Medicine and Health Sciences Commons^™

Isometric Hip Strength And Dynamic Stability Of Individuals With Chronic Ankle Instability, Ryan S. Mccann, Brenn A. Bolding, Masafumi Terada, Kyle B. Kosik, Ian D. Crossett, Phillip A. Grobble

Rehabilitation Sciences Faculty Publications

Context: Compared with individuals who have a history of lateral ankle sprain (LAS) without markers of chronic ankle instability (CAI; LAS copers) and healthy people, those with CAI often exhibit neuromuscular impairments and dynamic-stability deficits at the hip. However, the influence of hip-strength deficits on dynamic stability remains unknown.

Objective: To compare isometric hip strength and dynamic stability in individuals with or without CAI and examine the degree of dynamic-stability variance explained by isometric hip strength.

Design: Case-control study.

Setting: Research laboratory.

Patients or Other Participants: Sixty individuals (47 women, 13 men; age = 23.7 +/- 4.6 years, height = …

Inter-Rater Agreement And Validity Of A Tackling Performance Assessment Scale In Youth American Football, Eric Schussler, Richard J. Jagacinski, Susan E. White, Ajit M. Chaudhari, John A. Buford, James A. Onate

Rehabilitation Sciences Faculty Publications

Background: Long term neurologic injury and concussion have been identified as risks from participation in American football. Altering tackling form has been recommended to reduce the risk of neurologic injury caused by head accelerations when tackling. The purpose of this research is to determine the inter-rater agreement and validity of the Qualitative Youth Tackling System (QYTS), a six-item feedback scale to correct tackling form, when utilized by novice and expert raters.

Hypothesis: Experienced raters will have higher levels of agreement with each other and with motion capture when compared to novice raters. Methods: Both novice and experienced raters viewed video …

Athletic Training Student Core Competency Implementation During Patient Encounters, Julie M. Cavallario, Bonnie L. Van Lunen, Johanna M. Hoch, Matthew Hoch, Sarah A. Manspeaker, Shana L. Pribesh

Rehabilitation Sciences Faculty Publications

Context: Health care research evidence suggests that early patient encounters (PEs), as well as the purposeful implementation of professional core competencies (CCs), for athletic training students (ATSs) may be beneficial to their ability to provide care. However, no investigators have related facets of the clinical education experience with CC implementation as a form of summative assessment of the clinical experience.

Objective: To determine the relationship between the frequency and length of PEs, as well as the student's role and clinical site during PEs, and the students' perceived CC implementation during these encounters.

Design: Cross-sectional study.

Setting: Professional athletic training program, …

Postprofessional Athletic Training Students' Perceptions Concerning The Health Care Competencies, Cailee E. Welch Bacon, Bonnie L. Van Lunen, Dorice A. Hankemeier

Rehabilitation Sciences Faculty Publications

Context: Over a decade ago, the Institute of Medicine indicated that all health care professionals should be educated in several health care competency areas (quality improvement, health care informatics, interprofessional education and collaborative practice, evidence-based practice, and patient-centered care). Despite this initiative, athletic training has only recently incorporated these competencies throughout education.

Objective: To assess postprofessional athletic training students' perceived abilities and importance regarding 6 core competencies.

Design: Cross-sectional. Setting: Self-reported paper survey. Patients or Other

Participants: A total of 221 from a convenience sample of 258 postprofessional athletic training students (85.7%) completed the survey (82 males, 138 females; age …

Association Between Vitamin D Status And Testosterone And Cortisol In Ice Hockey Players, John S. Fitzgerald, Joanna Orysiak, Patrick B. Wilson, Joanna Mazur-Różycka, Zbigniew Obinski

Human Movement Sciences & Special Education Faculty Publications

The identification of the vitamin D receptor in tissues related to testosterone and cortisol production, in conjunction with the observed correlations between vitamin D levels and these hormones in the general population, suggest vitamin D may influence testosterone and cortisol concentrations in athletes. A crosssectional study design was used to evaluate the association between 25(OH)D and testosterone and cortisol concentrations in young male ice hockey players (n = 50). All athletes were recruited during October from the Sosnowiec area, Poland (50° N). Commercially available ELISA kits were used to determine total serum 25(OH)D, testosterone and cortisol concentrations. Serum 25(OH)D …

Youth Leisure-Time Physical Activity From The Perspectives Of Young Adults With Visual Impairments, Justin A. Haegele

Human Movement Sciences & Special Education Faculty Publications

The purpose of this study was to examine the meaning that young adults with visual impairments ascribe to their youth leisure-time physical activity experiences. This study adopted an interpretative phenomenological analysis (IPA) research approach. Ten participants (aged 21-34 years; eight women, two men) with visual impairments were included in this study. Semi-structured, audio-taped telephone interviews acted as the primary source of data for this study. Data were analyzed thematically using a four-step process informed by IPA and three interrelated themes were constructed: (a) "I just always felt normal when I was doing them": Preferences for unstructured activities, (b) "They didn't …

The Effect Of Tackling Training On Head Accelerations In Youth American Football, Eric Schussler, Richard J. Jagacinski, Susan E. White, Ajit M. Chaudhari, John A. Buford, James A. Onate

Rehabilitation Sciences Faculty Publications

Background: Many organizations have introduced frameworks to reduce the incidence of football related concussions through proper equipment fitting, coach education, and alteration of tackling technique.

Purpose: The purpose of this study was to examine the effects of training in a vertical, head up tackling style on the number of head accelerations experienced while tackling in a controlled laboratory situation. The authors hypothesized that training in a head up tackling technique would reduce the severity of head acceleration experienced by participants.

Design: Controlled Laboratory Study.

Methods: Twenty-four participants (11.5 ± 0.6 years old, 60.5 ± 2.2 in, 110 ± 18.4 lbs.) …

Normative Functional Performance Values In High School Athletes: The Functional Pre-Participation Evaluation Project, James A. Onate, Cambrie Starkel, Daniel R. Clifton, Thomas M. Best, James Borchers, Ajit Chaudhari, Eric Schussler, Bonnie L. Van Lunen

Rehabilitation Sciences Faculty Publications

Context: The fourth edition of the Preparticipation Physical Evaluation recommends functional testing for the musculoskeletal portion of the examination; however, normative data across sex and grade level are limited. Establishing normative data can provide clinicians reference points with which to compare their patients, potentially aiding in the development of future injury-risk assessments and injury-mitigation programs.

Objective: To establish normative functional performance and limb-symmetry data for high school-aged male and female athletes in the United States.

Design: Cross-sectional study.

Setting: Athletic training facilities and gymnasiums across the United States.

Patients or Other Participants: A total of 3951 male and female athletes …

The Impact Of Rivalry Antecedents On Mediated Demand For An Individual Sport, Lamar Reams, Terry Eddy

Human Movement Sciences & Special Education Faculty Publications

In contrast to research examining the social-psychological aspects of how sport fans perceive rivalry games in team sports, far less is known regarding the impact rivalries have on mediated consumer demand, a marketing outcome of interest to sport researchers and practitioners. Guided by economic demand theory, the current study developed a model to empirically examine the impact of Tyler and Cobbs' (2015) rivalry antecedents (conflict, peer, bias) on fan interest for an individual sport. The three-dimensional framework provided the foundation for the selection of thirteen rivalry-related variables, in addition to control determinants established from prior literature. Results from the estimation …

Comparison Of A Head Mounted Impact Measurement Device To The Hybrid Iii Anthropomorphic Testing Device In A Controlled Laboratory Setting, Eric Schussler, David Stark, John H. Bolte, Yun Seok Kang, James A. Onate

Rehabilitation Sciences Faculty Publications

Background: Reports estimate that 1.6 to 3.8 million cases of concussion occur in sports and recreation each year in the United States. Despite continued efforts to reduce the occurrence of concussion, the rate of diagnosis continues to increase. The mechanisms of concussion are thought to involve linear and rotational head accelerations and velocities. One method of quantifying the kinematics experienced during sport participation is to place measurement devices into the athlete’s helmet or directly on the athlete’s head.

Purpose: The purpose of this research to determine the accuracy of a head mounted device for measuring the head accelerations experienced by …

Epidemiology Of Knee Sprains In Youth, High School, And Collegiate American Football Players, Daniel R. Clifton, James A. Onate, Eric Schussler, Aristarque Djoko, Thomas P. Dompier, Zachary Y. Kerr

Rehabilitation Sciences Faculty Publications

Context: Assessment of health-related quality of life (HRQOL) after injury is important. Differences in HRQOL between nonathletes and athletes and between injured and uninjured athletes have been demonstrated; however, the evidence has not been synthesized.

Objective: To answer the following questions: (1) Does HRQOL differ among adolescent and collegiate athletes and nonathletes? (2) Does HRQOL differ between injured adolescent and collegiate athletes or between athletes with a history of injury and uninjured athletes or those without a history of injury?

Data Sources: We systematically searched CINAHL, MEDLINE, SPORTDiscus, and PubMed. A hand search of references was also conducted. Study Selection: …

The Ability Of The Landing Error Scoring System To Detect Changes In Landing Mechanics: A Critically Appraised Topic, Claire E. Pointer, Tyler D. Reems, Emily M. Hartley, Johanna M. Hoch

Rehabilitation Sciences Faculty Publications

Clinical Question: Is there evidence to suggest that the Landing Error Scoring System (LESS) is able to detect functional changes in landing mechanics in healthy individuals after participation in an injury prevention program (IPP)? Clinical Bottom Line: In a healthy, physically active population, there is strong evidence to support the use of the LESS as an outcome measure for changes in landing mechanics after the implementation of IPPs. Clinicians should consider the LESS as an evaluative tool for measuring the efficacy of IPPs in clinical practice.

Overweight, Obesity, And Screen-Time Viewing Among Chinese School-Aged Children: National Prevalence Estimates From The 2016 Physical Activity And Fitness In China—The Youth Study, Yujun Cai, Xihe Zhu, Xueping Wu

Human Movement Sciences & Special Education Faculty Publications

Purpose: This study presents the most recent estimates of prevalence of overweight, obesity, and screen-time viewing among Chinese school-aged children. Demographic differences in these estimates between sexes and resident locales were also examined.

Methods: Cross-sectional analyses of 116,615 Chinese school children 9 to 17 years of age who participated in the 2016 Physical Activity and Fitness in China—the Youth Study project. Outcomes were the prevalence of children's overweight (body mass index [BMI] ≥ 85th - < 95th percentile) and obesity (BMI ≥95th percentile) (defined by the Working Group on Obesity in China) and not meeting screen-time viewing recommendations (“not meeting” was defined as more than 2 h per day of viewing activities after school). Analyses were conducted on the whole sample and by school grade cohorts (primary, junior middle, junior high schools), sex, and residence locales (urban, rural).

Results: Overall, 14.4% (95% confidence interval (CI): 13.8%-15.0%) of children and adolescents were overweight, 11.9% (95% CI: 11.0%-13.0%) were obese, and 36.8% (95% …

Gopher Fitstep Pro Accuracy When Measuring Steps And Moderate-To-Vigorous Physical Activity, Ali Brian, Justin A. Haegele

Human Movement Sciences & Special Education Faculty Publications

Background: The Gopher FITStep Pro (GFSP) is a commercially available objective physical activity monitor that records steps taken and moderate-to-vigorous physical activity (MVPA).

Objective: The purpose of this study was to evaluate the accuracy of the GFSP for measuring steps taken in a guided walking condition and MVPA during planned fitness activities.

Method: University-aged participants (N = 35, M_age = 20) wore two GFSP (right and left side) pedometers and one ActiGraph GT3X+ accelerometer during both conditions.

Results: Paired samples t-tests determined that self-step counts in the guided walking condition were not significantly different …

Frequency Of Chronic Gastrointestinal Distress In Runners: Validity And Reliability Of A Retrospective Questionnaire, Patrick B. Wilson

Human Movement Sciences & Special Education Faculty Publications

Gastrointestinal (GI) symptoms may affect up to 90% of competitors during endurance races. Studies have typically assessed GI symptoms retrospectively or only over an acute timeframe, and information on the validity and reliability of the questionnaires employed is lacking. This investigation aimed to estimate the frequency of GI distress experienced by runners over 30 days and to establish the validity and reliability of a retrospective GI symptom questionnaire. Runners (70 men, 75 women) recorded GI symptoms with a prospective journal for 30 days. Retrospective GI symptom data were then collected after the 30-day period on two occasions within one week. …

Autologous Blood And Platelet-Rich Plasma Injections In The Treatment Of Achilles Tendinopathy: A Critically Appraised Topic, Cori Sinnott, Hayley M. White, Jennifer W. Cuchna, Bonnie L. Van Lunen

Rehabilitation Sciences Faculty Publications

Clinical Scenario: Achilles tendinopathy is a painful condition commonly affecting the general and athletic population. It presents with localized pain, stiffness, and swelling in the midportion of the Achilles tendon. The physical stress placed on the tendon results in microtrauma, which leads to subsequent inflammation and degeneration. While it is not surprising that this condition affects the physically active, nearly one-third of Achilles tendinopathy cases occur in sedentary individuals. Etiology for this condition stems from a change in loading patterns and/or overuse of the tendon, resulting in microscopic tearing and degenerative changes. There are numerous causes contributing to the …

Sagittal Plane Gait Kinematics In Individuals With Chronic Ankle Instability, Matthew C. Hoch, David R. Mullineaux, Kyoungkyu Jeon, Patrick O. Mckeon

Rehabilitation Sciences Faculty Publications

Single joint kinematic alterations have been identified during gait in those with chronic ankle instability (CAI). The purpose of this study was to compare sagittal plane hip, knee, and ankle kinematics during walking in participants with and without CAI. Twelve individuals with CAI and 12 healthy individuals walked on a treadmill at 1.5 m/s. Three-dimensional kinematics were analyzed using mean ensemble curves and independent t tests. Participants with CAI demonstrated less lower extremity flexion during the absorption phase of stance and the limb placement phase of swing, which may have implications for limb placement at initial contact.

Examining The Role Of Price Fairness In Sport Consumer Ticket Purchase Decisions, Stephen L. Shapiro, Brendan Dwyer, Joris Drayer

Human Movement Sciences & Special Education Faculty Publications

Ticket pricing in professional sports is transitioning from a cost-based to demand-based approach. It has been argued that consumer perceptions of fairness regarding demand-based ticket pricing could influence purchase decisions. Perceptions of unfair pricing practices can lead to dissatisfaction and negatively affect purchase behavior. However, familiarity with demand-based pricing strategies could mitigate perceptions that real-time price fluctuations are unfair to the consumer. Guided by transaction utility theory, the current study examined the relationship between various ticket offers, consumer perceptions of fairness, familiarity, and intentions to purchase professional sports tickets. The findings support previous theory suggesting perceptions of fairness and purchase …

Sport Commitment And Purchase Intentions Of Intercollegiate Boxing Coaches And Participants, Lamar Reams

Human Movement Sciences & Special Education Faculty Publications

The current study analyzed the sport commitment and purchase intentions of club level intercollegiate boxers and coaches. Participants at United States Intercollegiate Boxing Association ( USIBA) member institutions ( N = 155) completed an online survey answering questions regarding their sport commitment and future equipment purchase intentions. Multivariate analysis discovered significant sport commitment differences among boxers and coaches, Wilk's Lambda =.838, F ( 7, 125) = 3.46, p

Examining Consumer Perceptions Of Demand-Based Ticket Pricing In Sport, Stephen L. Shapiro, Joris Drayer, Brendan Dwyer

Human Movement Sciences & Special Education Faculty Publications

Dynamic ticket pricing (DTP), a new revenue management (RM) strategy in sport, has grown in popularity in response to the demand-based ticket resale market. Previous research has examined the relationship between the primary and secondary ticket market and determinants of price in a DTP environment. However, research has not focused on consumer perceptions of DTP or resale prices. The purpose of this study was to examine consumer perceptions of demand-based pricing over time, to assess the influence of attitudes on perceived value and purchase intentions. Results indicated that time, team performance expectations, fairness perceptions, seat location, and ticket market influenced …

Physical Activity And Situational Interest In Mobile Technology Integrated Physical Education: A Preliminary Study, Xihe Zhu, Loren A. Dragon

Human Movement Sciences & Special Education Faculty Publications

Background: Mobile technology permeates every aspect of student lives. The question is whether mobile technology integration can produce desirable effects in the gymnasium.

Objective: This preliminary study aimed to investigate the effects of mobile technology integration on student situational interest and physical activity fluctuation in physical education lessons.

Methods: Sixth grade students (N = 53) were randomly placed into either an experiment group by class that utilized mobile technology-integrated resources (iPad and applications), or a comparison group that did not utilize technology. Both groups received five identical physical education lessons. Student physical activity was tracked with accelerometers, and they completed …

Health-Related Quality Of Life In Athletes: A Systematic Review With Meta-Analysis, Megan N. Houston, Matthew C. Hoch, Johanna M. Hoch

Rehabilitation Sciences Faculty Publications

Context: Assessment of health-related quality of life (HRQOL) after injury is important. Differences in HRQOL between nonathletes and athletes and between injured and uninjured athletes have been demonstrated; however, the evidence has not been synthesized.

Objective: To answer the following questions: (1) Does HRQOL differ among adolescent and collegiate athletes and nonathletes? (2) Does HRQOL differ between injured adolescent and collegiate athletes or between athletes with a history of injury and uninjured athletes or those without a history of injury?

Data Sources: We systematically searched CINAHL, MEDLINE, SPORTDiscus, and PubMed. A hand search of references was also conducted.

Study Selection: …

The Effectiveness Of Whole-Body-Vibration Training In Improving Hamstring Flexibility In Physically Active Adults, Megan N. Houston, Victoria Hodson, Kelda K. E. Adams, Johanna M. Hoch

Human Movement Sciences & Special Education Faculty Publications

Clinical Scenario: Hamstring tightness is common among physically active individuals. In addition to limiting range of motion and increasing the risk of muscle strain, hamstring tightness contributes to a variety of orthopedic conditions. Therefore, clinicians continue to identify effective methods to increase flexibility. Although hamstring tightness is typically treated with common stretching techniques such as static stretching and proprioceptive neuromuscular facilitation, it has been suggested that whole-body-vibration (WBV) training may improve hamstring flexibility. Clinical Question: Can WBV training, used in isolation or in combination with common stretching protocols or exercise, improve hamstring flexibility in physically active young adults? Summary of …

Preparation Of The Professional Athletic Trainer: A Descriptive Study Of Undergraduate And Graduate Degree Programs, Julie M. Cavallario, Bonnie L. Van Lunen

Rehabilitation Sciences Faculty Publications

Context: The examination of the appropriate professional degree for preparation as an athletic trainer is of interest to the profession. Descriptive information concerning universal outcomes is needed to understand the effect of a degree change.

Objective: To obtain and compare descriptive information related to professional athletic training programs and a potential degree change and to determine if any of these factors contribute to success on existing universal outcome measures.

Design: Cross-sectional study.

Setting: Web-based survey.

Patients or Other Participants: We contacted 364 program directors; 178 (48.9%; 163 undergraduate, 15 postbaccalaureate) responded.

Intervention(s): The survey consisted of 46 questions: 45 questions …

Tracking Energy Balance In Adolescents: Levels Of Compliance, Energy Flux, And Learning, Senlin Chen, Xihe Zhu, Gregory J. Welk, Youngwon Kim

Human Movement Sciences & Special Education Faculty Publications

Background/Objective: Advancing knowledge about energy balance (EB) is important for helping to reverse the obesity epidemic in many modern societies. This study examined adolescents' experience and perception of using an objective self-monitoring tool (SenseWear armband; SWA) and a portable diet journal to track EB for 7 days.

Methods: Forty-five 6th grade students in a midwestern state of the United States [Caucasian: n = 34, 76%; age: 11.7 ± 1.8 years; body mass index (BMI): 20.84 ± 3.94] participated in the study. The SWA, diet journal, and semistructured individual interview were used to measure energy expenditure (EE) and physical activity (PA), …

Contributors And Constraints To Involvement With Youth Sports Officiating, Lynn Ridinger

Human Movement Sciences & Special Education Faculty Publications

There is a growing concern about the shortage of sports officials and its impact on organized youth sport. The purpose of this study was to gain a better understanding of psychosocial factors that impact involvement with youth sports officiating by comparing and contrasting the experiences of officials from two distinct sports. In-depth interviews were conducted with baseball umpires and lacrosse officials. Resulting themes were classified as either contributors or constraints to involvement with officiating. The most striking difference between the two groups was the support provided in terms of mentorship, training, and administrative consideration. The baseball umpires received greater support …

Patient-Reported Outcomes In Male And Female Collegiate Soccer Players During An Athletic Season, Johanna M. Hoch, Beth Druvenga, Brittany A. Ferguson, Megan N. Houston, Matthew C. Hoch

Rehabilitation Sciences Faculty Publications

Context: Clinicians are urged to document patient-based outcomes during rehabilitation to measure health-related quality of life (HRQOL) from the patient's perspective. It is unclear how scores on patient-reported outcome instruments (PROs) vary over the course of an athletic season because of normal athletic participation.

Objective: Our primary purpose was to evaluate the effect of administration time point on HRQOL during an athletic season. Secondary purposes were to determine test-retest reliability and minimal detectable change scores of 3 PROs commonly used in clinical practice and if a relationship exists between generic and region-specific outcome instruments.

Design: Cross-sectional study.

Setting: Athletic facility. …

Patient-Reported Outcome Measures In Individuals With Chronic Ankle Instability: A Systematic Review, Megan N. Houston, Johanna M. Hoch, Matthew C. Hoch

Rehabilitation Sciences Faculty Publications

Context: A comprehensive systematic literature review of the health-related quality-of-life (HRQOL) differences among individuals with chronic ankle instability (CAI), ankle-sprain copers, and healthy control participants has not been conducted. It could provide a better indication of the self-reported deficits that may be present in individuals with CAI.

Objective: To systematically summarize the extent to which HRQOL deficits are present in individuals with CAI.

Data Sources: We searched for articles in the electronic databases of EBSCO Host and PubMed Central using key words chronic, functional, mechanical, coper, instability, sprains, and patient-assessed. We also performed a hand search of reference lists, authors, …

Perceptions Of Support Networks During The Graduate Assistant Athletic Trainer Experience, Stephanie M. Mazerolle, Stephanie Clines, Christianne M. Eason, William A. Pitney

Rehabilitation Sciences Faculty Publications

Context: The graduate-assistant position can be a highly influential experience because it is often the first time novice athletic trainers (ATs) are practicing autonomously.

Objective: To gain an understanding of how graduate-assistant ATs (GAATs) perceive professional socialization and mentorship during their assistantships.

Design: Semistructured phone interviews. Setting: Graduate-assistant ATs in various clinical settings.

Patients or Other Participants: Twenty-five GAATs (20 women, 5 men) studying in 1 of 3 academic tracks (postprofessional athletic training = 8, athletic training-based curriculum = 11, non-athletic training-based curriculum = 6). Median age was 24 years.

Data Collection and Analysis: Phone interviews were digitally recorded and …

On-Field Signs And Symptoms Associated With Recovery Duration After Concussion In High School And College Athletes: A Critically Appraised Topic, Jaebin Shim, Deanna H. Smith, Bonnie Van Lunen

Rehabilitation Sciences Faculty Publications

Clinical Scenario: Over the past decade, sport-related concussions have received increased attention due to their frequency and severity over a wide range of athletics. Clinicians have developed return-to-play protocols to better manage concussions in young athletes; however, a standardized process projecting the length of recovery time after concussion has remained an elusive piece of the puzzle. The recovery times associated with such an injury once diagnosed can last anywhere from 1 wk to several months. Risk factors that could lead to protracted recovery times include a history of 1 or multiple concussions and a greater number, severity, and duration of …