نتایج جستجو برای: mountain climbers
تعداد نتایج: 26908 فیلتر نتایج به سال:
In the recent years sport climbing has become more and popular. As an extreme sport, it is prone to a high degree of injury risk. A particular body part exposed injuries upper extremity. The aim this study was assess number types hands and/or wrists in regular climbers. conducted on group 468 criterion for inclusion regularity trainings, training internship at least 1 year minimum difficulty co...
BACKGROUND Hypoxemia is the immediate consequence of hyobaric hypoxia, which is the crucial starting mechanism of acute mountain sickness (AMS). The AMS is generally a benign and self-limiting condition which can be prevented by gradual ascent. However, ascent rates recommended for prophylaxis of AMS are far slower than those attempted during military operations and by climbers. OBJECTIVE The...
Introduction In 1950, Maurice Herzog and Louis Lachenal became the first climbers to reach the summit of an 8000 m peak (Annapurna, 8091 m). Since that pioneering achievement, tens of thousands of mountaineers have ventured to Nepal, Pakistan, Tibet and China to climb the 14 peaks that rise above 8000 m. Some have succeeded. Some have died in the attempt. Climbing above 8000 m is a severe test ...
Climbers influence the diversity and composition of forest ecosystem immensely. We have investigated floristic climbing plants in tropical forests Similipal Biosphere Reserve (SBR), Odisha, India. A total 120 climber plant species belonging to 74 genera 33 families were documented all forests. Among families, most speciose Fabaceae (25 species) Convolvulaceae (22 followed by Cucurbitaceae (11 s...
Objectives: Climbing, which is a popular sport in recent years, requires high performance and agility levels. The characteristics of climbers are still unclear. This study has been carried out to evaluate the posture core endurance levels climbers. 
 Methods: Forty-nine elite (mean age 15.02±2.68 years) forty-four healthy sedentary controls 14.48±1.17 participated this study. Postural asse...
Near-infrared spectroscopy (NIRS) could allow insights into controversial issues related to blood lactate concentration ([La](b)) increases at submaximal workloads (). We combined, on five well-trained subjects [mountain climbers; peak O(2) consumption (VO(2peak)), 51.0 +/- 4.2 (SD) ml. kg(-1). min(-1)] performing incremental exercise on a cycle ergometer (30 W added every 4 min up to voluntary...
Neocytolysis is the hypothesis formulated to explain experimental evidence of selective lysis of young red blood cells (RBCs) (neocytes) associated with decreased plasma levels of erythropoietin (EPO). In humans, it appears to take place whenever a fast RBC mass reduction is required, i.e., in astronauts during the first days of spaceflight under weightlessness, where a fast reduction in plasma...
People ascending to high altitude regions are at risk for a variety of health problems, commonly including acute mountain sickness (AMS), high-altitude cerebral oedema (HACE) and high-altitude pulmonary oedema (HAPE) etc. Increasing travel to mountainous terrains has brought light to several other medical problems as well. It has been well recognized that a hypercoagulable state exists when a p...
BACKGROUND Elevated urine and blood leukotriene levels have been reported after ascent to high altitude in association with acute mountain sickness (AMS) and high-altitude pulmonary edema. Zileuton is an inhibitor of the enzyme 5-lipoxygenase that catalyzes conversion of arachidonic acid to leukotrienes. Study objectives and design: The objectives of this randomized, double-blind, placebo-contr...
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