Few studies have compared cortisol responses to psychological and physical stress tasks with or without social evaluation. Flow-mediated dilation (FMD) with reactive hyperemia is impaired following acute stress though less is known regarding the impact of stress and cortisol on FMD with exercise induced increases in shear stress (EX-FMD). The purpose of this study was 1) to compare cortisol responses between the Trier Social Stress Test (TSST) and 5min cold pressor test with and without social evaluation (CPT, CPT+SE) and 2) to examine the impact of these stressors and cortisol elevation on EX-FMD. 59 healthy male subjects were randomly assigned to one of three conditions: TSST, CPT, or CPT+SE. Brachial artery EX-FMD was assessed before, 15 and 35min post-stress with Echo and Doppler ultrasound. Results are mean ± SD. Baseline parameters did not differ between conditions (p>.05) and stress responses were similar between the three conditions for peak cortisol: TSST 11.34±5.53nmol/L; CPT 10.08±4.48nmol/L; CPT+SE 8.51±3.60nmol/L; condition effect p=.292; cortisol responders only (increase >2nmol/L) TSST 12.48±5.24nmol/L; CPT 12.13±5.31nmol/L; CPT+SE 10.70±2.86nmol/L; condition effect p=.560; peak MAP: 131.99 ±18.56mmHg, condition effect p=.664; peak TPR: 25.84 ± 9.78mmHg/L/min, condition effect p=0.841; peak stress rating out of 10: 5.11 ± 2.12, condition effect p= 0.292; with the exception of HR (TSST: 95.06 ± 15.29bpm; CPT: 79.00 ± 11.85bpm; CPT+SE: 77.98 ± 7.66bpm; condition effect p= 0.003) and pain ratings out of 10 (TSST: 1.21 ± 1.72; CPT: 6.66 ± 1.42; CPT+SE: 6.38 ± 1.73; condition effect p<.001). Shear stress was lower in the 15min post-stress vs. pre stress and 35min post-stress trials (72.34 ± 4.46; 15min post-stress: 70.79 ± 5.39; 35min post-stress: 70.60 ± 6.10; condition effect p= 0.592; trial effect: p= 0.018). EX-FMD increased from pre- stress to 15min post-stress in all conditions (pre-stress 6.22 ± 2.75%; 15min-post stress: 7.91 ± 3.24%; 35min post-stress: 6.60 ± 2.93%; trial effect p<.001). No correlation between change in EX-FMD and change in cortisol was detected (r2= 0.0125; p=.404). In conclusion, the TSST, CPT and CPT+SE elicited similar stress responses and stress transiently enhanced EX-FMD. Cortisol responses did not explain the enhanced EX-FMD post stress. / Thesis (Master, Kinesiology & Health Studies) -- Queen's University, 2012-09-14 15:41:33.325

The aim was to assess exercise habits, handle the issue condition in patients with hereditary neuropathy and to clarify the possibility of using fitness training in this disease. We managed to show a reduced fitness of patients with hereditary neuropathy and its relationship with the severity of neurologic disability and mobility habits of individuals. The study results also show the positive effect of physical stress on condition of patients with hereditary neuropathy. Powered by TCPDF (www.tcpdf.org)

A series of investigations were undertaken to determine whether physical or emotional stress, catecholamines or naloxone (B-endorphon blocker) would increase serum total cholesterol and LDL and HDL levels. Physical stress given daily over a period of time caused a steady increase in serum total cholesterol and LDL without a significantly altering high density lipoproteins (HDL) or serum triglycerides. Daily injections of epinerphrine in oil caused an increase in both serum total cholesterol and LDL levels while daily injections of norepinephrine did not. Reversal of the treatments caused a reversed response in both groups of rats. Similar increases in both total cholesterol and LDL levels occurred in graduate students during preparation for their comprehensive written or oral thesis/dissertation defense. Injection of eigher dichloroisoproterenol (M.W. = 248) or naloxone (M.W. = 346) in rats prior to stress inhibited the increase in total cholesterol and LDL levels, although naloxone at the dosage given was more effective, possibly due to its larger molecular weight. When naloxone plus epinephrine was injected into non-stressed rats, there was a significant increase in total cholesterol and LDL levels, but the increase was not as great as that of groups injected with epinephrine only. Stressed, adrenalectomized rats exhibited higher cholesterol and LDL levels than the normal reported range for rats of their age and weight, but their levels did not differ from those of stressed, sham-operated rats indicating that the adrenals per se are not needed for stress-induced elevation of blood LDL levels.

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7 ABSTRACT The occurrence of enthesopathies is associated with muscle insertion sites and physical activities. The aim of this work is focused on two basic target areas. In the methodical section, I tested two methods of enthesopathy evaluation (Crubézy, 1988; Villotte, 2006) and I monitored the influence of age and physical stress on the incidence of enthesopathies in a documented skeletal collection from Greece. The main aim was then the evaluation of enthesopathies in the Great Moravian population from the settlement agglomeration Mikulčice-Valy (9th -10th century) using the selected method and the subsequent interpretation of the results attained, taking into consideration the archaeological facts relating to the given locality. Based on the observed degrees of concordance between the repeated evaluations, I used Villotte's method (2006) for final evaluation. I proved the correlation between the prevalence of enthesopathies and age in individuals from a recently documented skeletal collection. I was unable to demonstrate the influence of physical activity on the incidence of enthesopathies. This is apparently due to the small number of individuals with manual and non-manual occupations. In individuals from the Mikulčice settlement agglomeration, I recorded a demonstrable difference between individual...

Für die ergonomische Bewertung der auf die Mitarbeiter im Gewerk Logistik einwirkenden Belastungen ist eine valide Systematik anzuwenden. In ersten Untersuchungen konnte gezeigt werden, dass für typische in der Logistik auftretende Belastungen keine geeignete Systematik verfügbar ist, die sämtliche Belastungsfaktoren bewerten kann. Dazu wurde ausgehend von einer Analyse der identifizierten Belastungen anhand von drei ausgewählten Verfahren versucht, diese zu bewerten. Die dabei identifizierten Defizite bilden die Grundlage für eine Entwicklung eines Verfahrens zur vollständigen Bewertung der Belastungen in logistischen Prozessen.

This diploma thesis deals with the psychical and physical stress of nurses working in anesthesiology and intensive medicine. In the theoretical part, the problems of psychical and physical stress are presented, as well as the role of nurses and their activities undertaken in the units of anesthesiology and intensive care. The practical part deals with a research that aims to obtain data revealing indicators of mental and physical stress of nurses working in anaesthesiology and intensive medicine. The research took place in four selected hospitals in their departments of anesthesiology and intensive care and intensive care units of neurosurgical clinics. Respondents were divided into two groups - respondents of anesthesiology and intensive care and respondents from department of neurosurgery. Groups were compared and results are presented in tables and graphs. Key words Anesteziology, intensit medicine, roles of nurses, physical stress, psychological stress, departemnt of ICU

In this thesis, I shall discuss the importance of supporting caregivers. I will focus primarily on the introduction and description of problematic phenomena related to caring, to the caregiver's role, then of delivering care and its species. In subsequent chapters I will focus on the pitfalls of care and the implications for caring. Next, I will dedicate the positive aspects of care. At work I will also support informal care from the state. I provide overview of options that can help them in caring for a related. At thesis I try to highlight the care provided by amateurish carers about the importance of their support and also to outline the positive aspects of care. Family carers deserve admiration. Their strength and conviction in many cases is unimaginable. Caregivers must overcome many obstacles and still manage most of the care.

The thesis deals with a nurse and the care of her own health. The theoretical part mainly deals with mental health, proper regimen and physical as well as mental load on nurses in relation to the health care job. The main aim of the thesis was to identify the factors affecting the regimen of nurses and their care about their own health, and to try to find how the work load and department character is related to possible occurrence of health problems. Partial goals and working hypotheses were set for this purpose. Variables like age, gender, education and type of department were included among the assumed factors affecting care about health and health problems.

The thesis entitled Nurse as a representative of a healthy lifestyle consists of two main parts, one theoretical and one practical. The theoretical part consists of theoretical knowledge of the nurses´ lifestyle coming from their profession, topics related to the personality of general nurses, nurses´ lifestyle and mental hygiene. The practical part of the thesis is a quantitative research, which is based on responds of 193 nurses in a questionnaire survey about the impact of education on adherence on a healthy lifestyle. Research shows that most nurses know well the factors of a healthy life style which they could potentially have influence on, however they are not able to apply this knowledge to their life style. Education on correct healthy lifestyle and length of practice has no impact on nurses´ healthy lifestyle and their families. Discussion and conclusion summarize the research results.