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Author: José López Chicharro
Publisher: Ed. Médica Panamericana
ISBN: 9788498351675
Category : Medical
Languages : es
Pages : 524
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Book Description
Las investigaciones científicas indican que el ejercicio moderado, practicado con regularidad varias veces por semana, añade años a la vida humana, rebaja significativamente los riesgos de padecer un gran número de enfermedades, y es una herramienta eficaz en el tratamiento de muchas patologías. Éste es el marco general en el que se engloba la presente obra, fruto del trabajo de un amplio grupo de expertos en actividad física aplicada a las enfermedades prevalentes que más pueden beneficiarse de ella, coordinados por José López Chicharro y Luis Miguel López Mojares. Después de una introducción preliminar, se analizan las principales patologías cardiovasculares, pulmonares, neuromusculares, metabólicas, oncológicas y locomotoras. Seguidamente se estudian las poblaciones especiales que requieren una aplicación especial del ejercicio físico, como niños, ancianos o mujeres embarazadas. Se concluye con un módulo dedicado a los trastornos psicológicos. Todos estos aspectos se explican con un lenguaje accesible pero riguroso, con el que se describen las limitaciones al ejercicio de cada caso, el modo de llevar a cabo la evaluación funcional y la aplicación correcta del ejercicio físico más adecuado en cada caso, para obtener los mejores beneficios y minimizar así el riesgo.
Author: José López Chicharro
Publisher: Ed. Médica Panamericana
ISBN: 9788498351675
Category : Medical
Languages : es
Pages : 524
Get Book Here
Book Description
Las investigaciones científicas indican que el ejercicio moderado, practicado con regularidad varias veces por semana, añade años a la vida humana, rebaja significativamente los riesgos de padecer un gran número de enfermedades, y es una herramienta eficaz en el tratamiento de muchas patologías. Éste es el marco general en el que se engloba la presente obra, fruto del trabajo de un amplio grupo de expertos en actividad física aplicada a las enfermedades prevalentes que más pueden beneficiarse de ella, coordinados por José López Chicharro y Luis Miguel López Mojares. Después de una introducción preliminar, se analizan las principales patologías cardiovasculares, pulmonares, neuromusculares, metabólicas, oncológicas y locomotoras. Seguidamente se estudian las poblaciones especiales que requieren una aplicación especial del ejercicio físico, como niños, ancianos o mujeres embarazadas. Se concluye con un módulo dedicado a los trastornos psicológicos. Todos estos aspectos se explican con un lenguaje accesible pero riguroso, con el que se describen las limitaciones al ejercicio de cada caso, el modo de llevar a cabo la evaluación funcional y la aplicación correcta del ejercicio físico más adecuado en cada caso, para obtener los mejores beneficios y minimizar así el riesgo.
Author: Mathieu Gruet
Publisher: Frontiers Media SA
ISBN: 2832540368
Category : Science
Languages : en
Pages : 204
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Book Description
Exercise testing is a versatile tool for health purposes. When used in combination with specific devices and sensors, it can provide valuable diagnostic and prognostic information in a wide range of populations. Exercise testing outcomes are also useful for training prescriptions and defining responses to clinical trials evaluating interventions. Whole-body maximal tests (e.g., cardiopulmonary exercise testing), field tests (e.g., walking tests), and modalities isolating a muscle group (e.g., isokinetic endurance testing) all have their advantages and limits and should be viewed as complementary. Recent advances in wearable technology and artificial intelligence provide unique opportunities to broaden the application of these tests and facilitate their interpretation. In the meantime, the clinimetric properties of some widely used exercise tests are still poorly documented in several clinical populations, which hampers optimal diagnosis and management. Moreover, most exercise tests used in clinical practice are suffering from a lack of ecological validity and there is a need to develop and valid new testing modalities that best mimic daily life functioning. This Research Topic aims to extend our knowledge regarding the validity and clinical utility of various exercise testing modalities and facilitate their interpretation. This topic supports a multimodal approach to exercise testing and welcomes reports investigating either whole-body or local muscle testing. Submission of research combining different exercise modalities and investigating their potential links are particularly encouraged. Inter-disciplinary research with studies integrating concepts, tools, and data from various disciplines like exercise physiology, biomechanics, and psychology are of particular interest for this Research Topic. This topic is not restricted in terms of age, medical conditions, or type of disease but manuscripts must have clear implications for human health.
Author: Rodrigo Iturriaga
Publisher: Frontiers Media SA
ISBN: 2889638006
Category :
Languages : en
Pages : 387
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Book Description
The appearance of photosynthetic organisms about 3 billion years ago increased the partial pressure of oxygen (PO2) in the atmosphere and enabled the evolution of organisms that use glucose and oxygen to produce ATP by oxidative phosphorylation. Hypoxia is commonly defined as the reduced availability of oxygen in the tissues produced by different causes, which include reduction of atmospheric PO2 as in high altitude, and secondary to pathological conditions such as sleep breathing and pulmonary disorders, anemia, and cardiovascular alterations leading to inadequate transport, delivery, and exchange of oxygen between capillaries and cells. Nowadays, it has been shown that hypoxia plays an important role in the genesis of several human pathologies including cardiovascular, renal, myocardial and cerebral diseases in fetal, young and adult life. Several mechanisms have evolved to maintain oxygen homeostasis. Certainly, all cells respond and adapt to hypoxia, but only a few of them can detect hypoxia and initiate a cascade of signals intended to produce a functional systemic response. In mammals, oxygen detection mechanisms have been extensively studied in erythropoietin-producing cells, chromaffin cells, bulbar and cortical neurons, pulmonary neuroepithelial cells, smooth muscle cells of pulmonary arteries, and chemoreceptor cells. While the precise mechanism underpinning oxygen, sensing is not completely known several molecular entities have been proposed as possible oxygen sensors (i.e. Hem proteins, ion channels, NADPH oxidase, mitochondrial cytochrome oxidase). Remarkably, cellular adaptation to hypoxia is mediated by the master oxygen-sensitive transcription factor, hypoxia-inducible factor-1, which can induce up-regulation of different genes to cope the cellular effects related to a decrease in oxygen levels. Short-term responses to hypoxia included mainly chemoreceptor-mediated reflex ventilatory and hemodynamic adaptations to manage the low oxygen concentration while more prolonged exposures to hypoxia can elicit more sustained physiological responses including switch from aerobic to anaerobic metabolism, vascularization, and enhancement of blood O2 carrying capacity. The focus of this research topic is to provide an up-to-date vision on the current knowledge on oxygen sensing mechanism, physiological responses to acute or chronic hypoxia and cellular/tissue/organ adaptations to hypoxic environment.
Author: Gerhard-Paul Diller
Publisher: Frontiers Media SA
ISBN: 2832518893
Category : Medical
Languages : en
Pages : 190
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Book Description
Author: José Ricardo Serra Grima
Publisher: Springer Science & Business Media
ISBN: 9788407002308
Category : Science
Languages : en
Pages : 264
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Book Description
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Category : Education
Languages : en
Pages : 676
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Book Description
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Category : Science
Languages : en
Pages : 674
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Book Description
Author:
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ISBN:
Category : Science
Languages : en
Pages : 676
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Book Description
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Category :
Languages : en
Pages : 678
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Book Description
Author: Karlman Wasserman
Publisher: Lww
ISBN: 9781469876917
Category : Exercise tests
Languages : en
Pages : 588
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Book Description
"In this fifth edition of Principles of Exercise Testing and Interpretation, as in earlier editions, we attempt to develop conceptual advances in the physiology and pathophysiology of exercise, particularly as related to the practice of medicine. The underlying theme of the book continues to be the recognition that the most important requirement for exercise performance is transport of oxygen to support the bioenergetic processes in the muscle cells (including, of course, the heart) and elimination of the carbon dioxide formed as a byproduct of exercise metabolism. Thus, appropriate cardiovascular and ven- tilatory responses are required to match those of muscle respiration in meeting the energy demands of exercise. As depicted by the logo on the book cover, normal exercise performance requires an efficient coupling of external to internal (cellular) respiration. Appropriate treatment of exercise intolerance requires that patients' symptoms be thought of in terms of a gas exchange defect between the cell and the environment. The defect may be in the lungs, heart, peripheral or pulmonary circulations, the muscles themselves, or there may be a combination of defects. Thus, we describe the pathophysiology in gas transport and exchange that affect any site in the cardio- respiratory coupling between the lungs and the muscles. We illustrate how cardiopulmonary exercise testing can provide the means for a critical evaluation by the clinician-scientist of the functional competency of each component in the coupling of cellular to external respiration, including the cardiovascular system. To achieve this, clinical cases are used to illustrate the wide spectrum of pathophysiology capable of causing exercise intolerance"--Provided by publisher.
