Kinesiology Commons^™

Balance Inefficiencies In Athletes With Lower Extremity Surgeries, Susannah Arnn, Gannon Connelley, Terrence Murray

Scholars Day Conference

The purpose of this study is to observe the initial difference in the balance of athletes with and without lower extremity surgeries; and determine whether a simple balance intervention is impactful. After four weeks of this program, we will determine if the volunteers’ balance has remained the same, progressed, or declined and if the athlete has overcompensated in the injured extremity.

The Influence Of Strength And Power Training On The Performance Of U.S. Marines, Kristopher J. Klein

Master of Science in Kinesiology

U.S. Marine Infantry conducts a job that requires strength, speed, and endurance; however military fitness training relies mainly on the endurance aspect. With numerous studies showing the correlation between an endurance mainstay within military organizations, and musculoskeletal and joint overuse injuries, this study seeks to understand the performance value in training the anaerobic energy systems. Specifically, we aim to determine whether strength and power training may be more beneficial to the tactical athlete than traditional training. Over a period of 12 weeks, 150 members of the U.S. Marine Infantry will participate in training five days a week with three days …

Reliability Of Popliteal Artery Flow-Mediated Dilation In The Seated Position, Taskina Akhter

Rehabilitation Sciences Theses & Dissertations

Flow-mediated dilation (FMD) is a noninvasive measurement of endothelial function, which is a useful prognostic tool for cardiovascular disease risk. Despite its widespread use since 1992, the reproducibility of FMD varies widely between studies. This variability in reproducibility is especially significant in the case of the popliteal artery due to different methodological approaches. Studies perform popliteal FMD in various body positions, with the prone and seated positions most common. However, no studies have examined the reproducibility of both the seated and prone positions of the popliteal artery FMD. Therefore, the aim of this study is to examine the test-retest and …

Lower Body Gait Variability As A Distinguishing Feature In Humans, Tyler M. Wiles, Seung Kyeom Kim, Nick Stergiou, Aaron D. Likens

UNO Student Research and Creative Activity Fair

Most humans have a fingerprint that is unique and persists throughout life. The same may be true for gait. Each person is unique physiologically and biomechanically, and has experienced a unique progression of life including injuries, habits, hobbies, or lifestyles that all contribute to navigating the world. Those individualized experiences, whether intended or not, are potentially on display in gait. We hypothesized that there are gait characteristics intrinsic and unique to everyone, so that everyone has a unique “gaitprint”, similar to humans possessing unique fingerprints. To test our hypothesis, we recruited thirty healthy young adults between the ages 19-35 as …

Functional Outcomes Of Noninvasive Sensory Feedback In Upper Limb Prostheses: A Meta-Analysis, Libby Caldwell

UNO Student Research and Creative Activity Fair

Noninvasive sensory feedback applies vibration or pressure to the residual limb and is thought to improve the functionality of upper limb prostheses. However, the efficacy of this approach has not been sufficiently investigated, particularly regarding actual amputee efficacy. The purpose of this study was to evaluate the functional benefits of noninvasive sensory feedback in upper limb prostheses through a meta-analysis. Electronic databases (MEDLINE, Web of Science, and PubMed) were searched up to October 2022 using the following search terms: (prosthesis OR prosthetic) AND (hand OR arm OR forearm OR transradial OR “upper limb” OR “upper extremity) AND (tactile OR haptic …

Walking With A Load On Wheels: Potential Effects Of Bidirectional Springs On Walking Economy, Hiva Razavi, Philippe Malcolm

UNO Student Research and Creative Activity Fair

Walking with a Load on Wheels: Potential Effects of Bidirectional Springs on Walking Economy

Have you ever noticed how your arms alternatively flex and extend when pushing a heavy shopping cart? Accelerating and decelerating heavy masses, such as a shopping cart, can require much effort. During walking, we alternatively accelerate and decelerate our Center of Mass (COM) in every gait cycle, which can require even more effort if we accelerate and decelerate a load while walking. Theoretically, this effort can be reduced by timing the acceleration and deceleration of the load's mass opposite to the individual's COM. Previous studies have …

Inter-Joint Variability And Age-Related Changes In Human Walking, Mehrnoush Haghighatnejad, Tyler Wiles, Seung Kyeom Kim, Aaron Likens, Nicholas Stergiou

UNO Student Research and Creative Activity Fair

Inter-Joint Variability and Age-Related Changes in Human Walking

Mehrnoush Haghighatnejad¹*, Tyler M. Wiles¹, Seung Kyeom Kim¹, Nick Stergiou^1,2, Aaron D. Likens¹

¹Department of Biomechanics, University of Nebraska at Omaha

²Department of Physical Education and Sport Science, Aristotle University, Thessaloniki, Greece

*Corresponding author’s email: mhaghighatnejad@unomaha.edu

Presentation Preference: Poster

Humans routinely perform a variety of activities such as walking, running, driving, and typing, all of which require coordination among different body joints. For instance, walking and running involve rhythmic movements of the arms and legs. The involvement of the upper …

Negative Impact Of Aging On Gait Autocorrelation: A Mixed-Effects Analysis Of Stride Interval Dynamics, Theodore Deligiannis, Tyler M. Wiles, Seung Kyeom Kim, Nikolaos Stergiou, Aaron Likens

UNO Student Research and Creative Activity Fair

NEGATIVE IMPACT OF AGING ON GAIT AUTOCORRELATION: A MIXED-EFFECTS ANALYSIS OF STRIDE INTERVAL DYNAMICS

Theodore A. Deligiannis^1*, Tyler M. Wiles¹, Seung Kyeom Kim¹, Nick Stergiou^1,2, Aaron D. Likens¹

¹Department of Biomechanics, University of Nebraska at Omaha

*Corresponding author’s email: tdeligiannis@unomaha.edu

Presentation preference: Podium

Traditional gait metrics, like speed, cadence, coordination, as well as non-linear measures, appear related to Timed Up and Go (TUG). Timed Up and Go is a clinical measurement related to physical, socioeconomic, and psychological parameters, as well as overall health. TUG can be used as a health …

Determining The Barriers To The Use Of Post-Match Fatigue Monitoring In The Rugby Codes: A Concept Mapping Study., Mitch Naughton, Tannath Scott, Dan Weaving, Scott Mclean, Colin Solomon

Topics in Exercise Science and Kinesiology

Topics in Exercise Science and Kinesiology Volume 5: Issue 1, Article 3, 2024. The rugby codes (i.e., rugby union, rugby league, rugby sevens [termed ‘rugby’]) are team-sports that impose complex physical demands upon players which in-turn, leads to domain-specific fatigue (e.g., neuromuscular, cardio-autonomic). Quantifying post-match fatigue through various methods and metrics is important to monitor player fatigue status, which influences training readiness. The specific and general barriers limiting the use of post-match fatigue monitoring in rugby are not presently known. Therefore, the aims of this study were to identify specific and general barriers (clusters of specific barriers) to the use …

Integrating Cannabis Education Into The Athletic Training Curriculum, Jeff G. Konin, Jimmy Onate

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

Context. Cannabis has become more prevalent in society and requires greater knowledge on the part of the athletic trainer. Objective. The purpose of this paper is to provide a framework for recognizing how cannabis education can be integrated into the athletic training curriculum utilizing the existing accreditation standards. Background. For decades the use of cannabis has been illegal. Athletes who were caught with cannabis in their system were penalized by their respective e sport organization body. During the past decade in the United States the federal government has moved toward decriminalization and expungement for those found with and …

Breaking Barriers And Building Confidence: Interprofessional Education's Impact On Allied Health Students' Competence And Self-Efficacy In Addressing Exercise Accessibility For People With Disabilities, Elizabeth A. Starns, Rebecca Wehler, Lindsay A. Church, Stephanie Kubiak

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

Purpose: The researchers’ objective was to evaluate the effectiveness of an interprofessional educational (IPE) program on student learning while addressing exercise accessibility barriers experienced by people living with disabilities (PLWD), including allied health professionals’ lack of practical experience, knowledge, and perceived competence and comfort working with PLWD in a fitness setting. Method: A qualitative explanatory single case study approach utilizing individual interviews was used. The individual interviews that explored how a collaboration between allied health students influenced learning, perceived comfort, and perceived competence working with PLWD were audio-recorded, transcribed verbatim and thematically analyzed. Results: Four major themes emerged: collaboration, comfort, …

Tail Stand Supplementary Data, David Kramer, Frank E. Fish

Biology Data Repository

Dataset of flexibility of flukes related to tail stand effort of bottlenose dolphins (Tursiops truncatus)

Acute Ingestion Of Dark Chocolate Fails To Affect Running Economy In Recreational Female Runners, Bianca J. De Lucia, Beau Kjerulf Greer, Christopher B. Taber

Topics in Exercise Science and Kinesiology

Topics in Exercise Science and Kinesiology Volume 5: Issue 1, Article 1, 2024. Ingestion of dark chocolate (DC), a dietary source high in flavanols, may increase nitric oxide bioavailability. Elevating blood nitric oxide concentrations may augment metabolic efficiency by reducing the amount of oxygen or energy needed to perform a given task. Utilizing a crossover design, the purpose of this study was to investigate the effect of acute ingestion of DC on running economy (RE). Nineteen recreationally trained females (age: 20±1 years) volunteered for this investigation, with 16 completing all procedures (n = 16). Two-hours before RE assessment, participants consumed …

Spin Turns, Frank E. Fish

Biology Data Repository

Dataset of spin leaps of cetaceans determined by moment of inertia.

Acute Ingestion Of Dark Chocolate Fails To Affect Running Economy In Recreationally Trained Female Runners, Bianca De Lucia, Beau K. Greer, Christopher B. Taber

PTHMS Graduate Publications

Ingestion of dark chocolate (DC), a dietary source high in flavanols, may increase nitric oxide bioavailability. Elevating blood nitric oxide concentrations may augment metabolic efficiency by reducing the amount of oxygen or energy needed to perform a given task. Utilizing a crossover design, the purpose of this study was to investigate the effect of acute ingestion of DC on running economy (RE). Nineteen recreationally trained females (age: 20±1 years) volunteered for this investigation, with 16 completing all procedures (n = 16). Two-hours before RE assessment, participants consumed either 42.5 g of DC or an isocaloric amount of white chocolate (WC) …

Influence Of Maximal Strength On Joint-Specific Function And Coordination Across Stretch-Shortening Cycle Task Demands, Michael H. Haischer

Dissertations (1934 -)

Jumping involves the stretch-shortening cycle (SSC) and is a familiar movement in many sports. More explosive jumping may provide a competitive advantage, but the biomechanics that relate to optimal SSC utilization for performance are not well understood. Furthermore, while strength relates to better jump performance and may facilitate mechanisms like joint stiffness that benefit SSC utilization, how strength impacts adjustments to biomechanics and locomotor functional roles of the lower extremity joints under different SSC demands has not been established. Therefore, the purpose of this dissertation was to investigate how strength influences biomechanics and functional roles of the ankle, knee, and …

Characterization Of Adipocyte Mechanical Properties And Stretch Control Of Mechanosignaling In Adipocytes, Tasneem Bouzid

Dissertations and Doctoral Documents from University of Nebraska-Lincoln, 2023–

Obesity has reached global epidemic levels in recent decades and is the leading risk factor for type-2 diabetes (T2D). Adipose tissue behaves as a link between obesity and T2D, with dysfunctional extracellular matrix (ECM) remodeling, adipokine secretion and lipid metabolism leading to insulin resistance. The extracellular mechanophysical milieus is understood to regulate adipocyte differentiation and function through activation of mechanosensory machinery and related pathways. Therefore, exploring the adipocytic response to mechanical loading can provide great pathophysiological insight into obesity and T2D. Adipose tissue is exposed to various compound forces due to weight-bearing and movement, and adipocyte stiffness influences stress distribution …

The Effect Of Step Rate Training On Running Economy And Biomechanics, Nahir Negron-Fernandez

All NMU Master's Theses

It is known that running economy is a determinant of running performance. Increased step rate has been correlated with improved running economy, but it is unknown whether these improvements can be maintained with chronic training. The purpose of this study was to determine if a step rate training intervention improves running economy and improves lower body kinetic factors in distance runners. Nine participants were randomly assigned to either an intervention group (n = 7) undergoing a 6-week supplemental training program, or a non-training control group (n = 2). The intervention group trained three times a week, running at a higher …

Exploring Aging Using The Selection, Optimization, And Compensation (Soc) Framework In Conjunction With Kinematic Gait And Verbal Fluency Task Analysis In Healthy Adults, Emily Ann Chavez

Open Access Theses & Dissertations

This multi-study dissertation examined dual-task performance in young and middle-aged adults using verbal fluency tasks (VFT) during different walking scenarios (baseline, performing a VFT, walking narrowly, and performing a VFT while walking narrowly) as well as the Selection, Optimization, and Compensation (SOC) model. Thirty adults (15 young adults (YA; 19-44 years) and 15 middle-aged adults (MA; 45-65 years) participated in this study. Overall, there were no significant differences between groups when data was examined in short (means of means approach) and long-form (incorporating all data), when analyzing clustering and switching strategies, gait speed variability, or dual-task costs. Overall, these three …

Head Stabilization And Cortical Activation In Contact Sport Athletes During Walking Under Different Visual Task Constraints, Sam Zeff

Doctoral Dissertations

Contact sport participation exposes athletes to repetitive sub-concussive head impacts, which have been shown to elicit cortical neurophysiologic, cognitive, and motor performance alterations that have the potential to disrupt visual perception. Despite the growing concern regarding sub-concussive impacts, our understanding of their implications on motor performance and risk for further injury is limited. A stable head provides a consistent perceptual platform for the visual and vestibular sensory systems, but the effects of contact sport participation on head stability and visual perception remain poorly understood. The goal of this dissertation was to understand whether contact sport participation modifies athletes’ ability to …

Magnetic Endothelialization Of Flow Diverters To Promote Rapid Healing Of Cerebral Aneurysms, Amanda Thome

Dissertations (1934 -)

Cerebral aneurysms are dilations of normal vasculature in the brain. When patients are diagnosed with a cerebral aneurysm there are many different treatment options, but one of the newest treatments is flow diversion. Flow diverters create a barrier over the neck of the aneurysm that restores flow to the parent vessel and away from the aneurysm. While these devices have high success rates thus far, they are still associated with some clinical issues such as in-stent thrombosis, delayed aneurysmal occlusion, and side brand occlusion. To mitigate this the current standard of treatment includes a dual anti-platelet therapy regimen which poses …

Kinematic Analysis Of Gait And Deep Knee Flexion For Pre- And Post-Operative Total Knee Arthroplasty, Samantha Collins

Electronic Theses and Dissertations

Osteoarthritis (OA) is a form of arthritis that develops in the joint due to overuse and aging causing pain, discomfort, and disability. Total Knee Arthroplasty (TKA) is a surgical procedure performed when OA symptoms are severe with an estimated 600,000 patients in the United States currently receiving TKA. Studies have reported dissatisfaction of the knee for 14-39% of patients. This study collected knee kinematics before and after surgery using stereo radiography for precise measurement of gait and deep knee flexion activities. Results showed healthy knee kinematics were not restored and no significant changes could be seen from OA kinematics in …

Exploration Of Motion Capture System To Investigate Human Shoulder Kinematics, Ola Alsaadi

Electronic Theses and Dissertations

The glenohumeral joint (GH) is commonly conceptualized as a ball-and-socket joint [1], and its center of rotation (COR) is presumed to coincide with the geometric center of the medial-superior region of the humeral head [2]. Recent research has endorsed improvements in COR estimation through invasive and noninvasive techniques, including cadaver studies, stereophotogrammetry, and motion capture (MOCAP) systems. Despite increased interest in wearable technology within human movement analysis, the problem of COR estimation employing MOCAP systems and its validation against bi-planar fluoroscopy remains relatively unexplored.

This study employed a marker-based MOCAP system to compare the accuracy, error, and precision of three …

Understanding Physical Activity Preferences And Motives In U.S. Adults, Christopher R. Hill, Malasher Johnson, Victoria Mazaras, Stephen Samendinger

Topics in Exercise Science and Kinesiology

Topics in Exercise Science and Kinesiology Volume 4: Issue 1, Article 16, 2023. This study examined U.S. adult physical activity preferences and explored how a sample of Americans conceptualize these preferences, as previous attempts have primarily focused on non-U.S. or special populations. A sample of adults (n=402) was surveyed and stratified into 'Alone' or 'Group' physical activity preference conditions, with additional items exploring preference characteristics and social-psychological motives. Most adults preferred to exercise Alone (n=126), with a Partner (n=88), or with the use of a Virtual/Video environment (n=122) compared to those who preferred Group exercise (n=66). While there were no …

A Framework For Biomechanical Analysis Of Jump Landings For Injury Risk Assessment, Srishti Sharma, Srikrishnan Divakaran, Kaya Tolga, Christopher B. Taber, Mehul S. Raval

School of Computer Science & Engineering Faculty Publications

Competitive sports require rapid and intense movements, such as jump landings, making athletes susceptible to injuries due to altered neuromuscular control and joint mechanics. Biomechanical features during landings are associated with injury risk, emphasizing proper movement and postural stability. Computer vision techniques offer a time-efficient, noninvasive, and unbiased method to assess jump-landings and identify injury risks. This study proposes a video analysis framework to evaluate jump landing biomechanics in athletes todetermineirregularmovementsandincorrectpostures.It providesadviceandrecommendationstocoachesforinjury predictionandtrainingimprovements.Theproposedframework istestedusingcountermovementjumpvideosof17NCAA DivisionIfemalebasketballathletes.Theresultsindicateda lowMeanAbsoluteError(0.97),highcorrelation(0.89),high averageaccuracy(98.31%)andF1score(0.98),signifyingthe framework’sreliabilityinidentifyinginjuryrisk.

The Effects Of Lifting With Intent On Hip And Knee Moments During Back Squats, Kyle A. Parrish

Human Movement Sciences Theses & Dissertations

Back squatting is a widely used movement in the strength and conditioning community. Within the last few years, velocity-dependent training and its application of tracking intensity have increased in popularity. Biomechanics research has frequently examined force generation, joint loading, and muscle contributions of back squats with different bar placement, stance width, and increasing barbell loads. However, no information exists regarding whether lifting with intent increases velocity and how increased velocity is biomechanically achieved. This study aimed to examine how lifting with intent affects bar velocity and how joint moment alterations could contribute to these potential changes in velocity. Fifteen males …

Biomechanical Adaptations While Performing Bilateral Drop Landings With A Unilateral Ankle Tape Application, Eric Daniel Jenkins

Rehabilitation Sciences Theses & Dissertations

Ankle sprains are the most common injury in sport and exercise performance, which makes the utilization of ankle taping a common procedure to both prevent potential sprain, as well as protect against reinjury. However, unilateral ankle taping may have unintended consequences on the mechanics of the ankle and other joints of both legs. The aim of this dissertation was to determine the effects of ankle taping on lower body kinetics and kinematics, stiffness, and coordination during a bilateral landing task.

Twelve female participants completed a total of 90 drop landings across two visits, randomized from landing platforms of 30, 45, …

Age, Lower Extremity Muscle Strength, And Running Biomechanics In Healthy Female Recreational Runners, Heather Mcconchie Hamilton

Rehabilitation Sciences Theses & Dissertations

Middle-age and older runners demonstrate differences in running biomechanics compared to younger runners. Females and males demonstrate differences in running biomechanics, and females experience additional hormonal changes with age due to menopause. Despite the biomechanical and physiological differences between females and males, little research has investigated the effect of age specifically in female runners. The overall purpose of this research was to determine the relationships among age, lower extremity muscle strength, and running biomechanics in healthy female recreational runners. Healthy female recreational runners aged 25 – 65 years were recruited. Participants ran on an instrumented treadmill at a training pace …

Successful Closed Reduction And Tooth-To-Tooth Wire-Fixation Of A Mandibular Singular Parasymphysis Fracture In A Male Collegiate Lacrosse Player, Steven Ross Murray, Coryann L. Leadford, Nathaniel Snyder, Robert W. Pettitt, Jeremy R. Hawkins

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

A 19-year-old male collegiate lacrosse player suffered an acute singular parasymphysis fracture of the mandible when he was struck in the facemask of his helmet by a lacrosse ball during practice. The fracture was confirmed via panoramic radiography and treated with a closed reduction under local anesthetic by looping a 26-gauge wire around the two right incisors and the right cuspid. This approach to managing the fracture was taken instead of an open reduction and plate application to be less invasive with the hope of a faster recovery and fewer complications. The fracture healed and aligned properly, and after six …

Reliability And Construct Validity Of The Single-Leg Landing Error Scoring System (Sl-Less) In Physically Active Females, Jennifer E. Earl-Boehm, Madison Mach, Erin Lally, Maegan O'Connor, Hayley Ericksen

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

PURPOSE Single-leg landings are common in sport and often result in injury, however a rubric to evaluate biomechanics during single-leg jump landing (SLL) does not exist. The Single-Leg Landing Error Scoring System (SL-LESS) is a rubric developed to evaluate movement during SLL. The purpose of this study was to 1) determine inter- and intra-rater reliability of the SL-LESS, 2) and determine the content and construct validity of the SL-LESS when evaluating SLL

METHOD 28 healthy females completed SLL on two days while 2D and 3D data were recorded. 3D angles were trunk flexion/lateral-flexion, pelvic tilt/contralateral drop, hip flexion/adduction, and knee …