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Physiology Of Breath Hold Diving
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Book Synopsis Physiology of Breath-hold Diving and the Ama of Japan by : Hermann Rahn
Download or read book Physiology of Breath-hold Diving and the Ama of Japan written by Hermann Rahn and published by . This book was released on 1965 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiology and Physiopathology of Breath-Holding Activity by : Frederic Lemaitre
Download or read book Physiology and Physiopathology of Breath-Holding Activity written by Frederic Lemaitre and published by Frontiers Media SA. This book was released on 2022-03-14 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiology of Breath-hold Diving by : Lee H. Somers
Download or read book Physiology of Breath-hold Diving written by Lee H. Somers and published by . This book was released on 198? with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ˜Theœ physiology of breath-hold diving by : Claes E. Lundgren
Download or read book ˜Theœ physiology of breath-hold diving written by Claes E. Lundgren and published by . This book was released on 1987 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physiology of Breath-hold Diving by :
Download or read book The Physiology of Breath-hold Diving written by and published by . This book was released on 1987 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The physiological consequences of breath-hold diving in marine mammals; the Scholander legacy by : Andreas Fahlman
Download or read book The physiological consequences of breath-hold diving in marine mammals; the Scholander legacy written by Andreas Fahlman and published by Frontiers E-books. This book was released on with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: Breath-hold diving marine mammals are able to remain submerged for prolonged periods of time and dive to phenomenal depths while foraging. A number of physiological, biochemical and behavioral traits have been suggested that enable this life style, including the diving response, lung collapse, increased O2 stores, diving induced hypometabolism, and stroke-and-glide behavior to reduce dive metabolic cost. Since the initial studies by Scholander in the 1940‘s, when most of the physiological and biochemical traits were suggested, few have received as much study as the diving response and O2 management. The calculated aerobic dive limit (cADL) was an important concept which allowed calculation of the aerobic dive duration, and was defined as the total O2 stores divided by the rate of O2 consumption (metabolic rate). The total O2 stores have been defined for several species, and studies in both forced and freely diving animals have refined the metabolic cost of diving. Currently there appears to be little consensus about whether marine mammals perform a significant proportion of dives exceeding the cADL or not and there may be large differences between species. The diving response is a conserved physiological trait believed to arise from natural selection. The response includes diving-induced bradycardia, peripheral vasoconstriction, and altered blood flow distribution. While the response results in reduced cardiac work, it is not clear whether this is required to reduce the overall metabolic rate. An alternate hypothesis is that the primary role of the diving bradycardia is to regulate the degree of hypoxia in skeletal muscle so that blood and muscle O2 stores can be used more efficiently. Scholander suggested that the respiratory anatomy of marine mammals resulted in alveolar collapse at shallow depths (lung collapse), thereby limiting gas exchange. This trait would limit uptake of N2 and thereby reduce the risk of inert gas bubble formation and decompression sickness. In his initial treatise, Scholander suggested that alveolar collapse probably made inert gas bubble formation unlikely during a single dive, but that repeated dives could result in significant accumulation that could be risky. Despite this, lung collapse has been quoted as the main adaptation by which marine mammals reduce N2 levels and inert gas bubble formation. It was surprising, therefore, when recent necropsy reports from mass stranded whales indicated DCS like symptoms. More recent studies have shown that live marine mammals appear to experience bubbles under certain circumstances. These results raise some interesting questions. For example, are marine mammals ever at risk of DCS, and if so could N2 accumulation limit dive performance? While an impressive number of studies have provided a theoretical framework that explains the mechanistic basis of the diving response, and O2 management, many questions remain, some widely-accepted ideas actually lack sufficient experimental confirmation, and a variety of marine mammal species, potentially novel models for elucidating new diving adaptations, are understudied. The aim of this Frontiers Topic is to provide a synthesis of the current knowledge about the physiological responses of marine mammals that underlie their varied dive behavior. We also include novel contributions that challenge current ideas and that probe new hypotheses, utilize new experimental approaches, and explore new model species. We show that the field has recently entered a phase of renewed discovery that is not only unraveling more secrets of the natural diving response but will drive new applications to aid human exploration of the ocean depths. We also welcome comparative analyses, especially contributions that compare marine mammals with human divers.
Book Synopsis Diving Physiology of Marine Mammals and Seabirds by : Paul J. Ponganis
Download or read book Diving Physiology of Marine Mammals and Seabirds written by Paul J. Ponganis and published by Cambridge University Press. This book was released on 2015-11-26 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: An up-to-date synthesis of comparative diving physiology research, illustrating the features of dive performance and its biomedical and ecological relevance.
Book Synopsis Scuba Diving Explained by : Lawrence Martin
Download or read book Scuba Diving Explained written by Lawrence Martin and published by Lawrence Martin. This book was released on 1997 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physiology and Medicine of Diving and Compressed Air Work by : Peter B. Bennett
Download or read book The Physiology and Medicine of Diving and Compressed Air Work written by Peter B. Bennett and published by Bailliere Tindall Limited. This book was released on 1975 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiology of Breath-hold Diving and the Ama of Japan by : Hermann Rahn
Download or read book Physiology of Breath-hold Diving and the Ama of Japan written by Hermann Rahn and published by . This book was released on 1965 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diving Science by : Michael B. Strauss
Download or read book Diving Science written by Michael B. Strauss and published by Human Kinetics. This book was released on 2004 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text blends theoretical and scientific aspects with practical and directly applicable diving physiology and medical information. It is divided into three sections - the underwater environment, physiological responses to the underwater environment, and medical problems associated with the sport.
Book Synopsis Bennett and Elliott's Physiology and Medicine of Diving by : Alf O. Brubakk
Download or read book Bennett and Elliott's Physiology and Medicine of Diving written by Alf O. Brubakk and published by Saunders Limited.. This book was released on 2003 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thoroughly updated edition, considered the 'bible' in this field since 1969, offers in-depth coverage of the physiological basis of safe diving and the pathogenesis of diving illnesses; the clinical diagnosis and management of diving disorders; and current equipment design and its practical clinical applications. Also covered is a current understanding of central nervous system pathology, contemporary decompression theories, and state-of-the-art treatment protocols for decompression, drowning and hypothermia.
Book Synopsis Physiology of Breath Hold Diving and the Ama of Japan by : Herman Rahn
Download or read book Physiology of Breath Hold Diving and the Ama of Japan written by Herman Rahn and published by . This book was released on 1965 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiology of Breath-hold Diving and Tha Ama of Japan by :
Download or read book Physiology of Breath-hold Diving and Tha Ama of Japan written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physiology of Breath-hold Diving by : Undersea and Hyperbaric Medical Society. Workshop
Download or read book The Physiology of Breath-hold Diving written by Undersea and Hyperbaric Medical Society. Workshop and published by . This book was released on 1987 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Marine Mammals by : Randall W. Davis
Download or read book Marine Mammals written by Randall W. Davis and published by Springer Nature. This book was released on 2019-11-14 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book provides new insights into the morphological, metabolic, thermoregulatory, locomotory, diving, sensory, feeding, and sleep adaptations of Cetacea (whales and dolphins), Pinnipedia (seals, sea lions and walrus), Sirenia (manatees and dugongs) and sea otters for an aquatic life. Each chapter reviews the discoveries from previous studies and integrates recent research using new techniques and technology. Readers will gain an understanding of the remarkable adaptations that enable marine mammals to spend all or most of their lives at sea, often while hunting prey at depth.
Book Synopsis Physiology of Breath-hold Diving and the Ama of Japan by :
Download or read book Physiology of Breath-hold Diving and the Ama of Japan written by and published by . This book was released on 1965 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report describes and analyzes various physiological stresses that confront man as a breath-hold diver. The historical development of the Ama's diving activities, geographic distribution of the Ama in Japan, and other aspects of the Ama are discussed. Other subjects considered are limitations to depth of diving, alveolar gas exchange, the Taravana Syndrome, physiological adaptations, renal responses, cardiovascular responses, temperature regulation, and metabolic considerations.