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The Effects Of Various Warm-Up Devices On Bat Velocity And Trajectory In Collegiate Baseball Players, Jordan L. Cola 2016 Seton Hall University

The Effects Of Various Warm-Up Devices On Bat Velocity And Trajectory In Collegiate Baseball Players, Jordan L. Cola

Seton Hall University Dissertations and Theses (ETDs)

Purpose: The purpose of this study was to examine the effects of various weighted warm-up devices on standard baseball bat velocity and trajectory in collegiate baseball players. Methods: Three, right-handed hitters (mean age= 19.3yrs ±1.5yrs; height= 1.74m±.13m; mass=81kg ±20.4kg; baseball experience=14.2 ±1.3) volunteered for this study. Maximal bat velocity was obtained by swinging the 30oz standard bat for the control condition. Participants were then instructed to perform a general and specific warm-up with each of the weighted bats (standard bat with 16oz donut ring (46oz total) and standard bat with 24oz ...


Effects Of Intermittent Pneumatic Compression On Leg Blood Flow And Vascular Function After Spinal Cord Injury, Lena Marie Cialdella 2016 University of Southern Mississippi

Effects Of Intermittent Pneumatic Compression On Leg Blood Flow And Vascular Function After Spinal Cord Injury, Lena Marie Cialdella

Master's Theses

Intermittent pneumatic compression (IPC) can increase leg blood flow (BF) in able-bodied persons. Whether IPC can alter leg BF, and improve vascular function in people with SCI is currently unknown. PURPOSE: Test the hypothesis that acute IPC will increase leg BF, and improve vascular function in SCI. METHODS: Participants (n=8; injury level: T3 and below; A.S.I.A. class A-C; age: 41±17 yrs) were recruited for a 1-hour IPC session performed in one leg (experimental leg; EXP), with the other serving as a control (CON). IPC consisted of sequential, foot-to-calf compressions (4-s inflate, 16-s deflate; 3 compressions ...


Effects Of A Virtual Training Partner On Cycling Time Trial Performance In Recreationally Active Females, Janae L. Myers 2016 College of Saint Benedict/Saint John's University

Effects Of A Virtual Training Partner On Cycling Time Trial Performance In Recreationally Active Females, Janae L. Myers

Celebrating Scholarship & Creativity Day

Introduction. Fatigue is a result of physiological and psychological limits. Associative thoughts (thoughts of physical sensations) and dissociative thoughts (thoughts not regarding physical sensations) compete for attentional focus during exercise and can influence exercise performance and fatigue. Distractions during exercise, such as watching TV or interactive exercise, increase dissociative thoughts and reduce rate of perceived exertion (RPE). Limited research exists regarding the effects of a virtual training partner on exercise performance and fatigue.

Purpose. To examine whether the use of a virtual training partner (ghost) will improve performance by increasing dissociative thoughts. We hypothesized that the use of a ghost ...


Hydration Status, Habits, And Knowledge Of Collegiate Cross Country Runners, Laura J. Comee 2016 College of Saint Benedict/Saint John's University

Hydration Status, Habits, And Knowledge Of Collegiate Cross Country Runners, Laura J. Comee

Celebrating Scholarship & Creativity Day

Abstract: Dehydration exceeding 2% loss of body mass can cause decreased cognitive and physical performance in endurance athletes. While many runners carry water bottles with them, most do not know their sweat rate or fluid recommendations, increasing the risk for heat-related illnesses such as heat stroke. Purpose: To assess hydration status, habits, and knowledge of collegiate cross country runners. Methods: Institutional Review Board approval was obtained and subjects completed informed consents. Thirty-three female and twenty-five male Division III collegiate runners participated in the study. Hydration status was assessed measuring the specific gravity of three urine samples one each before a ...


Factors Contributing To Professional Self-Efficacy Levels In Recently Graduated Certified Athletic Trainers, Matthew Kuo, Hannah L. Stedge, Michael S. Weller 2016 Cedarville University

Factors Contributing To Professional Self-Efficacy Levels In Recently Graduated Certified Athletic Trainers, Matthew Kuo, Hannah L. Stedge, Michael S. Weller

The Research and Scholarship Symposium

Self-efficacy is an important factor for job success, but it has been cited as a missing factor in new athletic training graduates. Therefore, the objective of this study was to find what factors affect the development of self-efficacy in the recently graduated certified athletic trainer. A qualitative survey method was utilized that involved questions aimed to extract as much personal opinion and experiences as possible. Online surveys were sent out electronically to 1,000 prospective participants. A total of 64 survey responses were received but only 52 surveys were qualified for inclusion into the study. Data was collected via the ...


Predictive Value Of The Functional Movement Screen As It Relates To Anterior Cruciate Ligament Injury, Daniel A. Herring, Kyle D. Cherry, Hannah L. Stedge 2016 Cedarville University

Predictive Value Of The Functional Movement Screen As It Relates To Anterior Cruciate Ligament Injury, Daniel A. Herring, Kyle D. Cherry, Hannah L. Stedge

The Research and Scholarship Symposium

Introduction: Anterior cruciate ligament injuries occur over 200,000 times annually in the United States alone (Brophy, et al. 2009). This injury strains the healthcare system and affects the players, teams, parents, and the organization they are a part of. There have been, however, clinically researched risk factors that predispose athletes to ACL injury (Gignac, et al. 2015; Laible, et al. 2014). As a result, there is a clinical need for an effective screening tool to identify those athletes at risk for ACL injury. The Functional Movement Screen has been shown to be an effective screening tool for detecting athletes ...


Effects Of Social Support On Compliance In Rehabilitating Athletes, Sarah E. Orr, Hannah L. Stedge 2016 Cedarville University

Effects Of Social Support On Compliance In Rehabilitating Athletes, Sarah E. Orr, Hannah L. Stedge

The Research and Scholarship Symposium

The purpose of the study was to better understand if social support has an effect at all on the athlete’s compliance in coming in to do their rehabilitation during an injury. Those who participated in this study were from the colleges and universities in the state of Ohio. The participants were collegiate athletes who were in a rehabilitation program for six or more weeks and had returned to play. Of the 56 surveys returned, 18 (32.14%) of those were fully completed, and nine (16.07%) of those, consisting of seven (77.78%) females and two (22.22%) males ...


Electromyographic And Mechanomyographic Time And Frequency Responses During Fatiguing, Submaximal, Isokinetic Muscle Actions Of The Biceps Brachii, Ethan C. Hill 2016 University of Nebraska-Lincoln

Electromyographic And Mechanomyographic Time And Frequency Responses During Fatiguing, Submaximal, Isokinetic Muscle Actions Of The Biceps Brachii, Ethan C. Hill

Public Access Theses and Dissertations from the College of Education and Human Sciences

The purpose of the present investigation was to examine the time-course of changes in electromyographic (EMG) and mechanomyographic (MMG), time and frequency domain responses during repeated, submaximal, concentric, isokinetic, forearm flexion muscle actions. Twelve men (mean age ± SD = 22.6 ± 2.2 yrs; body weight = 84.0 ± 8.3 kg; height = 178.6 ± 8.3 cm) performed 50 repeated, submaximal (65% of concentric peak torque), concentric muscle actions of the dominant forearm flexors on an isokinetic dynamometer at 60°·s-1. Surface EMG and MMG signals were simultaneously recorded from the biceps brachii muscle. Polynomial regression analyses (first, second, and ...


Nutrition And Exercise: Best Of Both Worlds, Jacob Allen Burns, Lukas Swysgood, Trenton Antonaros 2016 Otterbein University

Nutrition And Exercise: Best Of Both Worlds, Jacob Allen Burns, Lukas Swysgood, Trenton Antonaros

SYE Legacies: Student Group Projects

To teach the students of the Best of Both Worlds (BOBW) program how to live a healthy lifestyle by introducing simple nutrition and exercise methods that can be done at home. To offer a program that is understandable at all levels of education that introduces effective and easy ways to eat healthier and exercise simply. A PowerPoint that explains nutrition and exercise information. Hands on learning and visuals to help students capture positive health ideas. Interactive demonstration of exercises and introduction of banded exercises. A before and after survey to quiz students on knowledge prior to and after seminar. An ...


Assessment Of Anti-Saccades Within 24 To 48 Hours Post-Concussion, Nathan D'Amico 2016 Georgia Southern University

Assessment Of Anti-Saccades Within 24 To 48 Hours Post-Concussion, Nathan D'Amico

Georgia Southern University Research Symposium

INTRODUCTION: Approximately 90% of concussions involve oculomotor impairment, with saccadic eye movement deficits being the most prominent oculomotor impairment. Saccades are rapid eye movements that bring a fixed point or area of interest into the center of sight and are important for safely navigating through the environment. Anti-saccades are saccadic eye movement deficits that involve a reflexive, involuntary saccade away from a fixed point or area of interest. Assessments of anti-saccades may provide a fast, accurate, and reliable way to screen for concussion. However, little research quantitatively explores anti-saccades post-concussion.

PURPOSE: To investigate anti-saccades between NCAA Division I athletes 24-48 ...


Markerless Radiostereogammetry Of The Shoulder Joint In Humans: Comparisons Of Scapulohumeral Kinematics Between Individuals With Healthy And Supraspinatus-Impaired Shoulders, Ashley N. Hannon 2016 The University of Western Ontario

Markerless Radiostereogammetry Of The Shoulder Joint In Humans: Comparisons Of Scapulohumeral Kinematics Between Individuals With Healthy And Supraspinatus-Impaired Shoulders, Ashley N. Hannon

Electronic Thesis and Dissertation Repository

The purpose of this collection of studies was to further develop the knowledge of shoulder motion in order to better understand joint function through direct measurement of 3D scapulohumeral joint kinematics using a technique of high accuracy. Markerless, bi-planar fluoroscopic radiostereometric analysis using a generic shoulder model was developed in this thesis, reducing the amount of radiation exposure to subjects. The studies compared kinematic data of the scapulohumeral joint in six degrees of freedom with a precise, in-vivo measuring technique. Data were collected on young and older healthy individuals, individuals with a torn supraspinatus and post-surgical intervention.

Although this generic ...


An Epidemiological Study Of Ankle Injuries Among Football Players At A Division I University, Amy Elizabeth Estep 2016 University of Tennessee, Knoxville

An Epidemiological Study Of Ankle Injuries Among Football Players At A Division I University, Amy Elizabeth Estep

EURēCA: Exhibition of Undergraduate Research and Creative Achievement

Ankle injuries are one of the most common injuries experienced by collegiate football players1. Analysis of ankle injury reports can help sports medicine staff prevent these types of injuries among football athletes by better understanding the factors surrounding the injury2. The purpose of this study was to examine the risk factors associated with ankle injuries (N=120) experienced by football players (N=222) at a Division I University during three football seasons (August 2013-December 2015). METHODS: De-identified data from the Sports Injury Monitoring System (SIMS) was used to calculate ankle injury incidence rates (per 1,000 exposures) by player position ...


Identification Of Kinematic And Kinetic Injury Risk Predictors In Division I Football Athletes, Corbin M. Rasmussen, Guilherme M. Cesar, Shinya Takahashi 2016 University of Nebraska-Lincoln

Identification Of Kinematic And Kinetic Injury Risk Predictors In Division I Football Athletes, Corbin M. Rasmussen, Guilherme M. Cesar, Shinya Takahashi

UCARE Research Products

biomechanical patterns and insufficiencies that may influence risk of ligamentous injury, such as an anterior cruciate ligament (ACL) tear. One kinematic pattern that has been identified as detrimental to ACL integrity is frontal plane knee collapse (valgus) during jumping and landing tasks.1 Inter-limb differences in force generation have also been connected to the occurrence of lower extremity injury.2 It is not known, however, whether these patterns contribute to the occurrence of lower extremity (LE) non-contact soft-tissue injury. The counter-movement vertical jump (CMVJ) is one way to simultaneously screen for knee collapse and asymmetrical force production patterns. This method ...


Time Course Of Changes In Neuromuscular Parameters During Fatiguing High-Load And Low-Load Concentric Dynamic Constant External Resistance Leg Extension Muscle Actions, Cory M. Smith 2016 University of Nebraska-Lincoln

Time Course Of Changes In Neuromuscular Parameters During Fatiguing High-Load And Low-Load Concentric Dynamic Constant External Resistance Leg Extension Muscle Actions, Cory M. Smith

Nutrition & Health Sciences Dissertations & Theses

The purpose of this study was to simultaneously assess electromyographic (EMG) and mechanomyographic (MMG) signals to examine the time course of changes in EMG amplitude, EMG frequency, MMG amplitude, and MMG frequency from the vastus lateralis (VL), vastus medialis (VM), and rectus femoris (RF) muscles during high-load (70%1 repetitions maximum; 1-RM) and low-load (30% 1-RM) concentric, dynamic constant external resistance (DCER) leg extension muscle actions to failure. Twelve men performed two randomized visits consisting of either 30 or 70% 1-RM DCER leg extension muscle actions to failure. Maximal voluntary isometric contractions (MVIC) and 1-RM measurements were performed before and ...


The Effect Of Training Intensity On Vo2max In Young Healthy Adults: A Meta-Regression And Meta-Analysis, Trisha Scribbans, Stephan Vecsey, Hankinson Paul, William Foster, Brendon Gurd 2016 Queen's University - Kingston, Ontario

The Effect Of Training Intensity On Vo2max In Young Healthy Adults: A Meta-Regression And Meta-Analysis, Trisha Scribbans, Stephan Vecsey, Hankinson Paul, William Foster, Brendon Gurd

International Journal of Exercise Science

International Journal of Exercise Science 9(2): 230-247, 2016. Exercise training at a variety of intensities increases maximal oxygen uptake (VO2max), the strongest predictor of cardiovascular and all-cause mortality. The purpose of the present study was to perform a systematic review, meta-regression and meta-analysis of available literature to determine if a dose-response relationship exists between exercise intensity and training-induced increases in VO2max in young healthy adults. Twenty-eight studies involving human participants (Mean age: 23±1 yr; Mean VO2max: 3.4±0.8 l·min−1) were included in the meta-regression with exercise training intensity, session dose, baseline VO2max, and total ...


Metabolic And Energy Cost Of Sitting, Standing, And A Novel Sitting/Stepping Protocol In Recreationally Active College Students, Charles J. Fountaine, Josh Johann, Craig Skalko, Gary A. Liguori 2016 University of Minnesota Duluth

Metabolic And Energy Cost Of Sitting, Standing, And A Novel Sitting/Stepping Protocol In Recreationally Active College Students, Charles J. Fountaine, Josh Johann, Craig Skalko, Gary A. Liguori

International Journal of Exercise Science

International Journal of Exercise Science 9(2): 223-229, 2016. The purpose of this study was to compare the differences in metabolic and energy cost (MEC) of college students while seated, standing, and during a sitting/stepping protocol. Participants were assessed via indirect calorimetry for 20 min in each of the following conditions: 1) seated in a standard office chair, 2) standing in place, and 3) a sitting/stepping protocol in which participants performed 1 min of stepping in place at 90 bpm, sat for 9 min, then repeated the stepping and sitting sequence once more. Participants completed each of the ...


Poor Quality Of Instruction Leads To Poor Motor Performance Regardless Of Internal Or External Focus Of Attention, M. Jay Polsgrove, Tom E. Parry, Nathan T. Brown 2016 Northeastern Illinois University

Poor Quality Of Instruction Leads To Poor Motor Performance Regardless Of Internal Or External Focus Of Attention, M. Jay Polsgrove, Tom E. Parry, Nathan T. Brown

International Journal of Exercise Science

International Journal of Exercise Science 9(2): 214-222, 2016. The view that external focus of attention provides beneficial performance outcomes when compared to an internal focus of attention has been consistently supported in the movement performance literature. While type of focus has been well investigated, the current study examined the influence of quality of instruction as a variation of the type of focus. Specifically, the purpose of the study investigated how performance-enhancing instructions would differ from performance-neutral instructions on an agility performance. An agility L-run was used to measure performance in the four counterbalanced conditions: Internal-Performance Neutral (INT-PN), Internal-Performance Enhancing ...


The Effects Of A Commercial, Pre-Exercise Energy Drink Supplement On Power, Muscular Endurance, And Repeated Sprint Speed, Bill I. Campbell, Jasmine L. Richmond, J. Jay Dawes 2016 University of South Florida

The Effects Of A Commercial, Pre-Exercise Energy Drink Supplement On Power, Muscular Endurance, And Repeated Sprint Speed, Bill I. Campbell, Jasmine L. Richmond, J. Jay Dawes

International Journal of Exercise Science

International Journal of Exercise Science 9(2): 205-213, 2016. The purpose of this study was to investigate the effects of ingesting a pre-workout commercial energy drink supplement on multiple parameters of physical performance, including upper body and trunk muscular endurance, muscular power, and repeated sprint speed. 19 college-aged males (n = 8) and females (n = 11) participated in this randomized, double-blind, parallel groups study. At baseline and post-testing (about one week after baseline testing), anaerobic power (assessed via a countermovement vertical jump), muscular endurance (assessed via YMCA bench press test and a curl-up test), and repeated sprint speed were assessed. Thirty ...


Teacher Perceptions Of Fitnessgram® And Application Of Results, William M. Miller, Sean M. Bulger, Hugh D. Campbell, Eloise Elliott, Christa L. Lilly, Robert L. Wiegand 2016 Concord University

Teacher Perceptions Of Fitnessgram® And Application Of Results, William M. Miller, Sean M. Bulger, Hugh D. Campbell, Eloise Elliott, Christa L. Lilly, Robert L. Wiegand

International Journal of Exercise Science

International Journal of Exercise Science 9(2): 187-204, 2016. The purpose of this study was to examine perceptions of physical educators toward state-mandated use of FITNESSGRAM®. Two validated instruments were employed to collect data regarding teacher (n=174) perceptions and use. Mean (M) and standard deviations (SD) were calculated for all scale scores with t-tests and ANOVAs testing for differences by selected demographics. Overall attitudes toward FITNESSGRAM® were slightly positive (M = 4.52, SD = 1.06) on a 7-point Likert scale. The demographic variable gender (p = 0.017) was found to be statistically significant. In regards to the application of ...


The Effects Of A Plyometric Training Program On Jump Performance In Collegiate Figure Skaters: A Pilot Study, Jennifer L. Hunnicutt, Craig L. Elder, J. Jay Dawes, Amanda J. Sinclair Elder 2016 Medical University of South Carolina

The Effects Of A Plyometric Training Program On Jump Performance In Collegiate Figure Skaters: A Pilot Study, Jennifer L. Hunnicutt, Craig L. Elder, J. Jay Dawes, Amanda J. Sinclair Elder

International Journal of Exercise Science

International Journal of Exercise Science 9(2): 175-186, 2016. Plyometric training has been implemented to increase jump height in a variety of sports, but its effects have not been researched in figure skating. The purpose of this study was to determine the effects of a plyometric training program on on-ice and off-ice jump performance. Six collegiate figure skaters (19.8±1.2 years; 164.7±4.9 cm; 60.3±11.6 kg) completed a six-week sport-specific plyometric training program, consisting of low to moderate intensity plyometric exercises, while eight collegiate figure skaters (21.1±3.9 years; 162.6 ...


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