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Articles 1 - 29 of 29
Full-Text Articles in Medicine and Health Sciences
Exercise, Cognition, And The Aging Process Among Active, Competitive, And Sedentary Middle-Aged And Older Adults, Katherine Adams
Exercise, Cognition, And The Aging Process Among Active, Competitive, And Sedentary Middle-Aged And Older Adults, Katherine Adams
Health, Human Performance and Recreation Undergraduate Honors Theses
Purpose This study aimed to compare the cognitive measures of reaction time and dual-task performance among recreationally active, master athletes, and sedentary older adults aged 50 years or older. Methods 59 late middle-aged and older adults between the ages of 50 to 88 years old participated in reaction time and dual-task tests of which consisted of multiple trials on the same day. Subjects were placed either into the recreationally active, masters athlete, or sedentary activity level group based on the Rapid Assessment of Physical Activity (RAPA) form. For the gait speed with associated dual-task component, subjects walked 10-meters at two …
Testing Vert™ Accelerometer To Identify Validity And Reliability When Compared To Switch Mat, Tara Mcdonald
Testing Vert™ Accelerometer To Identify Validity And Reliability When Compared To Switch Mat, Tara Mcdonald
Undergraduate Honors Theses
This present study was intended to identify the reliability and validity of the Vert™ device when compared to a Switch mat. Vert is a wireless device intended to measure jump count and jump height through an application on a smartphone or tablet and the Switch mat provides jump height using wireless sensors. Jump height is an important factor in many sports such as volleyball and basketball and it is important to have devices that coaches and trainers can use for testing that they can rely on. If this device is found to be valid and reliable, coaches and trainers …
Power Reserve Following Ramp-Incremental Cycling To Exhaustion: Implications For Muscle Fatigue And Function, Michael D. Hodgson
Power Reserve Following Ramp-Incremental Cycling To Exhaustion: Implications For Muscle Fatigue And Function, Michael D. Hodgson
Electronic Thesis and Dissertation Repository
In ramp-incremental cycling exercise, some individuals are capable of producing power output (PO) in excess of that produced at their limit of tolerance (LoT) while others cannot. This study sought to describe the: 1) prevalence of a “power reserve” within a group of young men (n=21; mean ± SD: age 25±4 years; V̇O2max45±8 ml•kg-1•min-1); and 2) muscle fatigue characteristics of those with and without a power reserve. Power reserve was determined as the difference between peak PO achieved during a ramp-incremental test to exhaustion and maximal, single-leg isokinetic dynamometer power. Pre- versus post-exercise changes …
A Simulated Walk In Nature: Testing Predictions From The Attention Restoration Theory, Corey Crossan
A Simulated Walk In Nature: Testing Predictions From The Attention Restoration Theory, Corey Crossan
Electronic Thesis and Dissertation Repository
Attention Restoration Theory (ART) predicts that top-down processing during everyday activities can cause attentional fatigue and that bottom-up processing that occurs when people experience nature will be restorative (Kaplan, 1995). The present study examined this prediction by exposing participants to three different conditions using a repeated measures design: a control condition during which participants walked on a typical treadmill, a nature/restorative condition during which participants walked on the same treadmill, experiencing a simulated nature walk, and a perturbation condition that included the same simulated nature scene but also required top-down processing during the walk. The findings supported ART predictions. As …
Behaviour Change Intervention Strategies To Prevent Excessive Gestational Weight Gain In Pregnant Women Using A Nutrition And Exercise Lifestyle Intervention Program (Nelip), Karishma Hosein
Electronic Thesis and Dissertation Repository
Maternal obesity and excessive gestational weight gain (EGWG) are associated with adverse maternal and fetal outcomes. To evaluate the effectiveness of different behaviour change intervention strategies, it was hypothesized that the introduction of a single behaviour change, followed by a second, would be more effective at preventing early and total EGWG in pregnant women compared to the early simultaneous introduction of both behaviour changes. Eighteen pregnant women were block randomized into one of 3 Nutrition and Exercise Lifestyle Intervention Program (NELIP) strategies (full NELIP, Nutrition followed by Exercise N+E, Exercise followed by Nutrition E+N) and were followed at weekly face-to-face …
The Effects Of Moderate Intensity Strength Training Coupled With Blood Flow Restriction: A 12 Week Intervention, Kelly Barrett
The Effects Of Moderate Intensity Strength Training Coupled With Blood Flow Restriction: A 12 Week Intervention, Kelly Barrett
Electronic Thesis and Dissertation Repository
Blood flow restriction training (BFRT) has been suggested to increase muscle size and strength in trained and untrained individuals when using light load intensities (30 percent 1-RM). However, there is little data to support its use when working with moderate load intensities, specifically, above 50 percent of an individual’s 1-RM. The purpose of this study was to evaluate the effects of moderate load intensity BFRT on muscle size and strength of the biceps brachii after a 12 week strength training intervention. Nine, previously strength trained, participants performed an elbow flexion exercise at 70 percent of their individualized 1-RM, twice per …
Examination Of The Monoamine Oxidase A Gene Promoter On Motivation To Exercise And Levels Of Voluntary Physical Activity, Erin M. Kinney
Examination Of The Monoamine Oxidase A Gene Promoter On Motivation To Exercise And Levels Of Voluntary Physical Activity, Erin M. Kinney
Senior Theses
Purpose: The purpose of this study was to examine the genetic basis underlying voluntary exercise. Monoamine oxidase A (MAO-A) is an enzyme that acts on monoamine neurotransmitters, such as dopamine, to cause inactivation. There are several polymorphisms in the promoter region of the MAO-A gene, and these variations change transcriptional activity and the amount of MAO-A produced, leading to alterations in available dopamine levels. Interestingly, polymorphisms in MAO-A have been associated recently with physical activity level. This study sought to determine whether there is an association between motivation to exercise, levels of voluntary physical activity, and MAO-A gene polymorphisms.
Methods: …
The Quadriciser’S Effect On Range Of Motion And Upper Body Motor Control In Children With Mixed Quadriplegia Due To Chromosomal Disorders, Jillian P. Serigano
The Quadriciser’S Effect On Range Of Motion And Upper Body Motor Control In Children With Mixed Quadriplegia Due To Chromosomal Disorders, Jillian P. Serigano
Senior Honors Projects, 2010-2019
PURPOSE: The purpose of this experiment is to determine the effects that the quadriciser has on range of motion and upper body motor control in children with mixed quadriplegia due to chromosomal deletion disorders. METHODS: Two subjects with different chromosomal deletion disorders participated in this study. They completed a 10-week passive exercise intervention using the quadriciser. Range of motion of the elbow and shoulder were taken pre and post quadriciser use for both subjects. For one subject, hip and knee measurements were also taken. Both subjects also completed a timed reach task pre and post quadriciser use to test motor …
Effect Of Activity Trackers And Text Messaging On Exercise, Fitness, And Physical Activity Self-Efficacy Of Middle School Students, Alison F. Pittman
Effect Of Activity Trackers And Text Messaging On Exercise, Fitness, And Physical Activity Self-Efficacy Of Middle School Students, Alison F. Pittman
Nursing Theses and Dissertations
A decrease in physical activity as children age is a contributing factor to the U.S. obesity epidemic. Middle school children are particularly vulnerable to sedentary activities. Activity trackers show promise as a means to motivate children and adults to increase physical activity (PA). This study examined the effect of a text messaging intervention and use of activity trackers with a companion social website on the body mass index (BMI), body fat percentage, physical fitness, and PA self-efficacy of middle school children. Children aged 11-14 (n=102) were randomly assigned to one of three groups for a 10-week intervention: activity tracker group; …
The Impact Of Freedson Bout Vs. Non-Freedson Bout Physical Activity On Metabolic Syndrome Risk In College Students, Valerie Olijar
The Impact Of Freedson Bout Vs. Non-Freedson Bout Physical Activity On Metabolic Syndrome Risk In College Students, Valerie Olijar
Masters Theses, 2010-2019
Purpose The aim of this study is to examine moderate to vigorous physical activity in Freedson bouts compared to non-Freedson bouts and their association with Metabolic Syndrome risk factors in college students.
Methods 72 subjects aged 18-26 were recruited from James Madison University. Subjects height, weight, waist circumference, blood pressure, and body composition were assessed on visit 1. Blood pressure, fasted blood glucose, and lipid profile were assessed on visit 2. Subjects wore an Actigraph GT3X+ accelerometer, which measured physical activity and sleep for 7 days and nights. Univariate Pearson correlation analyses were performed to determine the relationship physical activity …
The Effect Of Menstrual Phase And Oral Contraceptive Steroids On Caffeine During Cycling Performance, Annette M. Lemanski
The Effect Of Menstrual Phase And Oral Contraceptive Steroids On Caffeine During Cycling Performance, Annette M. Lemanski
Masters Theses, 2010-2019
PURPOSE: There is evidence that female sex hormones impact caffeine metabolism, with decreased CYP1A2 activity and diminished caffeine clearance in women with higher estrogen levels. Therefore, the objectives of this project were to determine the effects of oral contraceptives and menstrual cycle on the benefits of caffeine supplementation for cycling performance. METHODS: Sixteen recreationally trained female cyclists, oral contraceptive steroid (OCS) users (n=8, age = 21.4 ± 1.4 years, height = 168.4 ± 3.6 cm, weight = 63.6 ± 7.2kg, VO2max = 48.0 ± 4.0 ml/kg/min), and non-users (n=8, age = 20.9 ± 2.1 years, height = 161.0 ± …
Effects Of Ankle Weights On Metabolic Response And Muscle Activity On A Lower Body Positive Pressure Treadmill 2017, Saige Hupman
Effects Of Ankle Weights On Metabolic Response And Muscle Activity On A Lower Body Positive Pressure Treadmill 2017, Saige Hupman
Master's Theses
Lower body positive pressure (LBPP) treadmills are growing in popularity for rehabilitative use, as the benefits of exercising at partially supported body weight may induce faster recovery. It is unknown if there are certain practices that increase exercise intensity while maintaining positive effects of LBPP. Adding ankle weights when walking or running could increase intensity of rehabilitation programs while maintaining the comfort of supported body weight. PURPOSE: To measure metabolic response (VO2, RER, HR, Caloric expenditure), RPE, and lower limb electromyography (EMG) amplitudes of LBPP treadmill walking and running with and without ankle weights. METHODS: Sixteen participants (Age: 21.94 ± …
The Contribution Of Solid Food On Total Water Intake In 3-13 Y Children, Audrey Caroline Smith
The Contribution Of Solid Food On Total Water Intake In 3-13 Y Children, Audrey Caroline Smith
Health, Human Performance and Recreation Undergraduate Honors Theses
Introduction: Adequate hydration is important element of good health. Several studies indicate that the majority of kids are hypohydrated and do not meet dietary water intake guidelines. Some scientist also suggest that good hydration might be achieved by large consumption of food that are rich in water (i.e. fruits and vegetables). However, the information of food consumption on total water intake in children is limited.
Purpose: We evaluated the contribution of water from solid food on total water intake in children.
Methodology: For this cross-sectional study 81 children (35 female) 3 to 13 years old were randomly recruited to participate. …
The Relationship Between Ratings Of Perceived Exertion And Heart Rate In Ncaa Division Iii Male Soccer Players 2017, Samuel J. Guider
The Relationship Between Ratings Of Perceived Exertion And Heart Rate In Ncaa Division Iii Male Soccer Players 2017, Samuel J. Guider
Master's Theses
Every sport has specific physical demands of the human body. The amount of physiological load that an athlete endures during a bout of exercise can be described as training load (TL). Accurate calculation of training loads within athletes is important when it comes to strength and power development, as well as injury prevention and monitoring fatigue. Common methods used to calculate training loads for athletes include rating of perceived exertion (RPE) based methods, heart rate (HR) based methods, rate of oxygen consumption (VO2) methods, and blood lactate methods. Specifically with NCAA male soccer athletes, HR based methods and RPE based …
The Effect Of Blood Flow Restriction Training With The Quadmill On Peak Isometric Knee Extensor Strength 2017, Brandon Schrom
The Effect Of Blood Flow Restriction Training With The Quadmill On Peak Isometric Knee Extensor Strength 2017, Brandon Schrom
Master's Theses
Traditional training methodologies that improve muscular strength use loads as low as 75% of a person’s one-repetition maximum and as high as 110% of a person’s one repetition maximum. With these high loads comes a greater risk for injury. Blood flow restriction (BFR) training is a potential solution to this problem. BFR training originated in Japan, where it was called Kaatsu. With this method of training, a trainee ties a tourniquet around the proximal end of a limb to reduce blood flow to and from the limb’s muscles. The purpose of this study was to determine whether three-weeks of BFR …
Imposed Versus Affect-Based Resistance Training Intensities On Adherence, Session Affect, Session Perceived Exertion, And Intrinsic Motivation Measures During A Six-Week Program In Novice Female Lifters 2017, Ryan Joseph Brennan
Master's Theses
The American College of Sports Medicine (ACSM) recommends that individuals perform resistance training exercises at a specific intensity based on external load (percentage of one repetition maximum; %1RM). However, only 29.6% of adults in 2013 reported strength training two or more times per week. Furthermore, individuals lifting at recommended percentages vary in their pleasure and displeasure. Self-selected exercise seems to promote positive affective responses, in part, due to the perceived autonomy. The effects of regulating exercise intensity using affect as opposed to imposed intensities as a means for improved fitness, promoting exercise behavior, and enhancing other psychological outcomes have yet …
Effects Of A Raised Surface On Lower Extremity Kinematics, Kinetics, And Muscle Activation During A Sidecut In Recreational Female Softball Players, Lauren Elizabeth Schroeder
Effects Of A Raised Surface On Lower Extremity Kinematics, Kinetics, And Muscle Activation During A Sidecut In Recreational Female Softball Players, Lauren Elizabeth Schroeder
Masters Theses
Noncontact anterior cruciate ligament (ACL) injury is a common sports-related injury. “High-risk” dynamic movements, such as a sidecut, have been associated with increasing the risk of noncontact ACL injury. Certain biomechanical abnormalities, specifically at the hip and knee, and neuromuscular abnormalities, such as unbalanced quadriceps-to-hamstrings activation ratios and certain activation patterns prior to initial contact and after initial contact, have also been associated with an increased likelihood of noncontact ACL injuries occurring. Approximately 78% of all NCAA Division I softball game-day injuries are classified as noncontact where there is no direct contact to a player. Internal derangement of the knee …
Health Benefits Of A Plant-Based Diet, Jenna Jackson
Health Benefits Of A Plant-Based Diet, Jenna Jackson
Honors Theses
While the rise and spread of Western culture has created remarkable advances in science, healthcare, and technology, it has also brought about a variety of chronic diseases that never once existed. Much of these ailments can be attributed to the typical Western diet, which places heavy emphasis on meats, dairy, and refined grains, contrasting the typical Eastern or Oriental diet which primarily focuses on fruits, vegetables, fish, and whole grains. This dietary transition has resulted in increased glycemic load, increased levels of unhealthy fats and cholesterol, decreased micronutrient and fiber levels, and skewed acid-base and sodium-potassium ratios. All of these …
The Effects Of Flexor Pronator Mass Fatigue On Medial Elbow Stability, Nathaniel Harvey Millard
The Effects Of Flexor Pronator Mass Fatigue On Medial Elbow Stability, Nathaniel Harvey Millard
Theses, Dissertations and Capstones
Introduction: The medial elbow is supported from valgus loading with the ulnar collateral ligament (UCL), the flexor pronator mass (FPM), and the radial head. Fatigue of muscle can lead to a decrease in force production. The decrease in force production can lead to a decrease in joint stability. This study tested the effect of fatigue of the FPM muscles on the width of the medial joint space.
Methods: Thirty-one participants volunteered for this study (18 female and 12 male, 1 excluded; mean height 170.2±10.1 cm, mean weight 71.2±15.6 kg, mean age 21.53±1.87 years old). Ultrasound images of the width of …
Physical Activity, Body Mass Index, And Clustered Metabolic Risk In U.S. Adolescents: 2007-2012 Nhanes., Bethany Dawn Williams
Physical Activity, Body Mass Index, And Clustered Metabolic Risk In U.S. Adolescents: 2007-2012 Nhanes., Bethany Dawn Williams
UNF Graduate Theses and Dissertations
Objectives: To examine variation in clustered metabolic risk (cMetS) in adolescents classified as not overweight/active (NOA), not overweight/not active (NONA), overweight/active (OA), and overweight/not active (ONA).
Background: While studies to date have shown that children and adolescents who meet the current physical activity (PA) recommendations and maintain a healthy body weight demonstrate significantly lower cardiometabolic risk, there are some studies that suggest the relationship between PA and metabolic risk may be mediated by adiposity.
Methods: The sample included adolescent participants (n=875; 12-17 years) of the 2007-2012 National Health and Nutrition Examination Survey (NHANES). The cMetS score included triglycerides, high-density lipoprotein …
Cardiovascular Risk, Remote Ischemic Postconditioning, And Endothelial Ischemia-Reperfusion Injury, Brian A. Hemenway
Cardiovascular Risk, Remote Ischemic Postconditioning, And Endothelial Ischemia-Reperfusion Injury, Brian A. Hemenway
Electronic Theses and Dissertations
Remote ischemic postconditioning (rIpost) is a potent vasculoprotective stimulus that is thought to reduce reperfusion injury associated with heart disease. However, certain animal models of cardiometabolic risk factors such as dyslipidemia, diabetes, and hypertension suggest the beneficial effects of rIpost to lessen reperfusion injury may be diminished. These findings have not been studied in clinically relevant humans. The aim of this study was to determine whether the protective effects of rIpost are reduced in the context of raised cardiometabolic risk in humans. Seven participants with raised cardiometabolic risk burden (age:57±7 years; BMI: 31±4kgm2participated in this 2X2 randomized cross-over …
The Influence Of Different Pre-Exercise Routines On Sprint Performance, Rok Mravljak
The Influence Of Different Pre-Exercise Routines On Sprint Performance, Rok Mravljak
Masters Theses
Sprint performance can be enhanced by interventions for short-term (acute) purposes and/or long-term purposes. Acute neuromuscular responses are usually achieved by using different pre-exercise routines at the end of the warm-up period. Recently, there have been several studies examining the effects of various pre-exercise routines on sprint performance, yet there has not been a research study designed that compared the three most commonly used pre-exercise routines in professional and recreational sports (static stretching, dynamic stretching and foam-rolling). Therefore, this study investigated and compared the results of static stretching, dynamic stretching, self-myofascial release and the control group, in order to provide …
An Analysis Of The Physiological And Psychological Wellbeing Of Irish Naval Service Personnel, Cliodhna Sargent
An Analysis Of The Physiological And Psychological Wellbeing Of Irish Naval Service Personnel, Cliodhna Sargent
Theses
Whilst all military cohorts have been seen to experience both physiological and psychological stressors during occupational duties, the naval service experience different stressors due the prolonged periods of time spent at sea. Research has analysed some of these stressors however many them have focused on how individuals are affected because of time spent in combat zones. The Irish Naval Service (INS) is an organisation under the Irish Defence Forces organisation and as such many of its physiological and psychological assessment procedures have come from the Defenee Forces. Very limited researeh has been carried out in relation to the INS as …
The Effect Of Delayed Onset Muscle Soreness On Jumping Mechanics And Performance, Ryan J. Engels
The Effect Of Delayed Onset Muscle Soreness On Jumping Mechanics And Performance, Ryan J. Engels
Electronic Theses and Dissertations
Background: Delayed onset muscle soreness (DOMS) is an exercise-induced muscle soreness resulting from high-intensity eccentric muscular contractions. DOMS appears to be more prevalent in athletes at the beginning of an athletic season or when new movements or exercise are first introduced. The acute effect of DOMS on jumping mechanics is currently unknown. PURPOSE: The purpose of this study is to determine the effect of delayed onset muscle soreness on vertical jump performance and jumping mechanics. METHODS: Twenty college aged, recreationally active males participated in this study (age: 21.54 ± 2.61; height: 1.82 ± 0.067; mass: 81.36 ± 9.53). Participants were …
The Validity Of Height As A Determinant Of Takeoff Distance To Hurdle One In Ncaa Division Iii Hurdlers 2017, Phillip Wiltshire
The Validity Of Height As A Determinant Of Takeoff Distance To Hurdle One In Ncaa Division Iii Hurdlers 2017, Phillip Wiltshire
Master's Theses
The purpose of this study was to determine if the relationships between the height of a hurdler and the takeoff distance to the first hurdle for men and women as reported by Frye (2008) were valid for NCAA Division III 100 m and 110 m hurdlers. With no specific research reported to validate Frye’s data, it is unclear how the suggested takeoff distances were developed. It is also unclear whether hurdler height or another factor is the main determinant of takeoff distance for the high hurdlers. Participants in this study were three female 100 m hurdlers and four male 110 …
Heart Rate Recovery And Blood Pressure Recovery Influenced By A Slow-Breathing Protocol After Exercise In Moderately Trained Females, Emily Layne Zumbro
Heart Rate Recovery And Blood Pressure Recovery Influenced By A Slow-Breathing Protocol After Exercise In Moderately Trained Females, Emily Layne Zumbro
Electronic Theses and Dissertations
Heart rate (HR) and blood pressure (BP) increases in order to meet metabolic demands as a result of exercise primarily through way of the sympathetic nervous system (SNS) and parasympathetic nervous system (PNS). This study aimed to build on previous research in finding the best method to rapidly decrease HR and BP after exercise during the recovery period. PURPOSE: The purpose of this study was to determine the effectiveness of a breathing technique on HRR and BPR within a healthy female population during an exercise recovery period compared to active recovery and upright passive recovery. METHODS: Nine moderately trained female …
Exercise Is Medicine: The Exercise Habits And Attitudes Towards Exercise Counseling Of Medical Practitioners, Zoë Roberts
Exercise Is Medicine: The Exercise Habits And Attitudes Towards Exercise Counseling Of Medical Practitioners, Zoë Roberts
Masters Theses
The purpose of this research was to examine the exercise habits of practicing physicians, physician assistants (PA), and nurse practitioners (NP) in Illinois to better understand their attitudes towards counseling their patients on exercise, and to analyze the frequency that these health care providers incorporate exercise counseling into their practices. Current data has revealed the exercise habits of physicians and how it has influenced the physicians' exercise counseling behaviors. But PAs and NPs have not been included in research collectively as a medical team on the topic using exercise counseling and prescription for patient care and treatment. The research was …
An Examination Of Spasticity Of The Lower Extremity Among Young People With Cerebral Palsy, Jordan Nourse
An Examination Of Spasticity Of The Lower Extremity Among Young People With Cerebral Palsy, Jordan Nourse
Honors College Theses
Background: Spasticity is the most common symptom among individuals with Cerebral Palsy (CP). Spasticity is often presented as stiff limbs often resulting in pain. Currently, clinicians are limited in diagnosing spasticity using observational tools. The purpose of this study was compare spasticity at various functional levels using dynamometry. Methods: Participants included nine adolescents (12-19) with CP and nine adolescents (age-matched) without CP. The participants participated in passive stretches delivered by the Biodex System 4 Pro Dynamometer at four different speeds (90, 120, 150, and 180 deg/s), Measurements of the quadriceps will be collected before and during passive knee extension stretches …
The Effects Of Beetroot Juice On Vo2max And Blood Pressure During Submaximal Exercise, Jose M. Perez
The Effects Of Beetroot Juice On Vo2max And Blood Pressure During Submaximal Exercise, Jose M. Perez
Electronic Theses and Dissertations
Supplementation with beetroot juice (BR) has been shown to reduce blood pressure (BP) at rest and improve several performance parameters during submaximal and maximal exercise. BR effects on BP during submaximal exercise have not been investigated. Furthermore, the effects of BR on VO2max are inconclusive. The purpose of this study was to investigate the effects of BR on VO2max and BP during submaximal exercise. 20 healthy, recreationally trained volunteers (age 21.8±2.35 years, weight 75.10±10.62 kg, height 177.4±6.39 cm) participated in this study, which had a double-blind placebo controlled randomized crossover design. Participants began supplementation with either …