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Articles 1 - 9 of 9
Full-Text Articles in Medical Sciences
Oxygen Consumption In Highly Skilled Baseball Pitchers, Jesse Clingman
Oxygen Consumption In Highly Skilled Baseball Pitchers, Jesse Clingman
UNLV Theses, Dissertations, Professional Papers, and Capstones
The purpose of this study was to describe the physiological demands of highly skilled baseball pitchers during pitching, along with pitch metrics. Three junior college and three professional (n = 6) baseball pitchers participated in this study. Participants completed a graded exercise test (GXT) to volitional exhaustion to determine maximal oxygen consumption (VO2 max) and estimated body fat percentage, height, and body mass were measured on day one of testing. Next, participants faced live batters on a baseball field while wearing a portable metabolic analyzer (Cosmed K5) to measure respiratory gases including oxygen consumption (VO2) and carbon dioxide produced (VCO2) …
Chronic Circadian Disruption Increases Risk For Cardiovascular Disease, Jazmine I Benjamin
Chronic Circadian Disruption Increases Risk For Cardiovascular Disease, Jazmine I Benjamin
All ETDs from UAB
Circadian disruption is a disturbance in biological timing which can occur within or between different organizational levels, ranging from molecular rhythms within specific cells to misalignment of behavioral and environmental cycles. Previous work has shown that changing the timing of food availability is sufficient to lower blood pressure and improve insulin sensitivity in prediabetic males, demonstrating the importance of timing of food intake for cardiovascular health. Findings from our group demonstrated that less than one week of mistimed feeding is sufficient to invert diurnal blood pressure rhythms, although kidney excretory rhythms and kidney function remained aligned with the light-dark cycle. …
Assessment Of Spatial Skills In Human Anatomy And Physiology Students, Abigail Carroll
Assessment Of Spatial Skills In Human Anatomy And Physiology Students, Abigail Carroll
Honors Theses
Visual spatial skills are an individual’s ability to mentally and manipulate the shapes, forms and positions of objects. Spatial skills are necessary for adequate learning in many settings. Few studies have assessed spatial skills compared to success in Anatomy and Physiology in undergraduate students. Most students in this course are on a health profession track. Due to the increasing health care demands and need for competent health care professionals, this study assesses the innate spatial skill ability in students and acquired additional learned spatial skills. This study tests 17 students with the paper-folding test, blank page test, and two surveys …
Viability Of Physiologically Timed Relaxation Interventions In Children With Asd, Nicholas Mendez
Viability Of Physiologically Timed Relaxation Interventions In Children With Asd, Nicholas Mendez
CMC Senior Theses
Autism Spectrum Disorder (ASD) is an increasingly common developmental disorder that changes how people experience the world and affects individuals’ social interactions and often leads to many adverse behaviors. Current literature dictates that a primary contributor to these adverse behaviors is that those with ASD have difficulty determining their own emotional states and determining the physiological signals that their body sends them. A study by Dr. Sarabadani et al. determined that it was possible to monitor the physiology of an individual with ASD and correlate certain signals to emotions, such as stress. These findings indicate the feasibility of establishing a …
Influence Of Heating And Biological Sex On Vascular Dysfunction Associated With Long-Duration Sitting And Standing, Aaron Richard Caldwell
Influence Of Heating And Biological Sex On Vascular Dysfunction Associated With Long-Duration Sitting And Standing, Aaron Richard Caldwell
Graduate Theses and Dissertations
Purpose: The purpose of these studies was to determine if arterial angulations (through sitting or standing), shear stress (through local heating), or a combination of these factors affected vascular function. Moreover, this studied estimated the magnitude of the effect that biological sex has on these vascular responses. Methods: Twenty-six healthy, young (18-40 years old) males (n=13) and females (n=13) completed two experimental trials (2-h sitting and 2-h standing). In a randomized fashion, one leg was passively heated in order to increase shear rate. Following a 48-h washout, participants returned to the laboratory to complete the other trial. Flow-mediated dilation (FMD) …
Risperidone And Its Deconstructed Analogs: Functional Effects On The 5ht2ar, Sneha Shah
Risperidone And Its Deconstructed Analogs: Functional Effects On The 5ht2ar, Sneha Shah
Theses and Dissertations
G protein-coupled receptors (GPCRs) are seven-transmembrane domain receptors that sense extracellular signal and activate intracellular signaling pathways. The serotonin 5HT2A receptor (or 2AR) is one of the GPCRs coupled to Gq proteins, activating PLC and hydrolyzing PIP2. This hydrolysis causes a diffusion of bound PIP2 away from the channel binding site resulting in G protein-gated inwardly rectifying K+ channel (GIRK) inhibition and a downstream stimulation of Ca2+ release from endoplasmic reticulum stores. Previous experiments have demonstrated that the serotonin 5HTA receptor is a target of serotonergic psychedelic drugs, such as LSD, and partially mediates the action of many …
Anti-Müllerian Hormone In Stallions And Mares: Physiological Variations, Clinical Applications, And Molecular Aspects, Anthony N.J. Claes
Anti-Müllerian Hormone In Stallions And Mares: Physiological Variations, Clinical Applications, And Molecular Aspects, Anthony N.J. Claes
Theses and Dissertations--Veterinary Science
Anti-Müllerian hormone (AMH) is a homodimeric glycoprotein that is best known for its role in regression of the Müllerian duct in the male fetus. Accumulating evidence indicates that AMH also has an important role during different physiological processes after birth. In contrast to other species, relatively little is known about AMH in the horse. In chapter one, developmental and seasonal changes in serum AMH concentrations in male horses were determined, and the use of AMH for determination of retained cryptorchid testes was established. In chapter two, the interrelationship between plasma AMH concentrations, antral follicle counts (AFC), and age in mares …
Thimerosal-Induced Neuritoxicity: Apoptosis Occurs Through A Mitochondrial-Mediated Pathway Via The Jnk Signaling Pathway, Michelle L. Herdman
Thimerosal-Induced Neuritoxicity: Apoptosis Occurs Through A Mitochondrial-Mediated Pathway Via The Jnk Signaling Pathway, Michelle L. Herdman
Theses, Dissertations and Capstones
Thimerosal is an organic mercurial containing an ethylmercury moiety attached to the sulfur atom of thiosalicylate. Since the 1930s, thimerosal has been used as an antiseptic and a preservative in a wide variety of products, including medicinal preparations administered to children and pregnant women. Past exposures to mercurials have indicated that mercury is a neurotoxin, and can also affect the kidney, skin, eyes, and immune system. Additionally, fetuses exposed to mercurials are more susceptible to toxicity because the nervous system is continuously developing. However, despite its widespread use, thimerosal was only studied on a limited basis until the end of …
The Relationship Between Functional And Histological Changes In Muscle Following Eccentric Exercise In Mice, Michael John Newton
The Relationship Between Functional And Histological Changes In Muscle Following Eccentric Exercise In Mice, Michael John Newton
Theses: Doctorates and Masters
Exercise-induced muscle damage (EIMD) is known to be produced by novel or unaccustomed exercise, especially high force eccentric contractions. Histological myofibre disruption, force loss and muscle soreness are associated with EIMD and have implications for sporting performance. Traditional practices of assessing the extent of disruption to the myofibres is by performing needle biopsies and subsequently analysing the histology of the fibres. Recently there has been interest in investigating whether changes in force production and contractile properties of muscle following damaging exercise correlate strongly with the magnitude of disruption to the myofibres. The main aim of this study was to investigate …