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Sports Sciences

2019

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Articles 1 - 30 of 95

Full-Text Articles in Kinesiology

Towards A “Rescue Ready” Mindset: Can Lifeguard Teams Learn Lessons From The Attributes Of Chronic Unease?, Billy Rj Doyle, Jonathon Webber Dec 2019

Towards A “Rescue Ready” Mindset: Can Lifeguard Teams Learn Lessons From The Attributes Of Chronic Unease?, Billy Rj Doyle, Jonathon Webber

International Journal of Aquatic Research and Education

Highly Reliable Organisations (HROs) are safety-centric organisations that operate in complex environments alongside risky technologies and processes. There is a high risk of catastrophe and error in these settings, the consequences of which may result in loss of life, financial cost, and damage to the environment. “Chronic unease” is a concept originally adopted by Royal Dutch Shell describing a mindset that has five predictable attributes that contribute to an individual’s and organisational safety culture. The authors of this paper describe the attributes of chronic unease in the context of lifeguard operations. A case study of a dangerous and dynamic rescue …


Ulnar Collateral Ligament Reconstruction With Traditional Docking Compared To Novel Surgical Techniques, Kayley D. Guy, Brendon P. Mcdermott, Kaitlin Gallagher, Tyrone Washington Dec 2019

Ulnar Collateral Ligament Reconstruction With Traditional Docking Compared To Novel Surgical Techniques, Kayley D. Guy, Brendon P. Mcdermott, Kaitlin Gallagher, Tyrone Washington

Health, Human Performance and Recreation Undergraduate Honors Theses

Background: Ulnar Collateral Ligament Reconstruction (UCLR) is a surgical procedure on one of the main ligaments that provides normal stability for the elbow joint against excessive valgus stress. Damage to this ligament is common in athletes performing overhead throwing activities, primarily baseball players, due to excessive valgus stress during the throwing motion. The most common form of treatment for this type of injury is reconstructive surgery of the ligament, especially if athletes wish to return to sport participation. This type of surgery is extremely invasive and requires extensive post-operative rehabilitation in order to facilitate return to play. To date, many …


Does An Acute Achilles Tendon Rupture Become A Patient's Achilles Heel In The Long-Term?, Michaela Cm Khan Nov 2019

Does An Acute Achilles Tendon Rupture Become A Patient's Achilles Heel In The Long-Term?, Michaela Cm Khan

Electronic Thesis and Dissertation Repository

It is unknown if deficits in the involved limb following acute Achilles tendon rupture (AATR) persist in the long-term, or differ between patients treated operatively or non-operatively. This study investigated 43 patients 15±1 years post-AATR from a previous randomized controlled trial (RCT) that compared operative and non-operative treatment. Structural characteristics in the Achilles tendon and surrounding musculature were assessed using magnetic resonance imaging. We also performed physical examinations and evaluated performance-based and patient-reported outcomes. Overall, there were substantial differences between the involved and uninvolved limbs in most outcomes. Some outcomes improved over time from the initial RCT to the final …


Finding Latent Groups In Observed Data: A Primer On Latent Profile Analysis In Mplus For Applied Researchers, Sarah L. Ferguson, E. Whitney G. Moore, Darrell M. Hull Nov 2019

Finding Latent Groups In Observed Data: A Primer On Latent Profile Analysis In Mplus For Applied Researchers, Sarah L. Ferguson, E. Whitney G. Moore, Darrell M. Hull

Kinesiology, Health and Sport Studies

The present guide provides a practical guide to conducting latent profile analysis (LPA) in the Mplus software system. This guide is intended for researchers familiar with some latent variable modeling but not LPA specifically. A general procedure for conducting LPA is provided in six steps: (a) data inspection, (b) iterative evaluation of models, (c) model fit and interpretability, (d) investigation of patterns of profiles in a retained model, (e) covariate analysis, and (f) presentation of results. A worked example is provided with syntax and results to exemplify the steps.


The Effect Of Oral Contraceptives On Caffeine Metabolism And Cycling Performance, Annette M. Lemanski Nov 2019

The Effect Of Oral Contraceptives On Caffeine Metabolism And Cycling Performance, Annette M. Lemanski

Showcase of Graduate Student Scholarship and Creative Activities

This project objectives were to determine the effects of oral contraceptives and menstrual cycle on the benefits of caffeine supplementation for cycling performance. Seventeen recreationally trained female cyclists completed four trials consisting of 3 kilometer time trials. Subjects ingested either caffeine or a placebo one hour prior to each trial. The magnitude of the ergogenic aid of caffeine was compared between oral contraceptive users and eumenorreheic females. In addition, the effect of caffeine was compared across different phases of the menstrual cycle, specifically the follicular and luteal phases.


Crises In The Aquatic Profession, Robert Keig Stallman Oct 2019

Crises In The Aquatic Profession, Robert Keig Stallman

International Journal of Aquatic Research and Education

In this paper, I propose there are several crises in the aquatic profession and I explain what they are and how to address them using research and my own observations. I use an innovative questioning process to do this by asking you the reader a series of questions after which I explain each. The first crisis has to do with the quantity of trained swimming instructors relative to the population that they serve. In many western European and North American high income countries (HICs), the teacher:student ratios are declining and it is getting increasingly difficult to hire trained swim instructors. …


Creativity, Experience, And Reflection: One Magic Formula To Develop Preventive Water Competences, Ana I. Ortiz Olivar Oct 2019

Creativity, Experience, And Reflection: One Magic Formula To Develop Preventive Water Competences, Ana I. Ortiz Olivar

International Journal of Aquatic Research and Education

Preventive water competences that children should learn to be safe in the water have been discussed and revised. Methodology to promote these wáter competences has not had the same amount of examination and discussion so far. From an ecological perspective, we share some key points derived from the objectives of the research-into-action program called “The development of preventive water competences in 5th and 6th grade school students” as conducted in Junior Lifeguard programs in Uruguay. It involved six groups of 10 to 12-year-old Estate School students studied in two cycles. The whole process conveyed how our methodology changed from experiences …


Effects Of Anaerobic Fatigue On The Tuck Jump Assessment Performance In Female Collegiate Club Athletes, Madison M. Vomacka, Nicole Bascelli, Monica Lininger Oct 2019

Effects Of Anaerobic Fatigue On The Tuck Jump Assessment Performance In Female Collegiate Club Athletes, Madison M. Vomacka, Nicole Bascelli, Monica Lininger

Journal of Sports Medicine and Allied Health Sciences: Official Journal of the Ohio Athletic Trainers Association

Purpose: To determine the impact of a fatigue trial on the scores and number of jumps in a Tuck Jump Assessment (TJA) in female collegiate club athletes. The TJA is a 10-second plyometric jumping assessment used to replicate sport and identify lower extremity landing patterns. Scores from the TJA are summed together and those who score a 6 or higher are suggested for intervention training. Methods: Sixteen female club athletes (age: 20.9+1.9 years, weight: 59.13+7.72kg, height: 64.56+2.63cm) completed the TJA twice, once before performing a Wingate protocol and then again after. A dependent sample t-test was performed to determine any …


Prediction Modeling For Board Of Certification Exam Success For A Professional Master’S Athletic Training Program, Scott L. Bruce, Elizabeth K. Crawford, Gary B. Wilkerson, R. Barry Dale, Martina Harris, David W. Rausch Oct 2019

Prediction Modeling For Board Of Certification Exam Success For A Professional Master’S Athletic Training Program, Scott L. Bruce, Elizabeth K. Crawford, Gary B. Wilkerson, R. Barry Dale, Martina Harris, David W. Rausch

Journal of Sports Medicine and Allied Health Sciences: Official Journal of the Ohio Athletic Trainers Association

Introduction: The Commission on Accreditation of Athletic Training Education mandates accredited athletic training programs have a minimum, three-year aggregate, first-attempt pass rate on the Board of Certification (BOC) examination of 70%. No studies have examined first-attempt BOC exam success for students enrolled in a professional master’s athletic training program (PMATP). Purpose: The purpose of this study was to identify factors associated with first-attempt success on the BOC examination for PMATP students. Methods: This cohort designed study used common application data from subjects’ university and PMATP applications to create prediction models to identify those factors that predict first-attempt success on the …


Performance Motion Analysis Unable To Predict Running-Related Injury In Collegiate Distance Runners, Christopher P. Melgares, Andrew C. Fry, Zachary Sanchez Oct 2019

Performance Motion Analysis Unable To Predict Running-Related Injury In Collegiate Distance Runners, Christopher P. Melgares, Andrew C. Fry, Zachary Sanchez

Journal of Sports Medicine and Allied Health Sciences: Official Journal of the Ohio Athletic Trainers Association

ABSTRACT

Purpose: Running-related injury (RRI) is common among competitive collegiate distance runners who participate in the sport of cross country and long distance track and field. Many factors contribute to RRI. Therefore, the purpose of this study was to determine if a 3D motion capture system’s performance motion analysis (PMA) report is capable of identifying factors predictive of RRI among collegiate distance runners during a cross country season. Methods: Thirty-one collegiate cross country runners (17 male, 14 female, mean age = 20.5 ± 1.4 years) gave their consent to participate in the investigation. Subjects were screened in the motion capture …


Comparison Of Pitching From Flat Ground Vs. 10-Inch Mound Regarding Elbow Varus Torque And Arm Speed, Stephen A. Cage, X. Neil Dong, Brandon J. Warner, Diana M. Gallegos Oct 2019

Comparison Of Pitching From Flat Ground Vs. 10-Inch Mound Regarding Elbow Varus Torque And Arm Speed, Stephen A. Cage, X. Neil Dong, Brandon J. Warner, Diana M. Gallegos

Journal of Sports Medicine and Allied Health Sciences: Official Journal of the Ohio Athletic Trainers Association

Purpose: The purpose of this study was to examine the effect of throwing surface and distance on varus elbow torque and arm speed. Methods: 11 male collegiate baseball pitchers (age = 20.73 ± 1.56 years, height = 175.26 ± 9.03 cm, mass = 70.31 ± 9.03 kg) participated in this study. Varus elbow torque and distance were measured using a 3D motion sensor housed in a spandex sleeve at the medial joint line of the elbow. Participants were instructed to complete their normal warmup routine as if they were about to pitch in a bullpen session or a game. Participants …


An Examination Of Step Frequency And The Running Readiness Scale As Predictors Of Running-Related Injury In Collegiate Cross-Country Athletes, Shelley S. Payne Dr., Jenna D'Errico, D. S. Blaise Williams Oct 2019

An Examination Of Step Frequency And The Running Readiness Scale As Predictors Of Running-Related Injury In Collegiate Cross-Country Athletes, Shelley S. Payne Dr., Jenna D'Errico, D. S. Blaise Williams

Journal of Sports Medicine and Allied Health Sciences: Official Journal of the Ohio Athletic Trainers Association

Purpose: The purpose of this study was to determine the relationship between step frequency and the Running Readiness Scale and the occurrence of a Running-Related Injury (RRI) in a Division III cross-country team. Methods: Each athlete was screened prior to the season for their step frequency at a preferred and pre-determined pace. Additionally, each athlete performed 6 musculoskeletal tests known as the “Running Readiness Scale” to assess body alignment, weight distribution, and muscular endurance. Each subject logged their training and competition schedule and injury history throughout the season using the Otterbein Run Tracker app. Results: Sixteen subjects completed data collection …


Health Behaviors Of Athletic Trainers, Zachary K. Winkelmann, Maura E. Shea, Kelcey C. Granger, Lindsey E. Eberman, Kenneth E. Games Oct 2019

Health Behaviors Of Athletic Trainers, Zachary K. Winkelmann, Maura E. Shea, Kelcey C. Granger, Lindsey E. Eberman, Kenneth E. Games

Journal of Sports Medicine and Allied Health Sciences: Official Journal of the Ohio Athletic Trainers Association

Purpose: Health behaviors, such as diet, tobacco, and physical activity, may serve to prevent disease and promote wellness throughout the population including athletic trainers (AT). Good health behaviors act as disease prevention measures to decrease prevalence of pathologies. Hours of sleep, substance use, nutritional intake, and physical activity are behaviors that may impact the health of athletic trainers (AT). The objective of the study was to describe health behaviors of ATs in comparison to the general population and recommended behaviors. Methods: We used a cross-sectional, web-based survey of clinically practicing ATs recruited from the National Athletic Trainers’ Association member database. …


Determining The Effectiveness Of Core Strengthening Exercise Therapies In Treating Nonspecific Low Back Pain: A Critically Appraised Topic, Amanda King, Andrea Cripps Oct 2019

Determining The Effectiveness Of Core Strengthening Exercise Therapies In Treating Nonspecific Low Back Pain: A Critically Appraised Topic, Amanda King, Andrea Cripps

Journal of Sports Medicine and Allied Health Sciences: Official Journal of the Ohio Athletic Trainers Association

CLINICAL SCENARIO: Nonspecific low back pain is a condition which impacts athletes of all calibers and sports. It has been found that a total of 68% of top athletes from multiple sports have been affected by nonspecific low back pain at some point in their career. Clinicians have discussed that tight hamstrings and weak core muscles are a major cause of nonspecific low back pain. A myriad of program exist to reduce nonspecific low back pain caused from hamstring tightness, however a standardized rehabilitation protocol for strengthening the core muscles to reduce nonspecific low back pain is not as well …


Energy Cost Of Land And Shallow Water Walking In Females Who Are Overweight And Obese, Jacquelyn N. Zera, Elizabeth F. Nagle, Bethany B. Gibbs, John P. Abt, John M. Jakicic Sep 2019

Energy Cost Of Land And Shallow Water Walking In Females Who Are Overweight And Obese, Jacquelyn N. Zera, Elizabeth F. Nagle, Bethany B. Gibbs, John P. Abt, John M. Jakicic

International Journal of Aquatic Research and Education

Nineteen overweight or obese females completed three 10-minute experimental trials including a self-selected pace shallow water walking trial, a matched heart rate response land walking trial, and a self-selected pace land walking trial. Energy expenditure (kcal·min-1)was computed from expired gases assessed via indirect calorimetry. Results showed energy expenditure was lower (p= 0.046) during shallow water walking (6.46 ± 1.38 kcal·min-1) compared to matched heart rate response land walking trial (7.26 ± 1.29 kcal·min-1), with no significant difference in between shallow water and self-selected pace land walking (6.92 ± 1.61 kcal·min-1). …


Integrative Neuromuscular Training In Young Athletes, Injury Prevention, And Performance Optimization: A Systematic Review, Borja Sañudo, Juan Sánchez-Hernández, Mario Bernardo-Filho, Ellie Abdi, Redha Taiar, Javier Núñez Sep 2019

Integrative Neuromuscular Training In Young Athletes, Injury Prevention, And Performance Optimization: A Systematic Review, Borja Sañudo, Juan Sánchez-Hernández, Mario Bernardo-Filho, Ellie Abdi, Redha Taiar, Javier Núñez

Publications

The aim of this systematic review was to evaluate the current evidence by assessing the effectiveness of integrative neuromuscular training programs in injury prevention and sports performance in young athletes. Different data sources were analyzed up to January 2018. Eligible studies contained information on population (young athletes), intervention (neuromuscular training), comparator (control group or another exercise intervention), outcomes (injury prevention or sport performance), and study design (randomized trials or prospective studies). The trials were restricted based on the language (English) and for publication date (after 1 January 2007). Fourteen randomized controlled trials were included: Seven included dynamic stability-related outcomes. Three …


Learning From Incidents To Reduce The Risk Of Drowning In Swimming Pools: Implementation Of Experience-Based Feedback Regarding Near-Misses In Four Public Facilities In France, Élie Vignac, Pascal Lebihain, Bastien Soulé Sep 2019

Learning From Incidents To Reduce The Risk Of Drowning In Swimming Pools: Implementation Of Experience-Based Feedback Regarding Near-Misses In Four Public Facilities In France, Élie Vignac, Pascal Lebihain, Bastien Soulé

International Journal of Aquatic Research and Education

The prevention of sports accidents must rely on a detailed knowledge of accident circumstances and risk factors. Today, very few studies have investigated in depth non-fatal drowning incidents that have occurred in public swimming pools (PSP). Learning from incidents seems likely to advance the knowledge of accident scenarios. This research study aimed to capture minor incidents that might identify safety lessons and preventive measures. Incidents of minor and major aquatic events were collected from four PSPs that had hosted 700,000 bathers per year. About 800 incidents and 300 aquatic rescues performed by lifeguards were recorded within a time frame of …


Emg Analysis Of The Neuromuscular Activity During Sit-To-Stand From Different Height Chairs In Water, Antonio Cuesta-Vargas Sep 2019

Emg Analysis Of The Neuromuscular Activity During Sit-To-Stand From Different Height Chairs In Water, Antonio Cuesta-Vargas

International Journal of Aquatic Research and Education

The purpose of this study was to use surface electromyography to measure the muscular activity during the sit-to-stand task in water and compare it at three different chair heights. Ten healthy young adults [5 males and 5 females (mean ± SD): age, 22.0 ± 3.1 yr; height, 172.8 ± 9.0 cm; body mass, 63.9 ± 17.2 kg] were recruited for study. We used a telemetry EMG system on the following muscles on the right side of the body: quadriceps (vastus medialis and rectus femoris), long head of the biceps femoris, tibialis anterior, gastrocnemius medialis, soleus, rectus abdominis, and erector spinae). …


Analysis Of Cognitive Abilities In Female Swimmers, Nora Bekendam Ph.D., German Diaz Ph.D., Oscar García Ph.D. Sep 2019

Analysis Of Cognitive Abilities In Female Swimmers, Nora Bekendam Ph.D., German Diaz Ph.D., Oscar García Ph.D.

International Journal of Aquatic Research and Education

This study compared the differences in spatial relations, spatial ability, and reasoning ability between female swimmers and sedentary people. Fifty-eight participants (24 swimmers and 34 sedentary females) were recruited to complete the PMA E & R tests (Primary Mental Ability Test) and the DAT-SR test (Differential Aptitude Test). Findings indicated that swimmers scored higher in spatial relations, spatial ability, and reasoning ability. The practice of competitive swimming appears to have a positive relationship with the spatial relation, spatial ability and reasoning ability.


Effect Of Aquatic Exercise On Fatigue, Fitness, Arm Edema, Levels Of Distress, And Quality Of Life Among Breast Cancer Survivors, Ellen Broach, Phillip Norrell Sep 2019

Effect Of Aquatic Exercise On Fatigue, Fitness, Arm Edema, Levels Of Distress, And Quality Of Life Among Breast Cancer Survivors, Ellen Broach, Phillip Norrell

International Journal of Aquatic Research and Education

The purpose of this study was to evaluate the effect of a recreational therapy aquatic intervention on physical and psychosocial performance of breast cancer survivors. Eligible participants were assigned to either a water exercise group or a control group who received standard care treatment for breast cancer. The intervention group attended aquatic exercise sessions three times per week for eight weeks in a heated outdoor pool. Sessions lasted 50 minutes in duration. The aquatic exercise group significantly improved their endurance, body mass, level of distress, and total score for fatigue. No significant differences occurred in the control group. Social validity …


Perceptions And Motivation Toward Water Safety And Aquatic Activities In College Students, Jorge Olaves, Ezzeldin R. Aly, Asherah N. B. Allen, Maria Okeke Sep 2019

Perceptions And Motivation Toward Water Safety And Aquatic Activities In College Students, Jorge Olaves, Ezzeldin R. Aly, Asherah N. B. Allen, Maria Okeke

International Journal of Aquatic Research and Education

As individuals reach adulthood there is a substantial reduction of participation in physical activities. Quality instruction in various physical activities, more specifically aquatics, are beneficial to an individual’s health and career. This current study examined college student’s perceptions and motivations towards the impact of aquatic instruction and water safety skills. Participants included 265 college students between the ages of 19 and 30 years old (n = 147 males, n = 118 females), enrolled in aquatic-related courses at two Historically Black Colleges and Universities (HBCUs). Researchers used a mixed-method approach where the findings indicated that 72% of the participants reported the …


The Assessment Of Swimming And Survival Skills: Is Your Programme Fit For Its Purpose?, Paolo Di Paola Aug 2019

The Assessment Of Swimming And Survival Skills: Is Your Programme Fit For Its Purpose?, Paolo Di Paola

International Journal of Aquatic Research and Education

Assessment of swimming and survival skills is a crucial part of any swimming and lifesaving programme. Unfortunately, quite often, it is also the weakest part of the programme itself. Inadequate skills assessment and verification might lead to ineffective skills acquisition and development, to a false sense of safety and over confidence in the water that can be extremely dangerous. Assessor experience and observation skills, assessment methodology, and criteria are all closely inter-linked and their interaction will somehow determine the assessment outcomes. Our paper analyses some of the current issues in these areas of the assessment process, such as assessor’s lack …


First Responders' Narratives Of Drowning: Perceptions Of Family And Community Impacts And Policy Implications, John Wells Phd, Michael Bergin Phd, John Connolly B.Ed., Ma In Ed., Suzanne Denieffe Phd Aug 2019

First Responders' Narratives Of Drowning: Perceptions Of Family And Community Impacts And Policy Implications, John Wells Phd, Michael Bergin Phd, John Connolly B.Ed., Ma In Ed., Suzanne Denieffe Phd

International Journal of Aquatic Research and Education

This is an exploratory study of the impacts of drowning death on local communities and families in the Republic of Ireland as perceived by first responders. The impact of a death may be particularly stressful. The identified population of interest were members of the Garda and first responders from Community Rescue Boats Ireland. The principal data collection method was one-to-one narrative interviews followed by a focus group. Questioning involved asking interviewees to talk about specific events rather than providing general opinions. Community identity was a source of impact, an urban or rural setting was a significant factor, social media was …


The Relationship Of Motivational Climates, Mindsets, And Goal Orientations To Grit In Male Adolescent Soccer Players, Erin Albert, Trent A. Petrie, E. Whitney G. Moore Aug 2019

The Relationship Of Motivational Climates, Mindsets, And Goal Orientations To Grit In Male Adolescent Soccer Players, Erin Albert, Trent A. Petrie, E. Whitney G. Moore

Kinesiology, Health and Sport Studies

Across a variety of domains, such as in academics and in the military, grit is a significant predictor of performance, even after controlling for dimensions of innate ability. However, little is known about how grit develops or the psychosocial factors that may contribute to its presence (i.e. motivational climates, mindsets, and goal orientations). Although sport is a natural context in which to examine grit, both as a predictor and an outcome, few studies have done so. Thus, within the framework of achievement motivation theory, we examined the relationships of the perceived motivational climate created by coaches (task-involving vs. ego-involving), athletes’ …


Measures Of Fluid Loss During Surfing: A Preliminary Analysis In Recreational Surfers, Rudi A. Meir, Zachary James Crowley-Mchattan Dr, Lyndon O. Brooks, Blake Duncan, Christian Gorrie, Jeremy Sheppard Aug 2019

Measures Of Fluid Loss During Surfing: A Preliminary Analysis In Recreational Surfers, Rudi A. Meir, Zachary James Crowley-Mchattan Dr, Lyndon O. Brooks, Blake Duncan, Christian Gorrie, Jeremy Sheppard

International Journal of Aquatic Research and Education

Surfing is a popular sport, but little is known about the extent to which recreational surfers experience fluid loss from this activity. The principal objective of this research was to estimate fluid loss during a surfing session through changes in pre- to post-session urine color (Ucol), urine osmolality (Uosm), and body mass (BM). Data were collected from 11 recreational surfers across 14 surf sessions conducted under various environmental (mean water temperature = 22.1 SD ± 2.3; range = 20-26oC; air temperature range = 13.1-31.5oC; relative humidity range = 37.5-88.1%) and surfing conditions (e.g. winter/summer, wave type, …


From Treading Water To Swimming Uphill: A Comprehensive And Innovative Assessment Program For Teaching Swimming In Belgian Primary Schools., Filip Roelandt Aug 2019

From Treading Water To Swimming Uphill: A Comprehensive And Innovative Assessment Program For Teaching Swimming In Belgian Primary Schools., Filip Roelandt

International Journal of Aquatic Research and Education

According to the World Health Organization (WHO), every child should learn to swim as a recognised life skill. Which swimming skill or stroke to learn first is not the most important question. What is important is to teach children to learn tasks or techniques which allow them to they feel safe. Emphasizing foundational principles of motor development and focusing on safety in and around the water are paramount. Beginning in 2016 school swimming lessons in Flanders (Belgium) were given a new focus in all educational institutions. Foundational competence tasks replaced the focus on acquiring competitive swimming strokes as the primary …


Head Depth And Head Speed During Competitive Backstroke Ledge Starts, Wesley J. Manz, Joel T. Greenshields, Brian V. Wright, Curtis S. Goss, Benjamin C. Skutnik, Joel M. Stager Aug 2019

Head Depth And Head Speed During Competitive Backstroke Ledge Starts, Wesley J. Manz, Joel T. Greenshields, Brian V. Wright, Curtis S. Goss, Benjamin C. Skutnik, Joel M. Stager

International Journal of Aquatic Research and Education

Recently, a commercially available starting ‘ledge’ designed to reduce foot slippage during the execution of the backstroke start was introduced in competitive swimming. For the purpose of identifying potential safety consequences, the present study investigated the effect of ledge use on head depths, speeds, and distances in backstroke starts of athletes with no prior or only novice familiarity of the ledge. Competitive backstroke starts were performed with and without ledges by high school-aged (14.5 to 19.2 yr, N = 61) swimmers in 1.52 m of water during a closed testing session. A SIMI Reality Motion System in a calibrated space …


Drive For Thinness Predicts Musculoskeletal Injuries In Division Ii Ncaa Female Athletes, Jennifer Scheid, Morgan Stefanik Aug 2019

Drive For Thinness Predicts Musculoskeletal Injuries In Division Ii Ncaa Female Athletes, Jennifer Scheid, Morgan Stefanik

Articles & Book Chapters

The female athlete triad is the interrelation of low energy availability, menstrual dysfunction, and low bone mineral density. Previously, the components of the female athlete triad have been linked to bone stress injuries. The objective of this study was to explore the relationship between drive for thinness, a proxy indicator of low energy availability, and musculoskeletal injuries. Fifty-seven female athletes, from an NCAA Division II college, were followed throughout their respective sport season for musculoskeletal injuries. Women were grouped based on a median split of the drive for thinness score (high drive for thinness (DT) vs. low DT). At the …


Barbell Trajectory And Kinematics During Two International Weightlifting Championships, Aaron J. Cunanan Aug 2019

Barbell Trajectory And Kinematics During Two International Weightlifting Championships, Aaron J. Cunanan

Electronic Theses and Dissertations

Several methods have been used in the scientific literature to study the weightlifting pull. Broadly, these methods are used to measure kinematic or kinetic variables exhibited by the lifter, the barbell, or the lifter-barbell system. However, there is an apparent disconnect between weightlifting research and coaching practice that may reduce the perceived benefits of technique analysis among coaches and present some challenges for coaches who seek to incorporate technique analysis into their coaching practice. Differences and trends in the technique of competitive weightlifting performances are apparent from the available literature. However, there are also gaps in the literature due to …


Validity Of The Polar M430 Among Females Of Varying Fitness Levels, Body Fat Percentage, And Reported Physical Activity, Kevin Earl Miller Aug 2019

Validity Of The Polar M430 Among Females Of Varying Fitness Levels, Body Fat Percentage, And Reported Physical Activity, Kevin Earl Miller

Boise State University Theses and Dissertations

Introduction: The Polar M430 is a heart rate monitor that uses a non-exercise prediction method to predict one’s V̇O2max. Research has revealed that this method will overestimate predicted V̇O2max among females. Studies have investigated the validity of this method, however, these studies have not taken into account how physical activity (PA) levels, body fat percentage, or measured V̇O2max could affect the prediction value. Purpose: The purpose of this study was to investigate the validity of the Polar M430 in predicting V̇O2max amongst females of varying PA levels, body fat percentages, and fitness levels. Methods: Forty-eight …