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Увеличенная изменчивость в эксплуатации связана с нарушениями в оценке эффективности при многоразовом склерозе.

Точная оценка нагрузки имеет решающее значение для определения того, продолжать ли или отдохнуть во время физической активности. Лица, страдающие множественным склерозом (МС), часто сообщают об усталости и расстройствах моторного аппарата, однако механизмы, лежащие в основе их оценки прилагаемых усилий, по-прежнему плохо понимаются. Недавняя работа со здоровыми людьми свидетельствует о том, что изменчивость моторных установок может исказить суждения об усилиях; однако эта взаимосвязь не была изучена у людей с MS. В этом исследовании мы изучили вопрос о том, как изменчивость физического воздейс

Совпадение в аннотации оригинала
Accurate assessment of exertion is crucial for determining whether to continue or rest during physical activity. Individuals with multiple s … hip has not been explored in individuals with MS. In this study, we investigated how variability in physical exertion affects effort assessment in individuals with MS compared to healthy participants. We had participants exert varying levels of physical effort and retrospectively assess the effort they exerted. Individuals with MS exhibited increased exertion varia …

Preterm Delivery Risk in Relation to Maternal Occupational and Leisure Time Physical Activity Among Thai Women.

BACKGROUND: Little is known about the relationship between maternal occupational physical exertion and leisure time physical activity (LTPA) with preterm delivery (PTD) among Thai women, a population that differs in many respects from women in Western countries. OBJECTIVES: To evaluate associations of maternal occupational physical exertion and LTPA with PTD in aggregate and in subgroups (i.e., spontaneous preterm labor, preterm premature rupture of membrane, medically indicated preterm delivery, moderate preterm delivery [gestational age 32-36 weeks], and very preterm delivery [<32 weeks]) a…

[Bronchial asthma, elevated bronchial reactivity and physical loading].

The paper is concerned with a comparative study of the evidence of case histories, clinical symptomatology, external respiratory function and the effect of beta-adrenergic drugs in patients with bronchial asthma to define conditions contributing to the development of a bronchospasm caused by submaximum physical exertion. It was shown that submaximum physical exertion was followed by marked bronchial obstruction in 60% of patients. A degree of bronchospasm caused by physical exertion was in direct relation to a patient's age, the duration of disease and a period from the onset of disease. A sub…

Controllers or Bare Hands? A Controlled Evaluation of Input Techniques on Interaction Performance and Exertion in Virtual Reality.

Virtual Reality (VR) systems have traditionally required users to operate the user interface with controllers in mid-air. More recent VR sys … his paper, we investigate the effect of VR input modality (controller vs. free-hand interaction) on physical exertion, agency, task performance, and motor behavior across two mid-air interaction techniques (touch, raycast) and tasks (selection, trajectory-tracing). Participants reported less physical exertion, felt more in control, and were faster and more accurate …

NESTED CASE - CONTROL ANALYSIS OF THE RISK FACTORS FOR HIGH ALTITUDE PULMONARY OEDEMA.

A nested case-control study was undertaken on a cohort of soldiers inducted into high altitude area (11000 to 16000 feet) of Western Himalayas, with the objectives of studying the incidence of high altitude pulmonary oedema (HAPO) and its association with physical exertion and certain other predetermined risk factors. The study indicated that the cumulative incidence of HAPO was 1.42 per 1000 inductions. The association with moderate/strenuous physical exertion within 24 hours of entry into high altitude was significant (Odds ratio (OR) = 3.19; 95% confidence limits (CL) = 1.23 to 8.15); howev…

Cognitive exertion affects the appraisal of one's own and other people's pain.

Correctly evaluating others' pain is a crucial prosocial ability. In both clinical and private settings, caregivers assess their other people's pain, sometimes under the effect of poor sleep and high workload and fatigue. However, the effect played by such cognitive strain in the appraisal of others' pain remains unclear. Fifty participants underwent one of two demanding tasks, involving either working memory (Experiment 1: N-Back task) or cognitive interference (Experiment 2: Stroop task). After each task, participants were exposed to painful laser stimulations at three intensity levels (low,

Field and clinical observations of exertional heat stroke patients.

Exertional heatstroke (EH) occurs when heat production, generated by muscular exercise, exceeds the body's heat dissipation capacities. This illness has been reported among young, active individuals, laborers, and religious pilgrims. Although EH includes a rectal temperature above 39.5 degrees C (depending on the timing of the measurement) and elevation of serum enzymes, altered mental status is the universally accepted sign which distinguishes EH from heat exhaustion. Once EH is suspected, cooling therapy should be initiated immediately and investigation of multiple-system involvement should

Breathing during exercise: demands, regulation, limitations.

In humans alveolar ventilation (VA) is adjusted almost perfectly to the metabolic demands of mild and moderate exercise. For example, in exercise transitions and in the steady state, PaCO2 rarely deviates by more than 1 to 3 mmHg from the value at rest. This near-homeostasis contrasts to most other mammalian species; equines for example, demonstrate a progressive hypocapnia and alkalosis as exercise intensity is increased to moderate levels. In equines, the control systems seem programmed for a specific hyperventilation that contributes to maintenance of PaO2 homeostasis. Generally, during hea

Diuretic therapy and exercise performance.

Drugs that induce an increased urine flow are used both legitimately (treatment of hypertension and oedema) and otherwise (rapid weight loss) in sports and exercise. There are 5 major categories of diuretic drugs based on their mechanisms and loci of action. Common to all classes is hypohydration, which has been shown to have an array of adverse effects on performance, including impaired strength, power and endurance. Postural hypotension can be particularly troublesome in the elderly. Also common to all diuretics, except those interfering with the aldosterone mechanism in the distal nephron,