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Articles 1081 - 1103 of 1103
Full-Text Articles in Sports Sciences
Interleukin Expression After Injury And The Effects Of Interleukin-1 Receptor Antagonist, Connie S. Chamberlain, Ellen M. Leiferman, Kayt E. Frisch, Stacey L. Brickson, William L. Murphy, Geoffrey S. Baer
Interleukin Expression After Injury And The Effects Of Interleukin-1 Receptor Antagonist, Connie S. Chamberlain, Ellen M. Leiferman, Kayt E. Frisch, Stacey L. Brickson, William L. Murphy, Geoffrey S. Baer
Faculty Publications - Biomedical, Mechanical, and Civil Engineering
Ligament and tendon repair involves a complex series of coordinated events orchestrated by various cell types, cytokines and other factors. The repair process extends months to years and results in scar tissue mechanically inferior to native tissue. This is in clear contrast to tissue "regeneration" which would recapitulate the native tissue. Numerous approaches to stimulate a regenerative scenario have been attempted, including tissue-engineering, non-steroidal anti-inflammatories, ultrasonic, or electrical stimulation, but none have resulted in complete regeneration. In pursuit of a more regenerative outcome, it is important to understand the fundamentals of the normal healing process. Previous work from our lab …
Vitamin D And The Athlete: Risks, Recommendations, And Benefits, Dana Ogan, Kelly Pritchett
Vitamin D And The Athlete: Risks, Recommendations, And Benefits, Dana Ogan, Kelly Pritchett
All Faculty Scholarship for the College of the Sciences
Vitamin D is well known for its role in calcium regulation and bone health, but emerging literature tells of vitamin D’s central role in other vital body processes, such as: signaling gene response, protein synthesis, hormone synthesis, immune response, plus, cell turnover and regeneration. The discovery of the vitamin D receptor within the muscle suggested a significant role for vitamin D in muscle tissue function. This discovery led researchers to question the impact that vitamin D deficiency could have on athletic performance and injury. With over 77% of the general population considered vitamin D insufficient, it’s likely that many athletes …
Effect Of Traumatic Brain Injury Among U.S. Servicemembers With Amputation, Mitchell J. Rauh, Hilary J. Aralis, Ted Melcer, Caroline A. Macera, Pinata Sessoms, Jamie Bartlett, Michael R. Galarneau
Effect Of Traumatic Brain Injury Among U.S. Servicemembers With Amputation, Mitchell J. Rauh, Hilary J. Aralis, Ted Melcer, Caroline A. Macera, Pinata Sessoms, Jamie Bartlett, Michael R. Galarneau
Kinesiology & Sport Management Scholarship
Servicemembers with combat-related limb loss often require substantial rehabilitative care. The prevalence of traumatic brain injury (TBI), which may impair cognitive and functional abilities, among servicemembers has increased. The primary objectives of this study were to determine the frequency of TBI among servicemembers with traumatic amputation and examine whether TBI status was associated with discharge to civilian status and medical and rehabilitative service use postamputation. U.S. servicemembers who had a combat-related amputation while deployed in Iraq or Afghanistan between 2001 and 2006 were followed for 2 yr postamputation. Data collected includes injury mechanism; postinjury complications; Injury Severity Score (ISS); and …
Comparison Of Glucose Monitoring Methods During Steady-State Exercise In Women, Stefanie J. Herrington, David L. Gee, Shireen D. Dow, Keith A. Monosky, Erika Davis, Kelly Pritchett
Comparison Of Glucose Monitoring Methods During Steady-State Exercise In Women, Stefanie J. Herrington, David L. Gee, Shireen D. Dow, Keith A. Monosky, Erika Davis, Kelly Pritchett
All Faculty Scholarship for the College of the Sciences
Data from Continuous Glucose Monitoring (CGM) systems may help improve overall daily glycemia; however, the accuracy of CGM during exercise remains questionable. The objective of this single group experimental study was to compare CGM-estimated values to venous plasma glucose (VPG) and capillary plasma glucose (CPG) during steady-state exercise. Twelve recreationally active females without diabetes (aged 21.8 ± 2.4 years), from Central Washington University completed the study. CGM is used by individuals with diabetes, however the purpose of this study was to first validate the use of this device during exercise for anyone. Data were collected between November 2009 and April …
Quantification Of Collagen Organization Using Fractal Dimensions And Fourier Transforms, Kayt E. Frisch, Sarah E. Duenwald-Kuehl, Hirohito Kobayashi, Connie S. Chamberlain, Roderic S. Lakes, Ray Vanderby Jr.
Quantification Of Collagen Organization Using Fractal Dimensions And Fourier Transforms, Kayt E. Frisch, Sarah E. Duenwald-Kuehl, Hirohito Kobayashi, Connie S. Chamberlain, Roderic S. Lakes, Ray Vanderby Jr.
Faculty Publications - Biomedical, Mechanical, and Civil Engineering
Collagen fibers and fibrils that comprise tendons and ligaments are disrupted or damaged during injury. Fibrillogenesis during healing produces a matrix that is initially quite disorganized, but remodels over time to resemble, but not replicate, the original roughly parallel microstructure. Quantification of these changes is traditionally a laborious and subjective task. In this work we applied two automated techniques, fast Fourier transformation (FFT) and fractal dimension analysis (FA) to quantify the organization of collagen fibers or fibrils. Using multi-photon images of collagen fibers obtained from rat ligament we showed that for healing ligaments, FA differentiates more clearly between the different …
Force Output Comparison Between Six U.S. Collegiate Athletic Teams., Caleb D. Bazyler, George Beckham, Howard Gray, Guy Hornsby, Ashley A. Kavanaugh, Christopher Macdonald, Satoshi Mizuguchi, Michael H. Stone, Michael H. Stone
Force Output Comparison Between Six U.S. Collegiate Athletic Teams., Caleb D. Bazyler, George Beckham, Howard Gray, Guy Hornsby, Ashley A. Kavanaugh, Christopher Macdonald, Satoshi Mizuguchi, Michael H. Stone, Michael H. Stone
ETSU Faculty Works
The aim of the study was to compare allometrically scaled peak force and the force at 250 ms between six U.S. collegiate sport teams using isometric mid-thigh pull. Ninety subjects performed maximum effort of isometric mid-thigh pull to measure force output. The data were averaged within the teams, and statistically compared between teams using one-way ANOVA (p=.01). Significant difference was found that men’s soccer and baseball produced higher allometrically scaled peak force, and men’s soccer, tennis, and baseball produced higher allometrically scaled force at 250 ms. The data indicates that not all sports possess similar strength characteristics because of the …
The Influence Of Interleukin-4 On Ligament Healing, Connie S. Chamberlain, Ellen M. Leiferman, Kayt E. Frisch, Sijian Wang, Xipei Yang, Stacey L. Brickson, Ray Vanderby
The Influence Of Interleukin-4 On Ligament Healing, Connie S. Chamberlain, Ellen M. Leiferman, Kayt E. Frisch, Sijian Wang, Xipei Yang, Stacey L. Brickson, Ray Vanderby
Faculty Publications - Biomedical, Mechanical, and Civil Engineering
Despite a complex cascade of cellular events to reconstruct the damaged extracellular matrix, ligament healing results in a mechanically inferior scarred ligament. During normal healing, granulation tissue expands into any residual normal ligamentous tissue (creeping substitution), resulting in a larger region of healing, greater mechanical compromise and an inefficient repair process. To control creeping substitution and possibly enhance the repair process, the antiinflammatory cytokine, interleukin-4 (IL-4), was administered to rats before and after rupture of their medial collateral ligaments. In vitro experiments showed a time-dependent effect on fibroblast proliferation after IL-4 treatment. In vivo treatments with IL-4 (100 ng/mL IV) …
Ultrasound Echo Is Related To Stress And Strain In Tendon, Sarah Duenwald, Hirohito Kobayashi, Kayt E. Frisch, Roderic Lakes, Ray Vanderby Jr.
Ultrasound Echo Is Related To Stress And Strain In Tendon, Sarah Duenwald, Hirohito Kobayashi, Kayt E. Frisch, Roderic Lakes, Ray Vanderby Jr.
Faculty Publications - Biomedical, Mechanical, and Civil Engineering
The mechanical behavior of tendons has been well studied in vitro. A noninvasive method to acquire mechanical data would be highly beneficial. Elastography has been a promising method of gathering in vivo tissue mechanical behavior, but it has inherent limitations. This study presents acoustoelasticity as an alternative ultrasound-based method of measuring tendon stress and strain by reporting a relationship between ultrasonic echo intensity (B-mode ultrasound image brightness) and mechanical behavior of tendon in vitro. Porcine digital flexor tendons were cyclically loaded in a mechanical testing system while an ultrasonic echo response was recorded. We report that echo intensity …
The Influence Of Macrophage Depletion On Ligament Healing, Connie S. Chamberlain, Ellen M. Leiferman, Kayt E. Frisch, Sijian Wang, Xipei Yang, Nico Van Rooijen, Geoff S. Baer, Stacey L. Brickson, Ray Vanderby
The Influence Of Macrophage Depletion On Ligament Healing, Connie S. Chamberlain, Ellen M. Leiferman, Kayt E. Frisch, Sijian Wang, Xipei Yang, Nico Van Rooijen, Geoff S. Baer, Stacey L. Brickson, Ray Vanderby
Faculty Publications - Biomedical, Mechanical, and Civil Engineering
Despite a complex cascade of cellular events to reconstruct damaged extracellular matrix (ECM), ligament healing results in a mechanically inferior, scar-like tissue. During normal healing, the number of macrophages significantly increases within the wound site. Then, granulation tissue expands into any residual, normal ligamentous tissue (creeping substitution), resulting in a larger region of healing, greater mechanical compromise, and an inefficient repair process. To study the effects of macrophages on the repair process, bilateral, surgical rupture of their medial collateral ligaments (MCLs) was done on rats. Treatment animals received liposome-encapsulated clodronate, 2 days before rupture to ablate phagocytosing macrophages. Ligaments were …
Relationships Between Jump Characteristics Of Collegiate Female Athletes Competing In Different Disciplines, Christopher J. Macdonalds, Hugh S. Lamont, John C. Garner, Jeremy A. Gentles, Ashley A. Kavanaugh, Michael H. Stone
Relationships Between Jump Characteristics Of Collegiate Female Athletes Competing In Different Disciplines, Christopher J. Macdonalds, Hugh S. Lamont, John C. Garner, Jeremy A. Gentles, Ashley A. Kavanaugh, Michael H. Stone
ETSU Faculty Works
No abstract provided.
The Acute Effects Of Whole Body Vibration On Isometric Mid-Thigh Pull Performance, W. Guy Hornsby, Mark A. South, Ashley Kavanaugh, Andrew S. Layne, G. Gregory Haff, William A. Sands, Marco Cardinale, Michael W. Ramsey, Michael H. Stone
The Acute Effects Of Whole Body Vibration On Isometric Mid-Thigh Pull Performance, W. Guy Hornsby, Mark A. South, Ashley Kavanaugh, Andrew S. Layne, G. Gregory Haff, William A. Sands, Marco Cardinale, Michael W. Ramsey, Michael H. Stone
ETSU Faculty Works
Acute exposure to vibration has been suggested to produce transient increases in muscular strength (1,2,8), vertical jump displacement (4,8), and power output (2,6,7) recorded while performing various tasks. It has been hypothesized that the reported acute vibration induced increases in performance occur as a result of alterations in neuromuscular stimulation (1,3,4). Specifically, most studies have ascribed the observed improvements to the likeliness of Whole Body Vibration (WBV) in producing a “tonic vibration reflex” (TVR) in which the primary nerve endings of the Ia afferents of the muscle spindle are activated. This is thought to result in the excitation of the …
Exercise In The Treatment And Prevention Of Diabetes, Sheri R. Colberg, Carmine R. Grieco
Exercise In The Treatment And Prevention Of Diabetes, Sheri R. Colberg, Carmine R. Grieco
Human Movement Studies & Special Education Faculty Publications
The inclusion of regular physical activity is critical for optimal insulin action and glycemic control in individuals with diabetes. Current research suggests that Type II diabetes mellitus can be prevented and that all types of diabetes can be controlled with physical activity, largely through improvements in muscular sensitivity to insulin. This article discusses diabetes prevention and the acute and chronic benefits of exercise for individuals with diabetes, along with the importance and impact of aerobic, resistance, or combined training upon glycemic control. To undertake physical activity safely, individuals also must learn optimal management of glycemia.
An Assessment Of An Education Intervention On Youth Sports Coaches Knowledge Of Concussions, Heidi Elizabeth Brigham
An Assessment Of An Education Intervention On Youth Sports Coaches Knowledge Of Concussions, Heidi Elizabeth Brigham
Human Movement Studies & Special Education Theses & Dissertations
Research has shown that sport related concussions are occurring at high rates across the United States. Research has also shown that there are many misconceptions among youth sports coaches regarding concussions. Therefore the purpose of this study was to determine the effects of an educational intervention on the knowledge of concussion recognition, management and prevention for youth sports coaches. A secondary purpose was to compare various relationships between demographic characteristics and the concussion knowledge assessment scores. A twenty-one question multiple choice assessment and 16 option symptom recognition checklist was utilized to assess concussion knowledge prior to and following an educational …
The Effect Of Lower Extremity Ergometry Exercise On Deltoid Intramuscular Temperatures During And Following A 30-Minute 1-Kg Ice Bag Treatment, Shigeru Takeuchi
The Effect Of Lower Extremity Ergometry Exercise On Deltoid Intramuscular Temperatures During And Following A 30-Minute 1-Kg Ice Bag Treatment, Shigeru Takeuchi
All-Inclusive List of Electronic Theses and Dissertations
Context: The practice of cycling for cardiovascular benefits and the simultaneous application of an ice bag to the upper extremity for cryotherapy effects is convenient and time-saving. However, exercise increases body temperature specially in working muscles. However, non-working areas are used to dissipate heat by receiving warmed blood. Objective: To determine the effect of lower body exercise on deltoid cooling during 1-kg ice bag treatment and post treatment rewarming, separately. Design: Two ( during and after ice application) 2 X 5 repeated measures designs with the treatment condition (bike and rest) and time (baseline, 1-, 10-, 20-, and 30-minutes during …
Effect Of A Single Bout Of Prior Moderate Exercise On Cutaneous Perfusion In Type 2 Diabetes, Sheri R. Colberg, Henri K. Parson, Tanja Nunnold, D. Robb Holton, Aaron I. Vinik
Effect Of A Single Bout Of Prior Moderate Exercise On Cutaneous Perfusion In Type 2 Diabetes, Sheri R. Colberg, Henri K. Parson, Tanja Nunnold, D. Robb Holton, Aaron I. Vinik
Human Movement Studies & Special Education Faculty Publications
In diabetic individuals, increased shunting of circulation away from the skin may exist, contributing to their greater risk for ulcerations and poor cutaneous healing. In a prospective study (1), we previously found a lower skin perfusion during local heating in the foot dorsum of sedentary type 2 diabetic individuals compared with active people without diabetes. This defect was present despite normal increases in skin interstitial nitric oxide (NO), suggesting that NO is either ineffective or not involved (2). A prior bout of maximal exercise also lessened the impaired responsiveness to local heating of the dorsal foot in active type 2 …
Men, Muscles, And Body Image: Comparisons Of Competitive Bodybuilders, Weight Trainers, And Athletically Active Controls, T. C. Pickett, R. J. Lewis, T. F. Cash, H. G. Pope
Men, Muscles, And Body Image: Comparisons Of Competitive Bodybuilders, Weight Trainers, And Athletically Active Controls, T. C. Pickett, R. J. Lewis, T. F. Cash, H. G. Pope
Psychology Faculty Publications
Objectives: To investigate body image and psychosocial adjustment among competitive bodybuilders, non-competitive weight trainers, and athletically active men.
Methods: Participants were 40 men in each of the three groups who were assessed on body composition and multiple facets of body image evaluation, investment and anxiety, eating attitudes, and social self esteem.
Results: Relative to the other two groups, competitive bodybuilders had greater body mass due to fat-free body mass. Although groups did not differ in their situational body image discomfort, competitive bodybuilders and weight trainers had a more positive global appearance evaluation and were more psychologically invested in their physical …
External Ankle Stablization: Male High School Basketball Players' Perceptions On Functional Performance, Renae E. Bomar
External Ankle Stablization: Male High School Basketball Players' Perceptions On Functional Performance, Renae E. Bomar
All-Inclusive List of Electronic Theses and Dissertations
Objective: The purpose of this study was to measure and report athletes' perceptions of the effects an external ankle support has on functional performance, and to gain knowledge ofwhat type of ankle support the athletes choose to wear. Design and Setting: A questionnaire containing demographic information and 4 construct areas was designed to focus on assessing high school male basketball players' perception of functional performance while wearing an external ankle support. Survey p~ckets were sent to high school certified athletic trainers (ATCs) to be distributed to each male basketball player. Subjects: Approximately 770 surveys were sent out to ATCs in …
An Investigation Of Perceived Restrictions On Certified Athletic Trainers Practice, Katy Taake
An Investigation Of Perceived Restrictions On Certified Athletic Trainers Practice, Katy Taake
All-Inclusive List of Electronic Theses and Dissertations
The purpose of this study was to identify the frequency and nature of perceived restrictions by certified athletic trainers (ATCs) and to determine the frequency of perceived restrictions for each practice setting within states that have legislation. This was a qualitative-descriptive study performed with a web-based survey. 10,000 ATCs receiving electronic mail from the National Athletic Trainers' Association (NATA) were invited to participate in this study. 1158 subjects participated in the study, and 724 subjects (295 female and 429 male; age=33.2 ± 8.3yrs) remained after exclusions. A webbased survey was created to evaluate perceived restrictions. Inorder to establish face validity …
Changes In Neuromuscular Function In Collegiate Sprinters During An Indoor Season, Jack W. Skaggs
Changes In Neuromuscular Function In Collegiate Sprinters During An Indoor Season, Jack W. Skaggs
All-Inclusive List of Electronic Theses and Dissertations
Objective: The purpose of this study was to determine the changes in neuromuscular function through the use of the Hoffman Reflex in male Division I collegiate sprinters during an indoor competitive season. Design: a 2 X 4 factorial design. The independent variables in this study were groups (Sprint and Control) and testing times (base, mid, peak and taper). The dependent variable was the soleus Hreflex, anaerobic power, and body composition. Setting: This study took place in the Exercise Physiology Laboratory located in the Health and Human Performance Building at Indiana State University. Subjects: Ten male Division I collegiate sprinters (age: …
Predictive Factors Of Perceived Stress And Work-Related Strain Among Collegiate Athletic Trainers, Shinichiro Sugiura
Predictive Factors Of Perceived Stress And Work-Related Strain Among Collegiate Athletic Trainers, Shinichiro Sugiura
All-Inclusive List of Electronic Theses and Dissertations
Objective: In a college/university setting, certified athletic trainers (ATCs) may have sport coverage, classroom teaching, and clinical instructor responsibilities. The purpose of this study was to determine the most important predictors of perceived stress and work-related strain among ATCs in a college/university setting, how athletic level affected perceived stress and work-related strain, and if the perceived stress score correlated with the work-related strain score. Design and Setting: This study was a webbased survey consisting of demographic and job responsibility questionnaire, the Perceived Stress Scale (PSS), and the Work-Related Strain Inventory (WRSI). To evaluate predictors of perceived stress and work-related strain, …
Looking Back: Synthetic Turf And Football Injuries, Allan Mazur, Jennifer Bretsch
Looking Back: Synthetic Turf And Football Injuries, Allan Mazur, Jennifer Bretsch
RISK: Health, Safety & Environment (1990-2002)
From the Astrodome to Astro-Turf, the authors revisit the issue of sports injuries and synthetic surfaces. The first in a series of comments exploring historic risk topics.
A Cross-Validation Of The Marshall University Step Test On College Males And Females Age 18-24, Mary Robin Hampton
A Cross-Validation Of The Marshall University Step Test On College Males And Females Age 18-24, Mary Robin Hampton
Theses, Dissertations and Capstones
Positive health entails more than the absence of disease; it is a state of physical, mental, and social well-being (Hartung, Krock, Crandall, Bisson, & Myhre, 1993; Payne & Hahn, 1995). Physical fitness, as described by Francis (1987), is the potential for making adequate functional adjustments to increased metabolic demands. Cardiorespiratory fitness (aerobic fitness) is believed to be the single best indicator of physical fitness (Astrand & Rodale, 1985). The standard index of cardiorespiratory fitness is maximum oxygen uptake (VO^^), or the maximum rate at which oxygen can be consumed. VO2max is dependent upon the cardiovascular system’s ability to deliver blood …
The Effect Of Gymnastic Routines On Blood Pressure And Pulse Rate, Robert Ferguson
The Effect Of Gymnastic Routines On Blood Pressure And Pulse Rate, Robert Ferguson
Masters Theses
No abstract provided.