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Full-Text Articles in Life Sciences

L-Glutamine Supplementation: Effects On Recovery From Exercise, Tavis Joseph Piattoly Jan 2005

L-Glutamine Supplementation: Effects On Recovery From Exercise, Tavis Joseph Piattoly

LSU Master's Theses

Clinical evidence supports the use for exogenous glutamine in the maintenance of muscle mass and immune system function in critically ill patients. Relatively little research has examined the benefits of glutamine for athletes engaged in heavy exercise training, despite a possible link between overtraining and glutamine. PURPOSE: To examine the influence of Glutamine on time to exhaustion and power after a prolonged bout of exercise. METHODS: Twelve men (Age: 19 to 30y) involved in cycle training were asked to participate in the study. All participants performed a Symptom-Limited Graded Exercise Test (SL-GXT) using the Astrand Cycle protocol. On a subsequent …


Hemodynamic And Ocular Responses To Caloric Stimulation And Age-Related Disparities, Melissa J. Deveer Jan 2005

Hemodynamic And Ocular Responses To Caloric Stimulation And Age-Related Disparities, Melissa J. Deveer

LSU Master's Theses

Age-related declines in vestibular function affect balance and coordination in older adults. Of perhaps equal importance, but less understood, are the potential implications of vestibular degeneration on cardiovascular homeostasis. Recent evidence suggests that the semi-circular canals, a section of the vestibular system, may be involved in the vestibulosympathetic reflex (VSR), but the extent to which the aging of the semi-circular canals interferes with cardiovascular homeostasis is unknown. Activation of the intact VSR results in increases in tonometric blood pressure (TBP) and heart rate (HR) as well as decreases in cardiac output (Q) and pre-ejection period (PEP). The purpose of this …


Physical Function And Health Related Quality Of Life In Culturally Diverse Elders: Evidence Of Environmental Press, Robyn M. Bossier Jan 2005

Physical Function And Health Related Quality Of Life In Culturally Diverse Elders: Evidence Of Environmental Press, Robyn M. Bossier

LSU Master's Theses

The purpose of this project was to identify group differences in physical function and HRQL between older adults living in different environments, and to compare information from these groups to data from a random sample of elders pulled from the general population. METHODS: Seventy-eight older adults were evaluated for physical function using the continuous-scale physical functional performance test (CS-PFP) and HRQL using the SF-36 v.2. Subjects were 26 predominantly African American participants (LOW group; age 72.2 ± 8.1 years), 26 Caucasian adults (HIGH group; age 77.6 ± 4.8 years), and 26 adults selected from a population-based study (POP group; age …


Differences Between Targeted And Measured Body Weight Support With The Usage Of A Body Weight Support System, Robin Cropper Jan 2005

Differences Between Targeted And Measured Body Weight Support With The Usage Of A Body Weight Support System, Robin Cropper

LSU Master's Theses

The purpose of the study was to determine if the body weight support system (BWSS) maintains the targeted percentage of the subject's body weight support (BWS) during walking and to explore the relationship between unloading and ground reaction force. Sixteen healthy college students (mean age: 22 years old) were recruited as subjects. Tests were conducted using an instrumented treadmill with a BWSS. The BWSS harness was secured around the lower abdomen and pelvis of each subject for effective body weight support. Vertical ground reaction force was measured by force platforms embedded in the treadmill. A force sensor was attached to …


Oxygen Uptake Efficiency Slope And Functional Physical Performance In Elderly Adults, Scott Eric Fuller Jan 2005

Oxygen Uptake Efficiency Slope And Functional Physical Performance In Elderly Adults, Scott Eric Fuller

LSU Master's Theses

Background: The Oxygen Uptake Efficiency Slope (OUES) attained during submaximal treadmill exercise is a reliable index of cardiorespiratory capacity in older adults. This investigation compares OUES values derived during treadmill walking and performance of the Continuous Scale Physical Function Performance test (CS-PFP). Method: A Cosmed portable metabolic cart was used to collect breath gases in 36 older adults (age: 81.8 +/- 7.8 years). Twenty-one subjects performed both the incremental treadmill test and the CS-PFP while an additional 15 subjects performed the CS-PFP, only. Results: The regression of log Ventilation vs. VO2 reveals similar correlations for the CS-PFP and treadmill …


Autonomic Nervous System Modulation Of The Heart Following A High Carbohydrate Liquid Meal, Calynn Davis Bunol Jan 2005

Autonomic Nervous System Modulation Of The Heart Following A High Carbohydrate Liquid Meal, Calynn Davis Bunol

LSU Master's Theses

The involvement of the sympathetic nervous system in the pathology of obesity has long been a debate among researchers. Various methods of capturing the resting sympathetic activity as well as the response of the sympathetic activity elicited by the introduction of a meal or a bout of exercise in both lean and obese individuals have been investigated. This study examined the autonomic modulation of the heart following a high carbohydrate liquid meal in various body types. Twenty-five females with body mass indexes [weight (kg)/height2(m)] ranging from 19.3-39.5 were grouped according to relative basal energy expenditure adjusted for lean …