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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
A Comparison Of Fall-Related Psychological Measures In A Community-Based Setting, Delilah Susanne Moore
A Comparison Of Fall-Related Psychological Measures In A Community-Based Setting, Delilah Susanne Moore
LSU Doctoral Dissertations
Falls and the fall-related psychological concerns associated with these events pose a serious public health problem among aging adults. Fall-related psychological instruments can be useful in quantifying important endpoints for fall prevention programs (Jorstad et al., 2005), yet no research currently exists to justify the use of these psychological instruments in a community-based falls risk screening. Therefore, the purpose of this dissertation was to examine the psychometric properties of several fall-related psychological measures in a falls risk screening context by: (a) examining the reliability and validity of the Falls Efficacy Scale-International (FES-I), Activities-specific Balance Confidence (ABC), modified Survey of Activities …
The Influence Of Peripheral Neuropathy On Walking Kinematics And Physical Function, Bradley Manor
The Influence Of Peripheral Neuropathy On Walking Kinematics And Physical Function, Bradley Manor
LSU Doctoral Dissertations
The 108th Congress (2005) has reported that 20 million U.S. citizens suffer from Peripheral Neuropathy (PN). Characterized by sensory nerve deterioration, PN reduces somatosensation (Padua et al., 2005) and increases the risk of fall-related injury (Richardson et al., 1992). The purpose of this dissertation was to provide insight into 1) the effects of acute loss of foot sole sensation on locomotor system health, 2) the effects of PN on locomotor system health, and 3) the underlying impairments associated with reduced physical function within the older adult and PN populations. Locomotor system health was assessed by the magnitude of stride-to-stride variability …
Brachial Artery Flow Mediated Vasodilation: Effect Of Chemical Analytes, Diet, Exercise, And Genetic Markers, Joanie Brocato Wilson
Brachial Artery Flow Mediated Vasodilation: Effect Of Chemical Analytes, Diet, Exercise, And Genetic Markers, Joanie Brocato Wilson
LSU Doctoral Dissertations
The goal of this research was to gain a better understanding of interplay between molecular biology, physiology, biochemistry, functionality with disease and interventions. The primary findings of the first study were that there was a significant inverse correlation between homocysteine and brachial artery flow mediated dilation (BAFMD) and baseline brachial artery diameter. Interestingly, there was a significant difference in BAFMD between methylene tetrahydrofolate reductase (MTHFR) genotype groups. Regression analysis indicated that the MTHFR genotype, homocysteine and age were significant predictors of BAFMD. The second study revealed that vascular reactivity as measured by BAFMD was modifiable. A meta-analysis of 22 intervention …
The Use Endocrine Markers To Predict And Monitor Performance In Strengh [Sic] And Power Activities, Jason B. Winchester
The Use Endocrine Markers To Predict And Monitor Performance In Strengh [Sic] And Power Activities, Jason B. Winchester
LSU Doctoral Dissertations
Hormones are typically considered to be chemical messengers, which are designed to be released from specific cells where they are carried to their target tissues for binding to receptors. It is this binding of a hormone molecule to its specific receptor which allows for an action to occur (Hadley and Levine 2006). Testosterone is the predominant androgen in the majority of mammalian species and is largely responsible for regulation of reproduction and maintenance of sexual function. In addition, in adult mammals, T has multiple other roles including the growth of muscle and bone, hematopoesis, blood coagulation, development and regulation of …
Systematically Increasing Contextual Interference Is Beneficial For Learning Novel Motor Skills, Jared Marak Porter
Systematically Increasing Contextual Interference Is Beneficial For Learning Novel Motor Skills, Jared Marak Porter
LSU Doctoral Dissertations
Traditionally, contextual interference (CI) has been investigated by the use of extreme low and high levels of CI (blocked and random practice schedules); with results generally suggesting that higher rather than lower amounts of CI facilitated motor skill learning (Magill & Hall, 1990). To better understand the CI effect, two experiments were conducted investigating an alternative form of practice schedule. Practice using this alternative schedule provided novices experiences with systematic increases in CI, which were compared to traditional blocked and random scheduling. Experiment 1 tested the hypothesis that practicing variations of the same tasks with systematic increases in CI would …
Exercise And Peripheral Vascular Function In Health And Disease, Arturo Arce
Exercise And Peripheral Vascular Function In Health And Disease, Arturo Arce
LSU Doctoral Dissertations
“Chronic disease will never reach its clinical horizon to compromise health if it is attacked at its origin” [1]. Knowledge that one’s risk for cardiovascular events is related to the severity of endothelial dysfunction, and evidence that exercise training can improve endothelial function, has prompted speculation that measures of vascular function may serve as a “barometer” for cardiovascular health. This dissertation consists of three experiments intended to study vascular function and the manner in which it may influence or may be influenced by physical function. Project one examined the influence of high and low volume circuit weight training on forearm …