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Human Body Size and the Laws of Scaling

Human Body Size and the Laws of Scaling PDF Author: Thomas T. Samaras
Publisher: Nova Publishers
ISBN: 9781600214080
Category : Biometry
Languages : en
Pages : 398

Book Description
Several books have been published on scaling in biology and its ramifications in the animal kingdom. However, none has specifically examined the multifaceted effects of how changes in human height create disproportionately larger changes in weight, surface area, strength and other physiological parameters. Yet, the impact of these non-linear effects on individual humans as well as our world's environment is enormous. Since increasing human body size has widespread ramifications, this book presents findings on the human species and its ecological niche. its community and how the species interacts with its environment. Thus, a few chapters provide an ecological overview of how increasing human body size relates to human evolution, fitness, health, survival and the environment. This book provides a unique purview of the laws of scaling on human performance, health, longevity and the environment. Numerous examples from various research disciplines are used to illustrate the impact of increasing body size on many aspects of human enterprises, including work output, athletics and intellectual performance.

Human Body Size and the Laws of Scaling

Human Body Size and the Laws of Scaling PDF Author: Thomas T. Samaras
Publisher: Nova Publishers
ISBN: 9781600214080
Category : Biometry
Languages : en
Pages : 398

Book Description
Several books have been published on scaling in biology and its ramifications in the animal kingdom. However, none has specifically examined the multifaceted effects of how changes in human height create disproportionately larger changes in weight, surface area, strength and other physiological parameters. Yet, the impact of these non-linear effects on individual humans as well as our world's environment is enormous. Since increasing human body size has widespread ramifications, this book presents findings on the human species and its ecological niche. its community and how the species interacts with its environment. Thus, a few chapters provide an ecological overview of how increasing human body size relates to human evolution, fitness, health, survival and the environment. This book provides a unique purview of the laws of scaling on human performance, health, longevity and the environment. Numerous examples from various research disciplines are used to illustrate the impact of increasing body size on many aspects of human enterprises, including work output, athletics and intellectual performance.

Animal Body Size

Animal Body Size PDF Author: Felisa A. Smith
Publisher: University of Chicago Press
ISBN: 022601228X
Category : Science
Languages : en
Pages : 281

Book Description
Galileo wrote that “nature cannot produce a horse as large as twenty ordinary horses or a giant ten times taller than an ordinary man unless by miracle or by greatly altering the proportions of his limbs and especially of his bones”—a statement that wonderfully captures a long-standing scientific fascination with body size. Why are organisms the size that they are? And what determines their optimum size? This volume explores animal body size from a macroecological perspective, examining species, populations, and other large groups of animals in order to uncover the patterns and causal mechanisms of body size throughout time and across the globe. The chapters represent diverse scientific perspectives and are divided into two sections. The first includes chapters on insects, snails, birds, bats, and terrestrial mammals and discusses the body size patterns of these various organisms. The second examines some of the factors behind, and consequences of, body size patterns and includes chapters on community assembly, body mass distribution, life history, and the influence of flight on body size.

The Ecological Implications of Body Size

The Ecological Implications of Body Size PDF Author: Robert Henry Peters
Publisher: Cambridge University Press
ISBN: 9780521288866
Category : Science
Languages : en
Pages : 348

Book Description
Describes in detail how the physical size of an organism affects its biology. Presents the largest single compilation of inter-specific size relations and instructs the reader on their comparison, combination, and criticism.

Body Size in Mammalian Paleobiology

Body Size in Mammalian Paleobiology PDF Author: John Douglas Damuth
Publisher: Cambridge University Press
ISBN: 9780521360999
Category : Nature
Languages : en
Pages : 416

Book Description
There is a growing interest in the biological implications of body size in animals. This parameter is now being used to make inferences and predictions about not only the habits and habitat of a particular species, but also as a way to understand patterns and biases in the fossil record. This valuable collection of essays presents and evaluates techniques of body-mass estimation and reviews current and potential applications of body-size estimates in paleobiology. Coverage is particularly detailed for carnivores, primates and ungulates, but information is also presented on marsupials, rodents and proboscideans. Body Size in Mammalian Paleobiology will prove useful to researchers and graduate students in paleontology, mammalogy, ecology and evolution programmes. It is designed to be both a practical handbook for researchers making and using body-size estimates, and a sourcebook of ideas for applying body size to paleontological problems and directions for future research.

Anthropometrica

Anthropometrica PDF Author: Kevin Norton
Publisher: UNSW Press
ISBN: 9780868402239
Category : Biography & Autobiography
Languages : en
Pages : 438

Book Description
A core textbook for sports science and human movement courses. Describes measurement techniques, and covers the interpretation and analysis of data and the applications of anthropometry in ergonomics, psychology, nutrition, physiology, exercise, and sports. Also outlines the Australian model of accreditation in anthropometry. A disk is available with software for simulations and tests against a large Australian anthropometric database. Distributed by ISBS. Annotation copyrighted by Book News, Inc., Portland, OR

The Role of Visual Cues in Body Size Estimation

The Role of Visual Cues in Body Size Estimation PDF Author: Anne Thaler
Publisher: Logos Verlag Berlin GmbH
ISBN: 3832550267
Category : Psychology
Languages : en
Pages : 204

Book Description
Our body is central to what we define as our self. The mental representation of our physical appearance, often called body image, can have a great influence on our psychological health. Given the increase in body mass index worldwide and the societal pressure to conform to body ideals, it is important to gain a better understanding of the nature of body representations and factors that play a role in body size estimation tasks. This doctoral thesis takes a multifaceted approach for investigating the role of different visual cues in the estimation of own body size and shape by using a variety of experimental methods and novel state-of-the-art computer graphics methods. Two visual cues were considered: visual perspective and identity cues in the visual appearance of a body (shape, and color-information), as well as their interactions with own body size and gender. High ecological validity was achieved by testing body size estimation in natural settings, when looking into a mirror, and by generating biometrically plausible virtual bodies based on 3D body scans and statistical body models, and simulating real-world scenarios in immersive virtual reality.

Body Size: The Structure and Function of Aquatic Ecosystems

Body Size: The Structure and Function of Aquatic Ecosystems PDF Author: Alan G. Hildrew
Publisher: Cambridge University Press
ISBN: 1139464175
Category : Nature
Languages : en
Pages : 335

Book Description
Ecologists have long struggled to predict features of ecological systems, such as the numbers and diversity of organisms. The wide range of body sizes in ecological communities, from tiny microbes to large animals and plants, is emerging as the key to prediction. Based on the relationship between body size and features such as biological rates, the physics of water and the amount of habitat available, we may be able to understand patterns of abundance and diversity, biogeography, interactions in food webs and the impact of fishing, adding up to a potential 'periodic table' for ecology. Remarkable progress on the unravelling, describing and modelling of aquatic food webs, revealing the fundamental role of body size, makes a book emphasising marine and freshwater ecosystems particularly apt. In this 2007 book, the importance of body size is examined at a range of scales that will be of interest to professional ecologists, from students to senior researchers.

The Role of Body Size in Multispecies Systems

The Role of Body Size in Multispecies Systems PDF Author:
Publisher: Academic Press
ISBN: 0123864763
Category : Science
Languages : en
Pages : 352

Book Description
The general theme is being based around the ongoing European Science Foundation SIZEMIC Research Network, which has been running for several years. The network has focused on the role of body size in ecosystems and embraces a wide remit that spans all ecosystem types and a range of disciplines, from theoretical to applied ecology. Updates and informs the reader on the latest research findings Written by leading experts in the field Highlights areas for future investigation

The amount of hemoglobin's oxygen affinity, determines the body size of mammals

The amount of hemoglobin's oxygen affinity, determines the body size of mammals PDF Author: Ramin Amirmardfar
Publisher: Lulu.com
ISBN: 0359890482
Category :
Languages : en
Pages : 94

Book Description


The Body Size and Health Debate

The Body Size and Health Debate PDF Author: Christine L. B. Selby
Publisher: Bloomsbury Publishing USA
ISBN:
Category : Health & Fitness
Languages : en
Pages : 268

Book Description
Has the connection between body size and overall health been overstated for decades? This book examines how our dogged efforts to eradicate obesity may be doing more harm than good and explores alternative ways to measure and encourage health. It's fair to say that Americans are obsessed with body size and weight—whether it's in the name of health and disease prevention or the idealization of unrealistically thin proportions. But trying to lose weight and drop clothing sizes is healthy, right? Or is it not healthy, in many cases? In this book, the latest in Greenwood's Health and Medical Issues Today series, Certified Eating Disorder Specialist and Certified Sport Psychology Consultant Christine L. B. Selby, PhD, examines the often confusing information—and misinformation—that exists on obesity and its connection to overall health. She provides a broad examination of this timely topic, addressing the rate of obesity in the United States, questioning the appropriateness of BMI to gauge overall health and well-being, discussing controversies related to weight and health including excessive dieting, and providing real-world scenarios that clearly illustrate major concepts related to weight and health. The book also summarizes a relatively new and still controversial approach to improving well-being that takes the focus off the number on the scale. But can individuals really be happy and healthy at any size