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Articles 1 - 9 of 9
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The Effect Of Twist On The Mechanical Properties Of The Intervertebral Disc, Maxine Harvey-Burgess
The Effect Of Twist On The Mechanical Properties Of The Intervertebral Disc, Maxine Harvey-Burgess
Theses and Dissertations (Comprehensive)
Introduction: Intervertebral disc (IVD) herniation is a common injury to the IVD and a frequent source of low back pain. IVD herniation occurs when the nucleus pulposus migrates through both the inter- and intralamellar matrices of the annulus fibrosus (AF). There are a number of mechanical risk factors associated with herniation, including repetitive flexion and twist. In vivo, twist combined with repetitive flexion has been associated with increased experience of low back pain and herniation. Additionally, in vitro, when repetitive flexion is combined with twist, IVD herniation occurs more easily than repetitive flexion alone. However, the mechanisms behind …
Health-Related Quality Of Life And Physical Activity In University Employees, Meghan Hoefs
Health-Related Quality Of Life And Physical Activity In University Employees, Meghan Hoefs
Theses and Dissertations (Comprehensive)
Background: Health-related quality of life (HRQL) reflects an individual’s subjective perception. The relationship between health-related quality of life and physical activity has been investigated in various populations, but is not well-documented in University employees. Additionally, variables such as an individual’s beliefs about physical activity and their satisfaction with functioning at work have yet to be investigated in this population. Little is known about the relationship between HRQL and these variables. Purpose: Evaluate the relationships among multiple measures of HRQL and physical activity in University employees and provide a descriptive picture of the University population. Methods: Participants (N …
Exploring Police Officers' Perceptions Of Mobile Crisis Rapid Response Teams Within A Nodal Policing Framework, Trevor Viersen
Exploring Police Officers' Perceptions Of Mobile Crisis Rapid Response Teams Within A Nodal Policing Framework, Trevor Viersen
Theses and Dissertations (Comprehensive)
An increasing portion of police service resources are being dedicated to interactions involving persons with mental illness (PMI). As a result, Mobile Crisis Rapid Response Teams (MCT) comprised of mental health professionals have been recently implemented to assist police officers in more efficiently handling police calls for service involving PMI. The current ethnographic study used data collected through researcher ride-alongs with police officers at a mid-sized police service in Ontario to assess how police officers interact with and perceive MCTs. Results from thematic analysis indicated that officers value the skill sets possessed by MCT workers, had relatively positive perceptions towards …
Structure-Function Investigation Of Proteins Involved In Cellulose Biosynthesis By Escherichia Coli, Thomas Brenner
Structure-Function Investigation Of Proteins Involved In Cellulose Biosynthesis By Escherichia Coli, Thomas Brenner
Theses and Dissertations (Comprehensive)
Bacteria thrive within multicellular communities called biofilms consisting of a self-produced matrix. Biofilm matrices improve bacterial adherence to surfaces while creating a barrier from host immune responses, disinfectants, antibiotics and other environmental factors. Persistent colonization by the widely distributed pathogens, Escherichia coli and Salmonella spp., has been linked to production of biofilms composed of the exopolysaccharide cellulose. Cellulose-containing biofilms are also important to Acetobacter, Sarcina, Rhizobium and Agrobacterium species to form symbiotic and pathogenic interactions. In Enterobacteriaceae, two operons (bcsABZC and bcsEFG) are proposed to encode for proteins that form a cellulose biosynthetic complex that spans the …
Learning And Working Together: Invoking Systems’ Change Through Inter-Organizational Collaborative Principles And A Learning Community Framework, Brandon Hey
Theses and Dissertations (Comprehensive)
Local communities face significant challenges such as increased inequality, immigration, and global climate change. In order to address these challenges whole cities have to innovate and learn together. In this thesis, I introduce the Learning Community (LC) model, a new way of collaborating and creating collective impact that emphasizes learning, alongside collective impact, as a central strategy to addressing complex social challenges. In a LC, members value the continuous pursuit of knowledge, feedback, and experimentation as well as the flow of information and resources between academic institutions and practice groups. The value of learning is built into key structures …
Developing And Testing Quality Indicators For Seriously-Ill Home Care Clients In Ontario, Lisa Harman
Developing And Testing Quality Indicators For Seriously-Ill Home Care Clients In Ontario, Lisa Harman
Theses and Dissertations (Comprehensive)
Introduction Currently in Ontario, there is no set of quality indicators for use in palliative care settings. Palliative care research tends to focus heavily on those with cancer diagnoses, and therefore potentially misses those with other life limiting illnesses. The current study aims to develop a preliminary set of quality indicators relevant for seriously-ill individuals for use in the community. Methods Secondary analysis of Resident Assessment Instrument for Home Care (RAI-HC) data from 2006-2013 (n=263,767) was used to develop QIs thought to be relevant to the needs of seriously-ill home care clients. Seriously-ill clients were defined as those with a …
Auditory Erp Differences Across A Continuum Of Psychotic Symptoms In Non-Clinical Population, Anaya Rehman
Auditory Erp Differences Across A Continuum Of Psychotic Symptoms In Non-Clinical Population, Anaya Rehman
Theses and Dissertations (Comprehensive)
Psychosis is a term given to a mental state described as a loss of contact with the real world. The aim of this thesis was to examine early non-specific psychotic experiences in a healthy population by means of two self-report screening tools: Prime Screen and Youth Psychosis At-Risk Questionnaire-Brief, and place individuals on a psychosis continuum. Across this psychosis continuum, three event related potential (ERP) components were assessed: P300, Mismatch Negativity and N100. There is evidence that P300 and mismatch negativity amplitudes diminish in individuals with psychosis. Similarly, impaired N100 amplitude suppression (increased N100 amplitudes) during vocalization has been observed …
The Effects Of A 12-Week Custom Foot Orthotic Intervention On The Intrinsic Muscles Of The Foot, And Dynamic Stability During Unexpected Gait Termination In Healthy Young Adults, Katrina Protopapas
The Effects Of A 12-Week Custom Foot Orthotic Intervention On The Intrinsic Muscles Of The Foot, And Dynamic Stability During Unexpected Gait Termination In Healthy Young Adults, Katrina Protopapas
Theses and Dissertations (Comprehensive)
Introduction: Custom-made foot orthotics (CFO’s) are a commonly prescribed intervention to help individuals that are suffering from foot pain and foot disorders. However, the mechanisms of CFO’s are still poorly understood and are not well known. With the plantar intrinsic muscles of the foot being in direct contact with the CFO, it puts these structures at risk for disuse muscle atrophy as a result of being offloaded. Therefore, the purpose of the current study was to determine the effect of a 12-week custom-made foot orthotic intervention on the intrinsic muscles of the foot and dynamic stability during unexpected gait termination. …
The Effects Of Orthotics And Increased Plantar Sole Mechanoreceptor Activation On Turning Performance In Individuals With Parkinson’S Disease, Kelly A. Robb
Theses and Dissertations (Comprehensive)
Locomotion and turning are complex movement patterns essential to activities of daily living. Individuals with Parkinson’s disease (PD) report difficulties turning, often coupled with impaired balance and increased fear of falling. The purpose of this within-subject study was to determine if orthotics, with and without a textured top cover, can improve gait stability and turning performance within Parkinson’s participants. Seven participants with a diagnosis of idiopathic Parkinson’s disease, aged 55-80 years old, participated in the study. Participants completed three testing sessions; baseline, 4 weeks post-baseline, and 5 weeks post-baseline. The ‘footwear only’ and ‘footwear + non-textured orthotic’ conditions were tested …