 to the fastest reliably recorded speed for elephants, 6.8 m s-1. These data reveal that African and Asian elephants have some subtle differences in how …
Effectiveness Of A Football Over Helmet Padding System In Reducing Peak Acceleration Of The Head And Severity Index 2014, Nicole Cuccurullo
Effectiveness Of A Football Over Helmet Padding System In Reducing Peak Acceleration Of The Head And Severity Index 2014, Nicole Cuccurullo
Master's Theses
The purpose of this study was to determine if: (a) a football helmet equipped with the Guardian Cap meets the National Operating Committee on Standards for Athletic Equipment (NOCSAE) football helmet standards and (b) if the Severity Indexes and peak accelerations produced during the NOCSAE impact tests were smaller for a football helmet equipped with the Guardian Cap over-helmet padding system than for the same helmet without the Guardian Cap. A total of 54 drop impact tests were completed, 27 on the football helmet alone and 27 on the football helmet equipped with the Guardian Cap. Tests were completed on …
Neuropsychological Effects Of Interactive Physical And Cognitive Exercise: Increasing The Mental Challenge, Shannon Crowley
Neuropsychological Effects Of Interactive Physical And Cognitive Exercise: Increasing The Mental Challenge, Shannon Crowley
Honors Theses
In the past decade there has been a strong desire to implement more enjoyable, interactive video game experiences to enhance an individual’s exercise performance. In addition, virtual reality exercise has been utilized to create a more pleasurable experience for older adults suffering from dementia. Best (2012) defined exergaming as, “a new generation of video games that stimulate a more active, whole-body gaming experience.” A recent study found that exergaming, when compared to stationary biking, can improve cognition among the older population suffering from cognitive decline (Anderson-Hanley et al., 2012). In addition, working memory training also leads to a significant improvement …
Impact Shock Frequency Components And Attenuation In Rearfoot And Forefoot Running, Allison H. Gruber, Katherine A. Boyer, Timothy R. Derrick, Joseph Hamill
Impact Shock Frequency Components And Attenuation In Rearfoot And Forefoot Running, Allison H. Gruber, Katherine A. Boyer, Timothy R. Derrick, Joseph Hamill
Katherine A. Boyer
Background The forefoot running footfall pattern has been suggested to reduce the risk of developing running related overuse injuries due to a reduction of impact related variables compared with the rearfoot running footfall pattern. However, only time-domain impact variables have been compared between footfall patterns. The frequency content of the impact shock and the degree to which it is attenuated may be of greater importance for injury risk and prevention than time-domain variables. Therefore, the purpose of this study was to determine the differences in head and tibial acceleration signal power and shock attenuation between rearfoot and forefoot running. Methods …