نتایج جستجو برای: force exertion
تعداد نتایج: 197030 فیلتر نتایج به سال:
Recombinant human erythropoietin (EPO) increases exercise capacity by stimulating erythropoiesis and subsequently enhancing oxygen delivery to the working muscles. In a large dose, EPO crosses the BBB and may reduce central fatigue and improve cognition. In turn, this would augment exercise capacity independent of erythropoiesis. To test this hypothesis, 15 healthy young men (18-34 years old, 7...
In the last 30 years, the role of reactive oxygen species (ROS) in exercise physiology has received considerable attention. Acute physical exertion has been shown to induce an augmented generation of ROS in skeletal muscle via different mechanisms. There is evidence that ROS formation in response to vigorous physical exertion can result in oxidative stress. More recent research has revealed the...
BACKGROUND Plaque rupture and secondary thrombus formation play key roles in the onset of acute coronary syndrome (ACS). One pathological study suggested that the morphologies of plaque rupture differed between rest-onset and exertion-triggered rupture in men who experienced sudden death. The aim of the present study was to use optical coherence tomography to investigate the relationship in pat...
PERMISSION TO REPRODUCE THIS MATERIAL HAS BEEN ORANTEO BY C a . 1 (-1curck, TO THE EDUCATIONAL RESOURCES INFORMATION CENTER (ERIC) AND USERS OF THE ERIC SYSTEM" The two-fold purpose of this studi, was (1) to investigate the relationship between physical exertion and mental performance in elementary school children and (2) to determine if male or female mental performances are more affected by p...
This study investigates the role of placebo expectations in individuals' perception of exertion during acute physical exercise. Building upon findings from placebo and marketing research, we examined how perceived exertion is affected by expectations regarding a) the effects of exercise and b) the effects of the exercise product worn during the exercise. We also investigated whether these effec...
A group of 129 subjects (67 men and 62 women) experiencing sports headache was established using a questionnaire. A wide range of information was gathered, focusing on the mode of onset, time course, characteristic features and associated symptoms of sports-related headache. Criteria for the varieties of sports headaches were established using head trauma and then migraine to divide subgroups o...
OBJECTIVE To investigate perceived exertion at work in women with fibromyalgia. DESIGN A controlled cross-sectional multi-centre study. SUBJECTS AND METHODS Seventy-three women with fibromyalgia and 73 healthy women matched by occupation and physical workload were compared in terms of perceived exertion at work (0-14), muscle strength, 6-min walk test, symptoms rated by Fibromyalgia Impact ...
Because sports injuries in men form most of the available statistics, the reportage of injuries in female athletes is sparse. We describe exertion injuries and disorders in 281 women athletes, all of which hampered athletic training or performances. Sixty per cent of the injuries occurred to girls ages between 12-19 years, and about forty-eight per cent were track and field athletes. The most c...
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