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Effects Of Slope Upon Hind Limb Kinematics In Chukar Partridge (Alectoris Chukar), Anna T. Kenney 2020 University of Montana

Effects Of Slope Upon Hind Limb Kinematics In Chukar Partridge (Alectoris Chukar), Anna T. Kenney

Undergraduate Theses and Professional Papers

Ground dwelling birds must scale all kinds of complex terrain in order to survive in their natural environments. For instance, Alectoris chukar live on steep hillsides with slopes of up to 60° or 172.3% slope. We undertook the present study to improve understanding of how birds successfully traverse such complex terrain. Using a high speed camera, we analyzed the hind limb kinematics of chukars during normal locomotion on a 10° and 35° incline, decline, and level slope. We compared the data collected from the video recordings, which we had used to identify and digitize the bony landmarks, between all ...


Real-Time Stealth Intervention For Motor Learning Using Player Flow-State, Ramin Tadayon, Ashish Amresh, Troy McDaniel, Sethuraman Panchanathan 2019 Arizona State University

Real-Time Stealth Intervention For Motor Learning Using Player Flow-State, Ramin Tadayon, Ashish Amresh, Troy Mcdaniel, Sethuraman Panchanathan

Ashish Amresh

We present a novel approach to real-time adaptation in serious games for at-home motor learning. Our approach assesses and responds to the “flow-state” of players by tracking and classifying facial emotions in real-time using the Kinect camera. Three different approaches for stealth assessment and adaptation using performance and flow-state data are defined, along with a case-study evaluation of these approaches based on their effectiveness at maintaining positive affective interaction in a subject.


Effect Of Exercise Position On Percent Changes In Serratus Anterior Muscle Thickness, Joseph M. Day 2019 University of Dayton

Effect Of Exercise Position On Percent Changes In Serratus Anterior Muscle Thickness, Joseph M. Day

Joseph Day

Objective: A reliable method for measuring SA thickness with ultrasound imaging has been reported, yet the ability to detect differences in levels of contractility has yet to be established. The purpose of this study was to determine if there are differences in the percent change in thickness of the SA during four different exercise positions performed by healthy individuals.

Design: Observational study

Setting: Laboratory

Participants: Twenty-eight healthy participants, mean age 26 (SD 4, 57% female, 100% right handed)

Methods: Volunteers were positioned in a standardized sitting posture and anatomical landmarks were marked for ultrasound probe positioning. Two resting and two ...


No Effect Of L-Arginine On Vascular Stiffness At Rest And During Reactive Hyperemia In Young Healthy Subjects, Andrew Wells, George Swanson, Thomas Fahey, Michael Smith 2019 University of New Mexico

No Effect Of L-Arginine On Vascular Stiffness At Rest And During Reactive Hyperemia In Young Healthy Subjects, Andrew Wells, George Swanson, Thomas Fahey, Michael Smith

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 556-566, 2019. The efficacy of L-arginine in augmenting blood flow via nitric oxide (NO) production is controversial, with several studies in the literature providing equivocal findings. The purpose of this study was to examine the effect of L-arginine supplementation on vascular stiffness at rest and during induced reactive hyperemia. Young healthy males (n = 15) were studied on two separate study days. On day one, a resting pulse wave velocity (PWV) was measured from the carotid and radial sites at rest and immediately following an induced reactive hyperemia (RH). On day two, subjects rested ...


The Effect Of Cold-Water Immersion On Running Mechanics, Lucas M. DiBenedetto, Kristyne Wiegand, Julia Freedman Silvernail 2019 University of Nevada, Las Vegas

The Effect Of Cold-Water Immersion On Running Mechanics, Lucas M. Dibenedetto, Kristyne Wiegand, Julia Freedman Silvernail

International Journal of Exercise Science

International Journal of Exercise Science 12(1): 547-555, 2019. Cryotherapy is a common treatment used by athletes for rehabilitating acute injuries of a joint or muscle in order to accelerate recovery time and promptly return to play. Therefore, the potential effects of cryotherapy on performance and injury risk should be considered. The purpose of the current study was to investigate the effects of cold-water immersion on running mechanics. Fifteen healthy male and female participants (24.6 ± 5.74 years, 166.37 ± 7.67 cm, 71.72 ± 17.7 kg, 27.47 ± 7.55% body fat) were recruited for the study ...


Current Athletic Training Educational Preparation For Dry Needling, Brian V. Hortz, Sue Falsone, Duncan Tulimieri 2019 Denison University

Current Athletic Training Educational Preparation For Dry Needling, Brian V. Hortz, Sue Falsone, Duncan Tulimieri

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

Purpose: Dry needling is an advanced practice skill that many athletic trainers are being trained to perform. The purpose of this study is to determine the degree to which the current athletic training educational competencies and standards prepare practitioners for the performance of dry needling tasks. Methods: An expert panel review was used to verify which of the dry needling tasks are currently taught through entry-level athletic education as defined by the 5th edition competencies and 2020 standards. Results: Results demonstrated that 11% of the tasks were dry needling specific and these were regarded as not provided through entry-level ...


Commentary: The Use Of Case-Based Learning And Concept Mapping To Teach Students Clinical Reasoning, Jeremy R. Hawkins, Michael Reeder, Michael Olson, Amy Bronson 2019 Colorado Mesa University

Commentary: The Use Of Case-Based Learning And Concept Mapping To Teach Students Clinical Reasoning, Jeremy R. Hawkins, Michael Reeder, Michael Olson, Amy Bronson

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

Introduction: Teaching students as inexperienced clinicians the process of evaluating athletic injuries and medical conditions is often challenging. Utilizing case-based learning and concept mapping as educational tools can facilitate growth in the clinical and diagnostic decision making process. Discussion: Experienced clinicians regularly employ case pattern recognition and hypothetico-deductive reasoning in clinical settings. Each type of reasoning is prone to anchoring and confirmation bias, devaluing relevant information, and framing effect if not utilized correctly. Classroom instructors and preceptors can use case-based learning and concept mapping to help students as inexperienced clinicians organize their thinking and more effectively apply their knowledge. Implications ...


The Effects Of Deep Oscillation Therapy For Individuals With Lower-Leg Pain, McCall E. Christian, Riley C. Koenig, Zachary K. Winkelmann, Kenneth E. Games 2019 Missouri State University

The Effects Of Deep Oscillation Therapy For Individuals With Lower-Leg Pain, Mccall E. Christian, Riley C. Koenig, Zachary K. Winkelmann, Kenneth E. Games

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

Purpose: Lower extremity (LE) pain accounts for 13-20% of injuries in the active population. LE pain has been contributed to inflexibility and fascial restrictions. Deep oscillation therapy (DOT) has been proposed to improve range of motion and reduce pain following musculoskeletal injuries. Therefore, our objective was to determine the effectiveness of DOT on ankle dorsiflexion range of motion (ROM) and pain in individuals with and without lower-leg pain. Methods: We used a single blind, pre-post experimental study in a research laboratory. Thirty-two active participants completed this study. Sixteen individuals reporting lower-leg pain and sixteen non-painful individuals completed the study. Participants ...


Perceptual And Contextual Sources Of Athletic Training Confidence: The Transition To Professional Entry Level Master’S Programs, Craig E. Pfeifer, Erin Moore, Brian Seiler, Caroline Thomason, Eva V. Monsma 2019 Lander University

Perceptual And Contextual Sources Of Athletic Training Confidence: The Transition To Professional Entry Level Master’S Programs, Craig E. Pfeifer, Erin Moore, Brian Seiler, Caroline Thomason, Eva V. Monsma

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

Introduction: The shift of athletic training education from undergraduate degrees to professional master’s degrees and the prominence of computer-based credentialing may impact the hands-on experiences beneficial for developing confidence in athletic training competency domains. Health care provider confidence is critical for clinical skill development, performance and enhancing patient care. Purpose: To examine domain specific efficacy, its sources, learning contexts (i.e., classroom, laboratory, clinical settings) and clinical characteristics by program types. Method: Descriptive, cross-sectional design where 178 Athletic Trainers (AT; age 24.25 + 3.76, n = 72 male, n = 106 female) participated in the study (Master’s Program (MP ...


Greater Polar Moment Of Inertia At The Tibia In Athletes Who Develop Stress Fractures, Lee A. Weidauer, Teresa Binkley, Matthew Vukovich, Bonny Specker 2019 South Dakota State University

Greater Polar Moment Of Inertia At The Tibia In Athletes Who Develop Stress Fractures, Lee A. Weidauer, Teresa Binkley, Matthew Vukovich, Bonny Specker

Lee Weidauer

Background: Several previous investigations have determined potential risk factors for stress fractures in athletes and military personnel.
Purpose: To determine factors associated with the development of stress fractures in female athletes.
Study Design:
Case-control study; Level of evidence, 3.
Methods: A total of 88 female athletes (cross-country, n ¼ 29; soccer, n ¼ 15; swimming, n ¼ 9; track and field, n ¼ 14; volleyball, n ¼ 12; and basketball, n ¼ 9) aged 18 to 24 years were recruited to participate in a longitudinal bone study and had their left distal tibia at the 4%, 20%, and 66% sites ...


Effects Of Personal Body Armor On Functional Movement Capability In Healthy Adults, Colin D. Tomes, Matthew David Lewis 2019 Bond University

Effects Of Personal Body Armor On Functional Movement Capability In Healthy Adults, Colin D. Tomes, Matthew David Lewis

International Journal of Exercise Science

International Journal of Exercise Science 12(6): 536-546, 2019. The Functional Movement Screen (FMS) is a tool used to assess fundamental movement patterns and has been utilized to determine movement readiness of tactical athletes. However, tactical athletes rarely perform tasks without load carriage, and limited research evaluating loaded tactical personnel via the FMS has been conducted. Therefore, the primary aim of this study was to determine if ballistic vest wear results in movement deficits as evaluated by the FMS. A convenience sample of college students (n = 31) completed test sessions in loaded and unloaded conditions. Subjects completed each FMS movement ...


Exoskeletons: Used As Ppe For Injury Prevention, Terry Butler, Jason C. Gillette 2019 Lean Steps Consulting

Exoskeletons: Used As Ppe For Injury Prevention, Terry Butler, Jason C. Gillette

Jason C Gillette

THIS ARTICLE FOCUSES ON THE PREVENTION of shoulder musculoskeletal disorders (MSDs) commonly associated with muscle fatigue and repetitive overuse in an occupational setting. The authors’ purpose and motivation are the potential consideration of exoskeletons as PPE for shoulder injury prevention


Effects Of Caffeine On Perceptually-Based Intensity Production During Outdoor Running, Kailee Neal, Matt Green, Eric O'Neal, Joyce McIntosh, Alyssum Reno 2019 University of North Alabama

Effects Of Caffeine On Perceptually-Based Intensity Production During Outdoor Running, Kailee Neal, Matt Green, Eric O'Neal, Joyce Mcintosh, Alyssum Reno

International Journal of Exercise Science

ABSTRACT

International Journal of Exercise Science 12(5): 526-535, 2019. Caffeine (CAF) may enhance performance while altering estimated RPE. However, effects of caffeine on RPE production is not well understood. This study examined effects of CAF on velocity (VEL) selection during outdoor running when intensity was prescribed using RPE. Ten (n = 10) fit male runners completed a VO2 max and two running trials, CAF (6 mg· kg-1) vs. placebo (PLA). Participants ran a 2.4 km (1.5 m) bout, at prescribed RPE4, and another at prescribed RPE7, following 10 min passive recovery. Separate 2 (trial) x 6 ...


Walking Adaptations To An Ankle Foot Orthosis In Individuals With Peripheral Artery Disease, Todd Leutzinger, Iraklis Pipinos, Jason Johanning, Mahdi Hassan, Holly DeSpiegelaere, Mukul Mukherjee, Sara Myers 2019 University of Nebraska Medical Center

Walking Adaptations To An Ankle Foot Orthosis In Individuals With Peripheral Artery Disease, Todd Leutzinger, Iraklis Pipinos, Jason Johanning, Mahdi Hassan, Holly Despiegelaere, Mukul Mukherjee, Sara Myers

Student Research and Creative Activity Fair

Single Session Walking Adaptations to an Ankle Foot Orthosis in Patients with Claudication and Peripheral Artery Disease

Todd Leutzinger1, 2, Iraklis Pipinos2, 3, Jason Johanning2, 3, Mukul Mukherjee1, Sara Myers1, 2

1Department of Biomechanics, University of Nebraska at Omaha, Omaha, NE USA

2Nebraska and Western Iowa Veterans Affairs’ Medical Center, Omaha, NE USA

3Department of Surgery, University of Nebraska Medical Center, Omaha, NE USA

Email: tleutzinger@unomaha.edu

Peripheral artery disease (PAD) is an atherosclerotic disease affecting the arteries of the lower extremities [1]. The primary symptom of PAD is intermittent claudication ...


The Effects Of Stiffness Of A Prosthetic Shock-Absorbing Pylon On Mechanical Work During Walking, Jenny Anne Maun 2019 University of Nebraska at Omaha

The Effects Of Stiffness Of A Prosthetic Shock-Absorbing Pylon On Mechanical Work During Walking, Jenny Anne Maun

Student Research and Creative Activity Fair

Name: Jenny Anne Maun

Title: The effects of stiffness of a prosthetic shock-absorbing pylon on mechanical work during walking

Degree: Masters

Faculty Advisor: Kota Z. Takahashi, PhD

Co-authors: Steven A. Gard, PhD; Matthew J. Major, PhD

A prosthetic shock-absorbing pylon (SAP) is intended to attenuate impact forces, provide comfort, and reduce residual limb pain for prosthesis users. However, the effect of an SAP and its spring stiffness on the mechanical work done by the prosthetic limb during walking remains unclear. The purpose of this study: to investigate the effects of SAP spring stiffness and walking speed on the mechanical work ...


How Prosthetic Ankle Stiffness & Load Carriage Affect Metabolic Energy Expenditure During Walking, Erica A. Hedrick, Philippe Malcolm, Jason M. Wilken, Kota Z. Takahashi 2019 University of Nebraska at Omaha

How Prosthetic Ankle Stiffness & Load Carriage Affect Metabolic Energy Expenditure During Walking, Erica A. Hedrick, Philippe Malcolm, Jason M. Wilken, Kota Z. Takahashi

Student Research and Creative Activity Fair

The ankle structures play a key role in body support, forward propulsion and leg swing. One important property of the human ankle is its ‘quasi-stiffness’, or resistance to angular motion. The ankle joint stiffness can play a role in aiding the lower leg as its rocks over the foot. Human biological ankle stiffness changes in response to changes in the mechanical demands of walking (e.g. added load or changes in speed), using active muscle contractions. However, the role of ankle stiffness in regulating metabolic energy across walking conditions is unknown. Therefore, the purpose of this study is to determine ...


Effect Of Dual-Task Walking On Long-Range Correlations In People With Parkinson's Disease, Shane Meltz 2019 University of Nebraska at Omaha

Effect Of Dual-Task Walking On Long-Range Correlations In People With Parkinson's Disease, Shane Meltz

Student Research and Creative Activity Fair

Parkinson’s Disease (PD) causes gait to be more variable and more random. Gait variability is related to disease severity, and may be a marker of fall risks. Gait in PD is attention-dependent, meaning a distraction while walking could be detrimental. The effects of dual-task walking on gait variability in PD are unclear (in particular fractal fluctuations). This study will determine if dual-task walking impacts stride-to-stride variability compared to normal walking in people with Parkinson’s Disease. We predict that dual-tasking will lead to more random stride-to-stride variability in people with PD, compared to controls. Also, within the PD group ...


How The Foot Modulates Its Mechanics During Uphill And Downhill Walking, Jeffrey M. Patterson, Kota Z. Takahashi 2019 Department of Biomechanics

How The Foot Modulates Its Mechanics During Uphill And Downhill Walking, Jeffrey M. Patterson, Kota Z. Takahashi

Student Research and Creative Activity Fair

The foot's biomechanical role in walking on sloped surfaces is currently unclear. While previous biomechanics studies have examined the hip, knee, and ankle, the foot is oversimplified as a rigid-body segment. This oversimplification overshadows its complex structure and function. In this project, we use an innovative multi-segment foot model to explore how the foot adapts its mechanics to incline and decline walking. Preliminary results have revealed that the foot is capable of adapting its mechanical work profile to both incline and decline walking. Specifically, the foot can increase its positive work output (i.e., increased energy generation) during inclined ...


Skeletal Muscle Mitochondrial Biogenesis In Response To Exercise And Cold Exposure, Camille Larson 2019 University of Nebraska at Omaha

Skeletal Muscle Mitochondrial Biogenesis In Response To Exercise And Cold Exposure, Camille Larson

Student Research and Creative Activity Fair

BACKGROUND: Aerobic exercise triggers mitochondrial biogenesis, the generation of new mitochondria, by ATP depletion and subsequent activation of the AMPK signaling pathway. This leads to enhanced expression of PGC-1α, a positive regulator of respiration, mitochondrial biogenesis, and adaptive thermogenesis. Previous research from our lab has shown that exercise followed by cold recovery enhances the transcription of genes associated with mitochondrial growth and division, however the recovery period was necessary for this response. Perhaps exercising in a colder external environment would induce a greater thermoregulatory response and gradient between ambient skin and core temperature that may lead to altered mitochondrial turnover ...


Effect Of Handrail Use During Stair Climbing In Oa Patients: A Pilot Study, Jenna Ackerman 2019 University of Nebraska at Omaha

Effect Of Handrail Use During Stair Climbing In Oa Patients: A Pilot Study, Jenna Ackerman

Student Research and Creative Activity Fair

Introduction: For the patients with osteoarthritis of the knee, stairs are commonly a difficult task and may be the first thing affect by osteoarthritis.1 This population often employs altered strategies when they approach, ascend, and descend the stairs compared to a healthy population. Within 12 years, 80% of patients develop knee osteoarthritis in the contralateral limb.2 Handrails play an important role by assisting with balance, control, and confidence, but their use needs to be assessed even further to fully understand how handrails impact the contralateral limb in osteoarthritic patients and how they may be integrated optimally into gait ...


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