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Articles 1 - 10 of 10
Full-Text Articles in Life Sciences
The Effects Of Mental Training On Acute Psychophysiological Stress Responses In Endurance Athletes, Shelanda Antonia Maria Kujala
The Effects Of Mental Training On Acute Psychophysiological Stress Responses In Endurance Athletes, Shelanda Antonia Maria Kujala
Boise State University Theses and Dissertations
Introduction: In sports, pre-competition stress responses can influence performance. Mental skills training is a strategy used to successfully mitigate stress responses and positively impact performance. Psychological (e.g., anxiety) and physiological (e.g., cortisol) stress responses are not often measured in a single study, providing an incomplete picture of athlete experiences. When researchers have measured these constructs together, studies have excluded endurance athletes and ways to effectively buffer stress responses. Purpose: The current study had two aims. 1. How will athlete’s perceptions of stress and physiological markers of stress be related to each other? 2. How will athlete’s perceptions of stress and …
Validation Of Non-Invasive Co2 Tolerance Field Test, Joshua T. Murphey
Validation Of Non-Invasive Co2 Tolerance Field Test, Joshua T. Murphey
Boise State University Theses and Dissertations
INTRODUCTION: Breathwork, or the specific act of controlling breathing to elicit a desired outcome, is not only a potential way to improve one’s mental well-being but also to alter adaptative responses through gas exchange at the capillary level. Increasing tolerance to carbon dioxide (CO2) has been positively correlated with improvement in athletic performance and reduction of stress and anxiety. However, there does not exist a validated non-invasive test to accurately measure one’s tolerance to CO2. PURPOSE: The purpose of this study was to validate the only currently known CO2 tolerance (CO2T) field test …
Osmr Signaling Induces Tamp-Specific Bbb Dysfunction Following Autoimmune-Mediated Neutrophil Recruitment, Travis Scott Wertz
Osmr Signaling Induces Tamp-Specific Bbb Dysfunction Following Autoimmune-Mediated Neutrophil Recruitment, Travis Scott Wertz
Boise State University Theses and Dissertations
Integrity of the brain microvessels that form the blood-brain barrier (BBB) is maintained through fine-tuned regulation of endothelial tight junction proteins, chiefly represented by claudin 5 and the tight junction-associated MARVEL protein (TAMP) occludin. Under proinflammatory conditions in autoimmune-mediated multiple sclerosis (MS), autoreactive effector T cells are activated in white matter regions of the brain and spinal cord and release cytokines to recruit circulating neutrophils that, in turn, release neurotoxic substances. Lack of tight junctions in peripheral blood vessels allows neutrophils to exit blood vessels unhindered, but BBB tight junctions must first be downregulated before neutrophils can transmigrate into the …
Apnea Training And Physical Characteristics: Enhancement Of The Dive Response, Apneic Time, And Recovery, Nathanael Stanford
Apnea Training And Physical Characteristics: Enhancement Of The Dive Response, Apneic Time, And Recovery, Nathanael Stanford
Boise State University Theses and Dissertations
Human breath-hold diving (free diving) has been gaining popularity as new individuals participate in the sport every year. Carbon dioxide (CO2) breath-hold tables have been widely implemented as a training modality and prescribe constant submaximal apneic durations with gradually decreasing recovery times to increase hypercapnic resiliency. Previous studies implementing maximal duration apnea training have found enhancements in apneic duration and the mammalian dive reflex (MDR), which is elicited by apnea and augmented with facial immersion. The MDR results in bradycardia and peripheral vasoconstriction to redistribute blood to vital organs and elicit oxygen (O2) conserving resulting in …
Oral Creatine Hydrochloride Supplementation: Acute Effects On Submaximal, Intermittent Bouts Of Bench Press And Vertical Jump Exercises, Daniel Mcdonough
Oral Creatine Hydrochloride Supplementation: Acute Effects On Submaximal, Intermittent Bouts Of Bench Press And Vertical Jump Exercises, Daniel Mcdonough
Boise State University Theses and Dissertations
The purpose of this study was to examine the acute effects of oral creatine hydrochloride (CrHCl) supplementation on three repeated bouts of bench press and vertical jumping exercises and body composition measures (body weight (BW), fat-free mass (FFM) and fat mass (FM)). Methods: Fifteen resistance trained males completed 3 sets of the barbell bench press (70% 1RM) and 3 sets of the repeated counter-movement vertical jump (CMJ; 85% maximal CMJ height), with 2 min rest between sets, before and after a 7 d CrHCl intervention (4 g·day-1). A two-factor repeated measures ANOVA was used to determine significant main …
Osteoblast Oncostatin M Signaling In Modeled Spaceflight, Jacob Goyden
Osteoblast Oncostatin M Signaling In Modeled Spaceflight, Jacob Goyden
Boise State University Theses and Dissertations
Bone deterioration is a challenge in long-term spaceflight with significant connections to terrestrial disuse bone loss. Prolonged unloading and radiation exposure, defining characteristics of space travel, have both been associated with changes in inflammatory signaling via IL-6 class cytokines in bone. While there is also some evidence for perturbed IL-6 class signaling in spaceflight, there has been scant examination of the connections between free fall, radiation, and inflammatory stimuli in bone. Our lab and others have shown that the IL-6 class cytokine oncostatin M (OSM) is an important regulator of bone remodeling. We hypothesize that spaceflight alters osteoblast OSM signaling, …
A Test Of Whether Human Handling Causes Developmental Or Habituation Effects On The Hypothalamic-Pituitary-Adrenal Stress Response Of Young American Kestrels (Falco Sparverius), Erin Leigh Wonder
Boise State University Theses and Dissertations
Early exposure to stressors affects subsequent stress responses in both mammalian and avian species, with the likelihood for lasting effects depending, in part, on the magnitude of the stressor. However, it is unclear whether lasting effects are the result of developmental changes to the hypothalamic-pituitary-adrenal (HPA) axis or habituation to the stressor. I investigated the effects of human handling, a known stressor, in free-living American kestrel (Falco sparverius) nestlings to determine if this brief, non-invasive stressor causes lasting changes in the stress response of handled birds, and whether alterations in the stress response were the result of developmental …
Physiologic Performance Test Differences By Competition Level And Player Position In Female Volleyball Athletes, Monique Lynae Schaal
Physiologic Performance Test Differences By Competition Level And Player Position In Female Volleyball Athletes, Monique Lynae Schaal
Boise State University Theses and Dissertations
Introduction: The game of volleyball, which requires power, strength, speed, agility, and anaerobic fitness, is played around the world. A performance divide is evident between high school and collegiate volleyball athletes, and the physiologic differences have not been extensively studied. Because sport specific test performance data are not available, performance deficits in high school athletes are not well understood. Players striving to improve volleyball performance need clear expectations of skill and performance measures to succeed at higher levels of competition. There are extremely limited data available for female volleyball players that specifically describe how physiological performance test data may …
Determining Intensity Levels For Selected Wii Fit Activities In College Aged Individuals, Joshua D. Grieser
Determining Intensity Levels For Selected Wii Fit Activities In College Aged Individuals, Joshua D. Grieser
Boise State University Theses and Dissertations
Introduction: Physical activity is important to the proper growth, development, and overall health of an individual. Current physical activity trends show declines in activity level throughout aging. To counteract inactivity many physical activity interventions have been implemented in different age groups and yet very little change in activity level has been seen. The Nintendo Wii® offers a popular technological intervention tool with its movement oriented game play. The physiological costs and intensity of the Nintendo Wii Fit® game have not been thoroughly researched, yet the Wii is being used as a physical activity tool in many arenas. Purpose: The purpose …
Human Physiology Community Education, Sasha Volgamore, Kristen Mitchell
Human Physiology Community Education, Sasha Volgamore, Kristen Mitchell
Service-Learning Program
The purpose of our project was to educate community members of all age groups to provide them with a basic knowledge of the fundamental workings of the human body, with specific emphasis on skeletal muscle physiology and cardiovascular physiology. It is our hope that members of our target audiences will use this information for future self-directed inquiries into human physiology with regard to their own bodies. Regardless of their age, everyone can decide to eat healthier and live a more active lifestyle. With the knowledge we provided the community, we hope they will appreciate that a healthy lifestyle is paramount …