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Musculoskeletal, Neural, and Ocular Physiology Commons™
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Articles 1 - 18 of 18
Full-Text Articles in Musculoskeletal, Neural, and Ocular Physiology
The Effect Of Chronic Sleep Deprivation On Tumor Necrosis Factor Alpha And Bone Health In Peri-Menopausal Rats, Megan Robertson, Derek Booth, Erin Wainwright, Cody Arbuckle, Frank Frisch
The Effect Of Chronic Sleep Deprivation On Tumor Necrosis Factor Alpha And Bone Health In Peri-Menopausal Rats, Megan Robertson, Derek Booth, Erin Wainwright, Cody Arbuckle, Frank Frisch
Student Scholar Symposium Abstracts and Posters
Post-menopausal osteoporosis is a common syndrome in the United States. The cessation of estrogen signaling coupled with the production of pro-inflammatory cytokines from sleep deprivation leads to an even greater risk of post-menopausal osteoporosis by creating an imbalance between osteoblasts and osteoclasts. With estrogen no longer present to regulate the concentration of osteoclasts and pro-inflammatory cytokines increasing production of osteoclasts, bone is degraded at a faster rate than it is formed. One of the most common treatments for osteoporosis is Zolendronate (a nitrogenous bisphosphonate), which decreases the number of osteoclasts in bone. This preliminary study looked at the effects on …
The Effect Of Spinal Cord Injury On Vagal Afferents., April N. Herrity
The Effect Of Spinal Cord Injury On Vagal Afferents., April N. Herrity
Electronic Theses and Dissertations
Spinal cord injury (SCI) is a significant public health concern that leaves patients with a multitude of life-long disabilities. Major complications of SCI apart from paralysis, include deficits in bladder and bowel function. Lower urinary tract dysfunction continues to remain a top priority issue affecting quality of life for this population. The majority of visceral organs receive a dual sensory innervation from both spinal nerves as well as the vagus nerve. Following SCI, the vagus nerve is a potential pathway through which information from regions below the level of a spinal injury can travel directly to the brainstem, bypassing the …
Motor Assessment Using The Nih Toolbox, David Reuben, Susan Magasi, Heather Mccreath, Richard Bohannon, Ying-Chih Wang, Deborah Bubela, William Rymer, Jennifer Beaumont, Rose Rine, Jin-Shei Lai, Richard Gershon
Motor Assessment Using The Nih Toolbox, David Reuben, Susan Magasi, Heather Mccreath, Richard Bohannon, Ying-Chih Wang, Deborah Bubela, William Rymer, Jennifer Beaumont, Rose Rine, Jin-Shei Lai, Richard Gershon
Rose Marie Rine P.T., Ph.D.
Motor function involves complex physiologic processes and requires the integration of multiple systems, including neuromuscular, musculoskeletal, and cardiopulmonary, and neural motor and sensory-perceptual systems. Motor-functional status is indicative of current physical health status, burden of disease, and long-term health outcomes, and is integrally related to daily functioning and quality of life. Given its importance to overall neurologic health and function, motor function was identified as a key domain for inclusion in the NIH Toolbox for Assessment of Neurological and Behavioral Function (NIH Toolbox). We engaged in a 3-stage developmental process to: 1) identify key subdomains and candidate measures for inclusion …
Role Of Astrocyte Network In Edema After Juvenile Traumatic Brain Injury, Andrew Minoru Fukuda
Role Of Astrocyte Network In Edema After Juvenile Traumatic Brain Injury, Andrew Minoru Fukuda
Loma Linda University Electronic Theses, Dissertations & Projects
Juvenile traumatic brain injury (jTBI) is the leading cause of death and disability in young children and adolescents. Despite its lasting detrimental effects on the developing brain, no pharmacological treatment exists. One of the pathological hallmarks of jTBI is edema. Astrocytes play a key role in the edema process, and have been hypothesized that numerous astrocyte networks allow communication and propagation of edema and secondary injury spread. Two key astrocyte proteins are hypothesized to have a central role in the edema process: Aquaporin 4 (AQP4) and Connexin 43 (Cx43). AQP4 is expressed extensively in astrocyte endfeet, which surrounds the blood …
The Antisaccade Task: Visual Distractors Elicit A Location-Independent Planning 'Cost', Jesse C. Desimone
The Antisaccade Task: Visual Distractors Elicit A Location-Independent Planning 'Cost', Jesse C. Desimone
Electronic Thesis and Dissertation Repository
Prosaccades are rapid eye movements with direct stimulus and response relations and are designed to bring the fovea onto a target or area of interest. In contrast, antisaccades require the inhibition of a prosaccade and the evocation of a saccade to a target’s mirror-symmetrical location. Previous work has shown that a remote (i.e., midline, contralateral) – but not proximal (i.e., ipsilateral) – task-irrelevant distractor relative to a visual target delays prosaccade reaction times (RT) (i.e., remote distractor effect: RDE). To my knowledge, however, no work has examined whether antisaccade RTs are similarly influenced by a RDE. Accordingly, I sought to …
An Investigation Of The Relationship Between Plantar Weight Distribution And The Condition Of Osteoarthritic Knees During Quiet Standing, Brian Joseph Sutterer
An Investigation Of The Relationship Between Plantar Weight Distribution And The Condition Of Osteoarthritic Knees During Quiet Standing, Brian Joseph Sutterer
Graduate Theses - Biology & Biomedical Engineering
Osteoarthritis (OA) is a damaging disease that commonly affects the knee and can impact function of the lower limb. This study examined how plantar weight distribution is related to the changes in knee alignment and various types of joint damage in patients with OA. A force mat was used to measure plantar weight distribution on 37 patients with knee OA, and the internal condition of the knee was evaluated during surgery. Analysis showed a relationship between medial plantar weight distribution and an increase in knee alignment angle (0.20, p < 0.001). For the damage models, an indirect relationship was found between medial weight distribution and ACL damage (-0.14, p=0.029). No relationship was found for the other types of OA damage. It is reasonable to believe they do exist, however. This study found a connection between weight distribution and alignment, and previous research has shown one between alignment and OA.
Roles Of P2x7 Receptors In Adipose And Skeletal Tissues Of Mice, Kim L. Beaucage
Roles Of P2x7 Receptors In Adipose And Skeletal Tissues Of Mice, Kim L. Beaucage
Electronic Thesis and Dissertation Repository
P2X7 is an ATP-gated ion channel in the plasma membrane of a number of cell types. Previous in vitro studies show that P2X7 plays a role in regulating the differentiation of osteoblasts and adipocytes from mesenchymal precursors, as well as cellular metabolism and energy homeostasis. Furthermore, P2X7 has been implicated in mediating the effects of mechanical stimuli in bone. Our objective was to investigate the roles of P2X7, mechanical vibration, and their possible interaction in regulating body composition in vivo. We developed a novel method to monitor body composition during growth and aging in mice using micro-computed tomography (Chapter …
Fty720 (Fingolimod) Provides Insight Into The Molecular Mechanisms Of Multiple Sclerosis, Madelyn Elizabeth Crawford
Fty720 (Fingolimod) Provides Insight Into The Molecular Mechanisms Of Multiple Sclerosis, Madelyn Elizabeth Crawford
Pursuit - The Journal of Undergraduate Research at The University of Tennessee
Multiple sclerosis (MS) is a neurodegenerative disorder caused by a prolonged immune- mediated inflammatory response that targets myelin. Nearly all of the drugs approved for the treatment of MS are general immunosuppressants or only function in symptom management. The oral medication fingolimod, however, is reported to have direct therapeutic effects on cells of the central nervous system in addition to immunomodulatory functions. Fingolimod is known to interact with sphingosine-1-phosphate (S1P) receptors, and the most widely- accepted theory for its mechanism of action is functional antagonism of the receptor. This review examines significant neuromodulatory effects achieved by functional antagonism of the …
Ampk Activation: A Therapeutic Target For Type 2 Diabetes?, Kimberly A. Coughlan, Rudy Valentine, Neil B. Ruderman, Asish K. Saha
Ampk Activation: A Therapeutic Target For Type 2 Diabetes?, Kimberly A. Coughlan, Rudy Valentine, Neil B. Ruderman, Asish K. Saha
Rudy Valentine
Performance Evaluation Of Material Decomposition Using Rapid Kvp-Switching Dual-Energy Ct For Assessing Bone Mineral Density, John M. Wait
Performance Evaluation Of Material Decomposition Using Rapid Kvp-Switching Dual-Energy Ct For Assessing Bone Mineral Density, John M. Wait
Dissertations & Theses (Open Access)
Osteoporosis is diagnosed by assessing the bone mineral density (BMD) of the trabecular bone, and has previously been characterized with dual-energy x-ray absorptiometry (DXA) or single-energy computed tomography (SECT). Dual-energy computed tomography (DECT) is able to create two three-dimensional sets of images representing the densities of two materials in a given basis pair. DECT is theoretically capable of providing a true density measurement of trabecular bone material with the proper material basis pair.
Using the rapid kVp-switching GE HD750 scanner, the concentrations of various solutes were assessed in two-material syringe-phantoms in different experimental conditions with DECT material density images, SECT …
Clay Modeling Of The Musculoskeletal System: Does Active Learning Increase Retention And Comprehension, Kelly Massey
Clay Modeling Of The Musculoskeletal System: Does Active Learning Increase Retention And Comprehension, Kelly Massey
Interdisciplinary STEM Teaching & Learning Conference (2012-2019)
The focus of a Structural Kinesiology course is a detailed study into the musculoskeletal system and joint action. The course contains a lot of memorization: skeletal muscle origin, insertions, innervations and muscle/joint actions but there is also an applied component for the content. Group study has been incorporated into the course to increase knowledge retention and comprehension however group interaction has been seen to be minimal. Two studies have looked at group construction of skeletal muscle models using clay during class time in assisting with the active learning of muscle origin, insertion and actions (Cruz-Espaillat et al., 2010 & Waters …
Acetaminophen Improves Protein Translational Signaling In Aged Skeletal Muscle, Miaozong Wu, Hua Liu, Jacqueline Fannin, Anjaiah Katta, Yeling Wang, Ravi Kumar Arvapalli, Satyanarayana Paturi, Sunil K. Karkala, Kevin M. Rice, Eric R. Blough
Acetaminophen Improves Protein Translational Signaling In Aged Skeletal Muscle, Miaozong Wu, Hua Liu, Jacqueline Fannin, Anjaiah Katta, Yeling Wang, Ravi Kumar Arvapalli, Satyanarayana Paturi, Sunil K. Karkala, Kevin M. Rice, Eric R. Blough
Ravi K. Arvapalli
Background: Age-related muscle atrophy is characterized by increased oxidative stress, diminished Akt enzymatic function, and reduced phosphorylation of the mammalian target of rapamycin (mTOR), which can be attenuated by chronic acetaminophen ingestion. Here we hypothesize that age-related impairments in Akt/ mTOR function are associated with reduced protein translational signaling, and that these changes, if present, can be attenuated by acetaminophen treatment. Results: Compared to 6- and 27-month old animals, the expression of the mTOR-complex proteins raptor and GbL and the phosphorylation of tuberin/TSC2 (Thr1462) were reduced in the soleus muscles of very aged rats (33 months old). These changes in …
Effects Of Body Armor And Load Carriage On Lower Limb Joint Movement, Huiju Park, Donna Branson, Adriana Petrova, Semra Peksoz, Carla Goad, Aric J. Warren, Bert Jacobson, Panagiotis Kamenidis
Effects Of Body Armor And Load Carriage On Lower Limb Joint Movement, Huiju Park, Donna Branson, Adriana Petrova, Semra Peksoz, Carla Goad, Aric J. Warren, Bert Jacobson, Panagiotis Kamenidis
Journal of Human Performance in Extreme Environments
This study investigated the impact of body armor weight and load magnitude and distribution on the lower extremities during walking. Range of motion (ROM) was assessed while seven healthy, male, right-handed, military university students walked while wearing seven different garments of varying weights (0.06 kg, 9 kg, 18 kg, and 27 kg) and load distributions. Decreased pelvic rotation found with an increase in weight implies decreased mobility by restricting the leg’s swing to propel the body forward. Increased ROM for pelvic tilt found with increased weight results from increased forward inclination suggesting an increased possibility for fatigue and musculoskeletal pain …
Osteopathic Manipulative Medicine (Omm) And Reduction Of Nsaid Use In Low Back Pain: A Pilot Study, Kristopher Kelly
Osteopathic Manipulative Medicine (Omm) And Reduction Of Nsaid Use In Low Back Pain: A Pilot Study, Kristopher Kelly
PCOM Biomedical Studies Student Scholarship
This randomized controlled pilot study is to determine if a combination of muscle energy and soft tissue techniques can reduce the amount of daily NSAID use in patients suffering from chronic non-specific low back pain (CNSLBP). Osteopathic manipulative treatment has been shown to be useful in treating low back pain. However, its role in reducing daily NSAID use in CNSLBP patients is unclear. This study was conducted at PCOM from January 2014 to April 2014. By design, patients were to be randomized into either a treatment group consisting of OMT or a control group consisting of a sham OMT. Of …
Gender Differences In High Sensitivity C - Reactive Protein And Self-Reported Muscle Strengthening Activity Among U.S. Adults, Michael R. Richardson
Gender Differences In High Sensitivity C - Reactive Protein And Self-Reported Muscle Strengthening Activity Among U.S. Adults, Michael R. Richardson
UNF Graduate Theses and Dissertations
Objectives: We sought to examine the gender differences between C - reactive protein (CRP) and muscle strengthening activity (MSA) in U.S. adults (≥20 years of age)
Background: Elevated levels of CRP have been shown to be associated with an increase in risk of cardiovascular disease (CVD). Studies analyzing the relationship between physical activity (PA) and CRP by gender have produced mixed results.
Methods: The sample (n=9,135) included participants in the 1999-2004 National Health and Nutrition Examination Survey (NHANES). Three categories of reported MSA participation were created: no MSA (referent group), some MSA (≥1 to/wk), and meeting the …
Transmural Heterogeneity Of Cellular Level Cardiac Contractile Properties In Aging And Heart Failure, Premi Haynes
Transmural Heterogeneity Of Cellular Level Cardiac Contractile Properties In Aging And Heart Failure, Premi Haynes
Theses and Dissertations--Physiology
The left ventricle of the heart relaxes when it fills with blood and contracts to eject blood into circulation to meet the body’s metabolic demands. Dysfunction in either relaxation or contraction of the left ventricle can lead to heart failure. Transmural heterogeneity is thought to contribute to normal ventricular wall motion but it is not well understood how transmural modifications affect the failing left ventricle. The overall hypothesis of this dissertation is that normal left ventricles exhibit transmural heterogeneity in cellular level contractile properties and with aging and heart failure there are region-specific changes in cellular level contractile mechanisms.
Age …
Evaluation Of Tissue-Engineered Tendon Enthesis Polymer Constructs, Joshua A. Bundy Bs, Mary Beth Wade Phd, Hitomi Nakao Md, Phillip Mcclellan Phd, Qing Yu Phd, Robin Jacquet-Childs Ms, William J. Landis Phd
Evaluation Of Tissue-Engineered Tendon Enthesis Polymer Constructs, Joshua A. Bundy Bs, Mary Beth Wade Phd, Hitomi Nakao Md, Phillip Mcclellan Phd, Qing Yu Phd, Robin Jacquet-Childs Ms, William J. Landis Phd
Williams Honors College, Honors Research Projects
Both scientists and clinicians have proposed tissue engineering as the future of medicine. The possibilities for tissue engineering, that is, fabrication of tissues and organs in the laboratory and their translation to patients, appear to be endless, and many believe that this new approach in medicine will result in abolishing many common ailments, injuries, and congenital defects. Injuries to a tendon enthesis, the normal tissue connection between tendon and bone, are of particular concern to clinicians because of their frequency and failure to repair as a result of surgery. While these injuries may not be life threatening, they can certainly …
Effect Of Head And Limb Orientation On Trunk Muscle Activation During Abdominal Hollowing In Chronic Low Back Pain, Kevin Parfrey, Sean G. Gibbons, Eric J. Drinkwater, David G. Behm
Effect Of Head And Limb Orientation On Trunk Muscle Activation During Abdominal Hollowing In Chronic Low Back Pain, Kevin Parfrey, Sean G. Gibbons, Eric J. Drinkwater, David G. Behm
Research outputs 2014 to 2021
Background: Individuals with chronic low back pain (CLBP) have altered activations patterns of the anterior trunk musculature when performing the abdominal hollowing manœuvre (attempt to pull umbilicus inward and upward towards the spine). There is a subgroup of individuals with CLBP who have high neurocognitive and sensory motor deficits with associated primitive reflexes (PR). The objective of the study was to determine if orienting the head and extremities to positions, which mimic PR patterns would alter anterior trunk musculature activation during the hollowing manoeuvre. Methods. This study compared surface electromyography (EMG) of bilateral rectus abdominis (RA), external oblique (EO), and …