Kinesiology Commons^™

Electromyographical Analysis Of Double Pole Ergometry: Standing Vs. Sitting, Phillip B. Watts, Randall L. Jensen

Conference Papers in Published Proceedings

No abstract provided.

Effects Of Training On Physical Performance Wearing Personal Protective Equipment, David P. Swain, James A. Onate, Stacie I. Ringleb, Dayanand N. Naik, Marlene Demaio

Human Movement Studies & Special Education Faculty Publications

We evaluated the effects of wearing a weighted vest during 6 weeks of military-style training. Forty-three subjects were randomly assigned to a control group or a vest group (carrying 4-5 kg for 2 weeks, and 8-10 kg for 4 weeks), with 37 completing the study (17 vest, 20 control). Both groups performed stair climbing in addition to standard Marine Corps training for 1 hour, four times per week. Pre- and post-tests were performed while wearing military personal protective equipment, with the exception of the Marine Physical Readiness Test (PRT). Both groups significantly improved PRT scores (8.4% 3-mile run, 28-38% calisthenics) …

The Impact Of Environmental Noise On Robot-Assisted Laparoscopic Surgical Performance, Ka-Chun Siu, I. H. Suh, Mukul Mukherjee, D. Oleynikov, Nikolaos Stergiou

Journal Articles

Background. An operating room is a noisy environment. How noise affects performance during robotic surgery remains unknown. We investigated whether noise during training with the da Vinci surgical robot (Intuitive Surgical, Inc., Sunnyvale, CA) would affect the performance of simple operative tasks by the surgeon.

Methods. Twelve medical students performed 3 inanimate operative tasks (bimanual carrying, suture tying, and mesh alignment) on the da Vinci Surgical System with or without the presence of noise. Prerecorded noise from an actual operating room was used. The kinematics of the robotic surgical instrument tips and the muscle activation patterns of the subjects were …

Variability Of Lower Extremity Joint Kinematics During Backward Walking In A Virtual Environment, Dimitrios Kastavelis, Mukul Mukherjee, Leslie M. Decker, Nikolaos Stergiou

Journal Articles

Backward walking (BW) shows significant differences with forward walking (FW) and these differences are potentially useful in rehabilitation. However the lack of visual cues makes BW risky. The purpose of this study was to investigate the effect of visual cues provided by a virtual environment on FW and BW on gait variability. Each subject underwent four conditions of treadmill walking at self-selected pace. The subjects walked backwards in three conditions and forwards in the fourth condition. A virtual corridor was displayed to the subjects in the FW condition (forward optic flow) and two of the backward conditions (forward and backward …

Differences In Bone Mineral Density Among Adolescent Female Tennis Players And Non-Tennis Players, Kevser Ermin

Electronic Theses and Dissertations

Approximately 10 million Americans have osteoporosis. Physical activity (PA) is an important step in preventing osteoporosis and is one of the major determinants of peak bone mass during adolescence. However, type of pa plays an important role when examining the effects of pa on bone mineral density (BMD). Purpose: 1) to determine the differences in BMD among adolescent female tennis players (TP) and non-tennis players (NTP); 2) to determine the differences in body composition (BC) between adolescent female TP and NTP; 3) to determine whether BC variables (weight, fat mass, and lean mass) were predictive of differences in BMD; and …

The Influence Of Title Ix On Personal And Professional Biographies Of Early Career Female Club Volleyball Coaches, Dennis Dahlberg, George M. De Marco, Corinne M. Daprano, Carolyn Ridenour

Health and Sport Science Faculty Publications

Seeking to understand the relationship between Title IX and its impact on a select group of its contemporary beneficiaries, the purpose of this study was to determine the influence of Title IX on the personal and professional biographies of 8 early career female club volleyball coaches. This study utilized a modified case study design featuring constant comparison data analysis. Data were collected using a qualitative interview technique with each of the candidate’s interviews subdivided into four distinct sections. Part I of the interview established a basic personal and professional biography of each individual coach. Part II provided data on the …

Age-Related Changes In Handgrip Strength Among Healthy Indian Males And Females Aged 6-25 Years, Shyamal Koley, Sheri Melton

Kinesiology Faculty Publications

No abstract provided.

Do Vision And Audition Influence Bimanual Timing Coordination For In-Phase And Anti-Phase Patterns In A Linear Slide Task?, Elizabeth U. Grillo, Quincy Almeida, Timothy D. Lee, Katherine Verdolini Abbott

Communication Sciences & Disorders Faculty Publications

No abstract provided.

Joint Torques And Powers Are Reduced During Ambulation For Both Limbs In Patients With Unilateral Claudication, Panagiotis Koutakis, Iraklis Pipinos, Sara A. Myers, Nikolaos Stergiou, Thomas G. Lynch, Jason Johanning

Journal Articles

Objectives: Symptomatic peripheral arterial disease (PAD) results in significant gait impairment. In an attempt to fully delineate and quantify these gait alterations, we analyzed joint kinematics, torques (rotational forces), and powers (rotational forces times angular velocity) in patients with PAD with unilateral claudication for both the affected and nonaffected legs.

Methods: Twelve patients with unilateral PAD (age, 61.69 ± 10.53 years, ankle-brachial index [ABI]: affected limb 0.59 ± 0.25; nonaffected limb 0.93 ± 0.12) and 10 healthy controls (age, 67.23 ± 12.67 years, ABI >1.0 all subjects) walked over a force platform to acquire gait kinetics, while joint kinematics were …

Complexity And Human Gait, Leslie M. Decker, Fabien Cignetti, Nikolaos Stergiou

Journal Articles

Recently, the complexity of the human gait has become a topic of major interest within the field of human movement sciences. Indeed, while the complex fluctuations of the gait patterns were, for a long time, considered as resulting from random processes, the development of new techniques of analysis, so-called nonlinear techniques, has open new vistas for the understanding of such fluctuations. In particular, by connecting the notion of complexity to the one of chaos, new insights about gait adaptability, unhealthy states in gait and neural control of locomotion were provided. Through methods of evaluation of the complexity, experimental results obtained …

Different Training Volumes Yield Equivalent Increases In Bmd, R. A. Pierce, L. C. Lee, C. P. Ahles, S. M. Shdo, S. V. Jaque, Ken D. Sumida

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

The purpose of this study was to determine if an exercise threshold existed in stimulating an elevation in bone mineral density (BMD), via resistance training, during the growth period in male rats. 27 male rats were randomly divided into Control (Con, n = 9), 3 ladder climb resistance trained group (3LC, n = 9), and 6 ladder climb resistance trained group (6LC, n = 9). The 3LC and 6LC groups were conditioned to climb a vertical ladder with weights appended to their tail 3 days/wk for a total of 6 wks, but the 6LC group performed significantly more work than …

Electromyographic Analysis Of Trunk Muscle Activation During A Throwing Pattern Following Rotator Cuff Mobilization, Aubrey L. Doede

CMC Senior Theses

Correct muscular activation of the body segments during an overhand throw is achieved when movement originates in the larger and more proximal legs and trunk and moves sequentially to the smaller, distal segments of the shoulder and arm. This sequence permits angular velocity to transfer progressively through the throw as part of an open kinetic chain. The athlete can summate angular velocity and segmental forces only if he is able to create a separation between the body segments during the movement pattern, and this separation is thus essential to effective segmental sequencing for activation of the trunk muscles to occur …

The Effectiveness Of A Natural Carbohydrate Source (Sun-Dried Raisins) Versus Sports Jelly Beans On Prolonged Cycling Performance, Helena Rietschier

LSU Master's Theses

PURPOSE: This study was designed to examine the effects of sun-dried raisins versus sports jellybeans on endurance performance in trained cyclists/triathletes. METHODS: Ten healthy males (18-33 y) completed one water-only acclimatization (WAT) exercise trial and two randomized exercise trials. Each trial consisted of a 120-minute constant intensity glycogen depletion period followed by a 10-km time trial (TT). During each experimental trial, participants consumed isocaloric amounts of sun-dried raisins (SDR) or Sports Jelly Beans(SJB) in 20-minute intervals. Measurements included: time to complete 10-km TT, power output during 10-km TT, blood glucose levels and respiratory exchange ratio (RER) during glycogen depletion period, …

Nebraska Biomechanics Core Facilty 2009 Annual Report, Issue 8, Nebraska Biomechanics Core Facility

Biomechanics Annual Report

April 2009 - March 2010

This issue features Announcements, Featured News, Projects, Collaborations, Visitors, Awards, Publications, and Support.

How Does Background And Training Affect Dance Pedagogy In Higher Education?, Meredith Erin Sims

University of Kentucky Master's Theses

Dance faculty in higher education have various backgrounds and training ranging from professional dance careers to doctoral degrees in dance. This study sought to examine the ways background and training impact faculty members‟ pedagogical approach to a dance technique class in a higher education dance department. This study examined the pedagogical knowledge, content knowledge, and pedagogical content knowledge of participants through qualitative methods including interviews, observations, and document analysis. Six major themes emerged from the data: desire to teach, teaching focus, challenging students, planning and preparation, instructional methods, and assessment strategies.

Balance Training Reduces Falls Risk In Older Individuals With Type 2 Diabetes, Steven Morrison, Sheri R. Colberg, Mita Mariano, Henri K. Parson, Arthur I. Vinik

Rehabilitation Sciences Faculty Publications

OBJECTIVE - This study assessed the effects of balance/strength training on falls risk and posture in older individuals with type 2 diabetes.

RESEARCH DESIGN AND METHODS - Sixteen individuals with type 2 diabetes and 21 age-matched control subjects (aged 50-75 years) participated. Postural stability and falls risk was assessed before and after a 6-week exercise program.

RESULTS - Diabetic individuals had significantly higher falls risk score compared with control subjects. The diabetic group also exhibited evidence of mild-to-moderate neuropathy, slower reaction times, and increased postural sway. Following exercise, the diabetic group showed significant improvements in leg strength, faster reaction times, …

Equal Bmd After Daily Or Triweekly Exercise In Growing Rats, B. D. Kayser, J. K. Godfrey, R. M. Cunningham, R. A. Pierce, S. V. Jaque, Ken D. Sumida

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

The purpose of this study was to examine the efficacy of continuous resistance training (3 days/wk) compared to interrupted resistance training where 20-24 h separated an exercise bout (i.e. 6 days/wk) for enhancing bone mineral density (BMD) in growing male rats. The total volume of work performed per week between the two resistance training programs was equivalent by design. Young male rats were randomly divided into Control (Con, n = 9), 3 days/wk resistance trained group (RT3, n = 9), and 6 days/wk resistance trained group (RT6, n = 9). The RT3 and RT6 groups were conditioned to climb a …

Target Eccentricity Effects For Defensive Responses, Taegyong Kwon

LSU Doctoral Dissertations

Defensive actions involving goal-directed responses to visual stimuli presented in different parts of the viewing field commonly include movements either toward (TOWARD) or away from (AWAY) the actual stimulus. One can categorize the type of defensive movements by outcome or the level of stimulus-response (S-R) compatibility, where a congruent response corresponds to a response in the TOWARD condition and an incongruent response corresponds to a response in the AWAY condition. In an effort to better understand defensive responses, which have received less attention in the literature than offensive movements regardless of their importance in combative situations, we studied the responses …

Relationship Between Circulating Progenitor Cells, Vascular Function And Oxidative Stress With Long-Term Training And Short-Term Detraining In Older Men, Sarah Witkowski, Michael M. Lockard, Nathan T. Jenkins, Thomas O. Obisesan, Espen E. Spangenburg, James M. Hagberg

Exercise and Sport Studies: Faculty Publications

Exercise may contribute to the maintenance of vascular function via enhanced liberation and action of bone-marrow-derived progenitor cells. Activity related changes in oxidative stress may also influence the number and function of these cells. In the present study, we sought to determine (i) whether adaptations in reactive hyperaemic FBF (forearm blood flow) response associated with long-term endurance exercise and short-term detraining were related to resting putative progenitor cell number and function, and (ii) whether oxidative stress affected these factors. Participants included men with a history of more than 30 years of moderate-to-high-intensity exercise (HI group) and healthy low-active age- and …

What Motivates Young Latina Females Along The U.S. Mexico Border Region To Participate In Team Sports?, Dora A. Pichardo

Open Access Theses & Dissertations

Physical activity gives women and girls an overall better quantity of life and positive health benefits. Statistics indicate lack of participation in physical activity and exercise by the U.S. general population and among the Latino population in particular. The primary purpose of this study is to explore the variables that motivate young Latinas to play and eventually continue to stay involved in team sports. This is a survey correlational study including young Latina females a U.S.-Mexico border community. Statistical analysis included frequencies, means, and Pearson Product Momentum Correlations. Sixty-nine participants (12 to 15 years old) completed the survey. The response …

The Inflammatory Response To Acute Maximal Sprint Exercise, Timothy A. Muth

Master's Theses and Doctoral Dissertations

The purpose of this study was to determine whether acute maximal sprint exercise would elicit an inflammatory response in trained and untrained runners marked by increased systemic immune proteins and byproducts of oxidation, as well as to determine a time course for the presence of these markers. In procedures approved by the Eastern Michigan University College of Health and Human Services Human Subjects Review Board, subjects participated in a total of five study visits consisting of both exercise and blood draws. Blood analysis seems to indicate that there was a secondary tissue injury, which was responsible for the greatest changes …

Health Impact Of Brief Interventions By A Registered Dietitian During Exercise Sessions In A Phase 2 Cardiac Rehabilitation Setting, Terrie Holewinski

Master's Theses and Doctoral Dissertations

Weight management is integral to cardiovascular risk reduction. However, minimal weight loss is achieved during participation in many cardiac rehabilitation (CR) programs. The objective of the present study was to establish if brief interventions by a registered dietitian (RD) during cardiac rehabilitation sessions improved the health status of patients with cardiovascular disease. An RD provided individualized nutrition counseling, answered nutrition questions, and reviewed weekly progress in a CR program for a four-month period. At baseline and upon completion of 19 CR sessions, nutrition knowledge was assessed using a 38-question test, and body weight was measured. Upon completing CR, patients rated …

An Injury Survey And Biomechanical Analysis Of Strength And Conditioning Exercises And Maximal Hiking Test (Hm180) In Junior Sailors, Wee Wing Kuen

Theses : Honours

In Olympic sailing, the "hiking" position is adopted by sailors to counteract forces of the wind acting on the sail and. improve boat speed. Hiking is widely regarded as the main physical challenge faced by single-handed dinghy sailors and senior dinghy sailors are known to have high rates of low back and knee injury. However, the extent of these injuries in junior sailors is yet to be reported. Although strength and conditioning exercises have been prescribed to enhance performance and prevent injury in sailors, little is known about these exercises in comparison to the demands placed on the sailor's musculature …

An Application Of A Modified Experiential Learning Model For A Higher Education Course: Evidence Of Increased Outcomes, Mark F. Roark, Jonathan C. Norling

Kinesiology and Health Science Faculty Publications

This case study applied a modified Experiential Learning Theory (ELT) model in an undergraduate outdoor recreation management course. The Kolb (1984) ELT model was modified to accommodate the higher education learning processes suggested by L. B. Sharp (1943), Sugarman (1985) and Greenaway (1995). Results indicate evidence of increased student learning. Quantitative results from a retrospective pre/posttest evaluation of change score means in learning outcomes supported the study hypotheses that 1) the application of a modified ELT model affects the outcomes of planning, knowledge/skills, and potential for transfer of learning and 2) previous trip experience affects these outcomes. A secondary analysis …

Playful Experiences: Measure Youth Outcomes In Parks And Recreation, Mark F. Roark, F. Evans

Kinesiology and Health Science Faculty Publications

Do you like to play or know anyone else who likes to play? Play has forever been a seminal focus for recreation and parks programs. When designing and implementing experiences for youth participants, we typically measure our success by how much fun youth had. These days, while play and the outcome of fun are still meaningful to youth, stakeholders expect outcomes beyond fun. From season to season, many of us now hear parent voices asking, “What will my children gain from your program?” or “Why is yours better? What makes yours unique?” City council members ask us to justify the …

Physical Activity And Hormonal Regulation Of Appetite: Sex Differences And Weight Control, Todd A. Hagobian, Barry Braun

Kinesiology and Public Health

Physical activity is an important contributor to regulation of energy balance and body composition. In this article, we separate the impact of exercise from the confounding influence of energy imbalance and highlight sex differences in hormonal and appetite responses to physical activity. The evolving story may influence our thinking regarding the use of physical activity to manage body composition.

What Type Of Weight Loss Program Do Postpartum Women Want? Treatment Preferences Of Postpartum Women In Two Community Settings, Suzanne Phelan, Katelyn Smith, John-Mark Steele, Dawn Wilt, Sally Ames, Linda Mcclure

Kinesiology and Public Health

Approximately 25% of women experience major weight gain after pregnancy, retaining more than 4.5 kg. Preliminary efforts to promote postpartum weight loss have encountered some success, but little is known about the types of programs of greatest interest to postpartum women. The purpose of this study was to better understand the weight control needs and preferences of postpartum women in the Women, Infants and Children (WIC) Nutrition program (N = 100) and an Adult Education Parenting (AEP) program (N = 75). A self-report questionnaire was used to collect participants’ demographic and weight history information as well as participants’ degree of …

Nonlinear Analysis Of Ambulatory Activity Patterns In Community-Dwelling Older Adults, James T. Cavanaugh, Naomi Kochi, Nikolaos Stergiou

Journal Articles

Background The natural ambulatory activity patterns of older adults are not well understood. User-worn monitors illuminate patterns of ambulatory activity and generate data suitable for analysis using measures derived from nonlinear dynamics.

MethodsAmbulatory activity data were collected continuously from 157 community-dwelling older adults for 2 weeks. Participants were separated post hoc into groups based on the mean number of steps per day: highly active (steps ≥ 10,000), moderately active (5,000 ≤ steps < 10,000 steps), and inactive (steps

Results All groups displayed patterns of fluctuating step count values containing complex temporal structure. DFA, ER, and ApEn parameter values increased monotonically and significantly with increasing activity …

Anterior Cruciate Ligament Reconstruction Results In Alterations In Gait Variability, Constantina O. Moraiti, Nikolaos Stergiou, Haris S. Vasiliadis, Eustathios Motsis, Anastasios D. Georgoulis

Journal Articles

Introduction: The temporal structure of gait variability has shown that healthy human gait exhibits long- range correlations and deterministic properties which allow the neuromuscular system to be flexible and adaptable to stresses. Pathology results in deterioration of these properties. We examined structure of gait variability after ACL reconstruction with either BPTB or quadrupled ST/G tendon autografts.

Methods: Six patients with BPTB reconstruction, six with ST/G reconstruction and six healthy controls walked on a treadmill at their self-selected pace. Two minutes of continuous kinematic data were recorded with a 6-camera optoelectronic system. The nonlinear measure of the largest Lyapunov …

Lyapunov Exponent And Surrogation Analysis Of Patterns Of Variability: Profiles In New Walkers With And Without Down Syndrome, Beth A. Smith, Nikolaos Stergiou, Beverly D. Ulrich

Journal Articles

In previous studies we found that preadolescents with Down syndrome (DS) produce higher amounts of variability (Smith et al., 2007) and larger Lyapunov exponent (LyE) values (indicating more instability) during walking than their peers with typical development (TD) (Buzzi & Ulrich, 2004). Here we use nonlinear methods to examine the patterns that characterize gait variability as it emerges, in toddlers with TD and with DS, rather than after years of practice. We calculated Lyapunov exponent (LyE) values to assess stability of leg trajectories. We also tested the use of 3 algorithms for surrogation analysis to investigate mathematical periodicity of toddlers’ …