Kinesiology Commons^™

The Effects Of Trx Suspension Training On An Asymmetrical Weight Shift During A Double-Leg Squat, Samantha J. Shruck

Theses and Dissertations

Context: It is estimated that 54% of all sport related injuries are to the lower extremity, specifically the knee and ankle. Following injury, many individuals demonstrate an asymmetrical weight shift during a double-leg squat, which may increase risk of further injury. Asymmetries are driven by a variety of factors including range of motion and neuromuscular control. The goal of rehabilitation is to identify asymmetrical movement and utilize evidence-based techniques to retrain deficient movement patterns. The double-leg squat is a reliable movement task to identify asymmetrical weight shifts. Based on the theory and purpose of suspension training (TRX), it may be …

Tiered Vs. Traditional Daily Undulating Periodization For Improving Powerlifting Performance In Trained Males, Andres Vargas

USF Tampa Graduate Theses and Dissertations

Daily undulating periodization represents an increasingly popular trend in exercise science with which a traditional model has been established. Tiered daily undulating periodization pairs the DUP approach with a tiered training system which allows volume and intensity to be more evenly distributed throughout a given graining cycle. The concept of tiered daily undulating periodization is a novel form of periodization and has not been investigated. As such, a comparison of traditional and tiered daily undulating periodization has yet to be examined. Therefore, the purpose of this study was to compare the effects of traditional and tiered daily undulating periodization models …

Fibroblast Proliferation In Response To Treatment By A Novel Tgf-Beta Pathway Inhibitor, Coray Preece, Robert Hyldahl

Journal of Undergraduate Research

Fibroblasts play a key role in repairing injured tissue by secreting collagen and growth factors into the tissue. In states of disease and overuse, fibroblast activity (i.e. greater fibroblast content and collagen secreting activity) can lead to skeletal muscle fibrosis, in which myofibers are replaced by collagen, decreasing strength and muscle elasticity. It has been shown in previous studies that TGF-beta signaling directly increases fibroblast proliferation and collagen secretion. It has also been shown that inhibition of TGF-beta signaling reduces known symptoms of muscular dystrophies including decreased fibrosis and increased muscular strength. SGI-1252 is a novel small molecule that our …

Interfacing Continuous Measurement Of Glucose And Physical Activity To Predict Glycemic Control In Individuals With Type 2 Diabetes, Jennifer Blankenship

Doctoral Dissertations

Physical activity is a cornerstone in the management of hyperglycemia and risk of cardiovascular disease in type 2 diabetes (T2D). However, the dose response relationship between physical activity and glucose regulation is not well defined. The overall goal of this dissertation was to assess the magnitude and timing of changes of daily glucose concentrations in response to continuous and intermittent light physical activity in T2D. Through utilizing continuous glucose monitors (CGM) and physical activity monitoring concurrently, we were able to assess the glycemic impact of physical activity and sedentary behavior in the free-living environment. Study 1 aimed to examine the …

Alterations In Foot Positioning During Ankle Taping And Its Effects On Range Of Motion And Jump Performance In Dancers, Eilish Anderson

Theses and Dissertations

Context: A closed basket-weave ankle tape application is commonly used by healthcare professionals in order to give support to the athlete’s ankle during activity. This closed basket-weave ankle tape is used to prevent the ankle joint from going into excessive plantarflexion and inversion. Previous research has demonstrated traditional ankle taping techniques, with the ankle in a dorsiflexed position, reduces range of motion at the ankle. Due to the extreme demands placed on the ankle during dancing, which often requires the dancer to place the ankle in a maximally plantarflexed position, it is unclear how taping in this position affects range …

Monthly Food Insecurity Assessment In Rural Mkushi District, Zambia: A Longitudinal Analysis., Muzi Na, Bess L Caswell, Sameera A Talegawkar, Amanda Palmer

Exercise and Nutrition Sciences Faculty Publications

BACKGROUND: Perception-based scales are widely used for household food insecurity (HFI) assessment but were only recently added in national surveys. The frequency of assessments needed to characterize dynamics in HFI over time is largely unknown. The study aims to examine longitudinal changes in monthly reported HFI at both population- and household-level.

METHODS: A total of 157 households in rural Mkushi District whose children were enrolled in the non-intervened arm of an efficacy trial of biofortified maize were included in the analysis. HFI was assessed by a validated 8-item perception-based Likert scale on a monthly basis from October 2012 to March …

The Influence Of Corrective Exercises On Functional Movement Screen And Physical Fitness Performance In Army Rotc Cadets, Marissa Jae Basar

Theses and Dissertations

Context: The Functional Movement Screen (FMS) is a screening tool designed to identify limitations in mobility and stability throughout the body. The existing literature has demonstrated the FMS is effective at identifying movement dysfunctions; however, there is limited evidence on the effectiveness or improving FMS scores through individual corrective exercises. Theoretically, improving functional movement may provide assistance in improving physical performance and potentially decrease occurrence of injury. Objective: To examine if an individualized corrective exercise program is effective at improving FMS scores in Reserve Officers’ Training Corps (ROTC) cadets. In addition, the study aimed to correlate improvements in composite FMS …

P17. P3b Event-Related Potentials Show Changes In Varsity Football Players Due To Accumulated Sub-Concussive Head Impacts, Jeffrey S. Brooks, James W. Thompson, James P. Dickey

Western Research Forum

BACKGROUND: Concussion has been a focus in football at all levels of participation. However, there is a growing appreciation that repetitive sub-concussive impacts may have more significant effects on overall neurological health than the isolated diagnosed concussions that have been the focus of recent research. The purpose of this study was to evaluate the relationship between the number of head impacts that players experience throughout the season and their P300 evoked potential.

METHODS: Canadian university football players (n=45) were separated into three groups based on player mass and position/skill (small-skilled, big-skilled and big-unskilled). Groups were separated into low and high …

P18. Backstroke Start Performance: The Impact Of Using The Omega Backstroke Ledge, Gordon E. Barkwell, James P. Dickey

Western Research Forum

Background: FINA recently approved use of the “backstroke ledge” (Omega OBL2) to improve backstroke start performance in competition, but its performance has not been thoroughly evaluated. The purpose of this study was to compare starts performed on a flat wall to those performed with the OBL2, and to identify factors that contribute to better start performance. Methods: Ten elite backstroke swimmers performed three flat-wall and three OBL2 starts. Horizontal impulse, vertical impulse, takeoff velocity and takeoff angle were calculated from the force plate data. Entry distance, time to 10 m and start of hip and knee extension were recorded using …

P27. Acute Impact Of An Extremely Low Frequency Magnetic Stimulus On Human Neurophysiological Function - Magnetophosphene Perception, Cadence M. Baker

Western Research Forum

Background: Magnetophosphenes are classified as colourless, flickering lights that are perceived with closed eyes in the dark, and upon exposure to a magnetic field (MF). Uncertainties exist involving the MF threshold for magnetophosphene perception.

Methods: Forty subjects will be enrolled in this experiment aiming to provide a frequency-response curve of magnetophosphene perception under MF exposure. Subjects will sit in a whole head MF exposure device wearing a 64-channel MRI-compatible EEG cap. Subjects will be exposed to a MF with a frequency of 5-300 Hz, in the form of an increasing flux density ramp (increasing magnetic field flux density from 0-100 …

P30. Optimizing Current Steering In Deep Brain Stimulation For Treating Parkinsonian Axial Motor Symptoms, Daphne Hui

Western Research Forum

Background: The proposed study will investigate deep brain stimulation (DBS), of the subthalamic nucleus (STN) to improve gait dysfunctions in advanced Parkinson’s Disease (PD). DBS requires implantation of electrodes into the brain that contain contacts where current traverses to stimulate neurons. Imprecise electrode implantations are inherent in surgical implantation; thus, contributing to the elusiveness of DBS on gait.

Methods: The proposed investigation will divide current between two contacts to receive 0, 30, 50, 70, or 100% of current, to find the best combination to improve gait. Gait changes associated with fractional combinations will be visually assessed with clinical scales, and …

P34. The Effects Of Standing Desks On Classroom Performance Of University Students, Siobhan Smith

Western Research Forum

Background:

It is well established that there are many health risks associated with prolonged sedentary time.¹ Unfortunately, research conducted on university students is limited but yet they experience excessive periods of sitting time during class and while studying.

Methods:

Recently, we investigated the effect of sitting, dynamic sitting, and standing desks on classroom performance of university students.² Participants performed three 3-minute classroom simulations, one for each of the three desks. The order of the desks and simulations were randomized. Each of the simulations included a different typing and memory task.

Results:

Results showed no significant difference in the …

Using Yoga To Reduce Stress And Bullying Behaviors Among Urban Youth, Erin E. Centeio, Laurel Whalen, Erica Thomas, Noel Kulik, Nate Mccaughtry

Kinesiology, Health and Sport Studies

Background/Purpose: Obesity and secondary conditions continue to disproportionally affect the health of children living in urban areas. Studies show that a lack of resources and physical activity-unfriendly communities discourage 60 minutes of daily activity, including strengthening exercises, as recommended by the Centers for Disease Control and Prevention. Using Social Ecological theory, the purpose of this study was to examine the multi-level influences of a yoga-based intervention on urban, inner city youth. Method: Using a mixed-methods design, ninety-three 3 - 5^th grade students at five urban elementary schools participated in a ten-week yoga intervention. Analysis/Results: RM-ANOVA results …

The Effectiveness Of A 4-Week Yoga Intervention On The Activation And Timing Of Transverse Abdominis And Lumbar Multifidus, Pain And Functional Disability Among Healthy And Low Back Pain Participants, Tamara Sagadore

Theses and Dissertations

Low back pain (LBP) poses a significant long-term health problem and requires the exploration of complementary alternative medicines, such as yoga. LBP patients often present with a delay in the onset of contraction of core musculature, which is necessary to stabilize the spine in dynamic movements. The aim of this study was two-fold. First, it was to determine the effectiveness of a 4-week yoga intervention on the timing of muscle activation and activation ratio of the transversus abdominis (TrA) and lumbar multifidus (LM) muscles among all participants. Second, it was to determine the effectiveness of a 4-week yoga intervention on …

Children With Moderate To Severe Cerebral Palsy May Not Benefit From Stochastic Vibration When Developing Independent Sitting, Anastasia Kyvelidou, Regina T. Harbourne, Joshua L. Haworth, Kendra K. Schmid, Nicholas Stergiou

Journal Articles

Purpose: Determine sitting postural control changes for children with cerebral palsy (CP), using a perceptual-motor intervention and the same intervention plus stochastic vibration through the sitting surface. Methods: Two groups of children with moderate or severe CP participated in the 12 week interventions. The primary outcome measure was center of pressure data from which linear and nonlinear variables were extracted and the gross motor function measure (GMFM). Results: There were no significant main effects of intervention or time or an interaction. Both treatment groups increased the Lyapunov exponent values in the medial–lateral direction three months after the …

Association Of Fruit And Vegetable Intake With Cardiorespiratory Fitness In Adolescents, Jonathan C. Grimwood

Theses and Dissertations

An association has been established between total dietary energy intake and cardiorespiratory fitness (CRF) in adolescents. However, there is little research examining specific dietary components, such as fruit and vegetable intake. PURPOSE: The primary purpose of this research is to determine if an association exists between fruit and vegetable (F/V) intake and CRF in adolescents. A secondary purpose of this study is to determine if an association exists between F/V intake and body mass index (BMI). METHODS: A sample of 424 adolescents (234 males and 190 females), age 10-18 years, completed the Dietary Behavior section of the Youth Risk Behavior …

The Therapeutic Effects Of Dry Cupping On Iliotibial Band Tightness, Madeline Marie Biehl

Theses and Dissertations

Context: The iliotibial band (ITB) is a muscle-like structure on the outside of the thigh and plays a vital role in movement and can become tight if overused. This tightness can lead to a wide array of injuries in an otherwise healthy individual. Previous research has proved the need to treat a tight ITB, but techniques previously researched have not proven to be effective in reducing ITB tightness. Dry cupping is a method in which suction is generated from a vacuum-sealed cup using a pump in order to alleviate pain, reduce tightness, and promote healing. Recently, cupping has been used …

Psychophysiological Tracking Of A Female Physique Competitor Through Competition Preparation, Brandon Jay Rohrig, Robert W. Pettitt, Cherie Pettitt, Todd Kanzenbach

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 301-311, 2017. Natural physique competitions are based on subjective judgments of how a competitor appears on show day. Prior to competition, there is a prolonged dieting phase referred to as contest preparation. The primary goal is to reduce body fat levels while maintaining skeletal muscle mass. The study tracked the physiological and psychological changes for a 24 year old female preparing for a physique competition. Purpose: The study was conducted to describe the physiological and psychological changes of a female physique competitor who engages in long-term contest preparation. Methods: Diet, body composition, blood work, …

Changes In Anthropometric And Physiological Characteristics Of Male Collegiate Rugby Union Players Throughout A Season, Edward Kyle Smith

Theses and Dissertations

Rugby Union is a physically demanding sport requiring a variety of anthropometric and physiological characteristics to maximize performance. Factors such as muscular power, speed, agility, maximal aerobic power, mobility, and body composition all factor into player performance. PURPOSE: To determine changes in body composition, anthropometric and physiological characteristics of collegiate rugby union players throughout a competitive season. METHODS: Participants included 37 (20.3 ± 1.5 years) men from a collegiate rugby club. Muscular power (vertical jump), speed (10m and 20m sprint), agility (L-drill), mobility (FMS active straight leg raise and shoulder mobility) maximal aerobic power (VO2peak via 20m multi-stage shuttle run …

Quantifying Static And Dynamic Stability Using Mobile Sensors, Mason Schleu

UNO Student Research and Creative Activity Fair

Balance disorders impact millions of people causing substantial impact on quality of life due to psychological and physical hardships associated with poor balance. However, a clinically relevant, low cost, self-service system in detecting such disorders does not exist. Previous research has shown the built in accelerometer and gyroscope sensors of a smart phone to be valid tools in detecting standing balance performance using traditional linear analysis, however, such a system has yet to be proven useful in detecting dynamic postural variability. Indeed, more quantitative methods than are typically used in clinical settings are necessary for early detection of poor postural …