How Our Muscles Work

How Our Muscles Work
Author: Victoria Avila
Publisher: Chelsea House Pub
Total Pages: 31
Release: 1995
Genre: Juvenile Nonfiction
ISBN: 9780791031506

Describes how the muscles work and discusses the function of the diaphram, the heart, and the muscles in the other systems in the body.

Anatomy & Physiology

Anatomy & Physiology
Author: Lindsay Biga
Publisher:
Total Pages:
Release: 2019-09-26
Genre:
ISBN: 9781955101158

A version of the OpenStax text

Botulinum Neurotoxins

Botulinum Neurotoxins
Author: Andreas Rummel
Publisher: Springer
Total Pages: 0
Release: 2015-01-29
Genre: Medical
ISBN: 9783642448898

The extremely potent substance botulinum neurotoxin (BoNT) has attracted much interest in diverse fields. Originally identified as cause for the rare but deadly disease botulism, military and terrorist intended to misuse this sophisticated molecule as biological weapon. This caused its classification as select agent category A by the Centers for Diseases Control and Prevention and the listing in the Biological and Toxin Weapons Convention. Later, the civilian use of BoNT as long acting peripheral muscle relaxant has turned this molecule into an indispensable pharmaceutical world wide with annual revenues >$1.5 billion. Also basic scientists value the botulinum neurotoxin as molecular tool for dissecting mechanisms of exocytosis. This book will cover the most recent molecular details of botulinum neurotoxin, its mechanism of action as well as its detection and application.

Muscles: The Muscular System

Muscles: The Muscular System
Author: Gillian Houghton
Publisher: The Rosen Publishing Group, Inc
Total Pages: 18
Release: 2006-12-15
Genre: Juvenile Nonfiction
ISBN: 9781404234758

Describes our muscular system and how it controls the movement of the body.

Skeletal Muscle Circulation

Skeletal Muscle Circulation
Author: Ronald J. Korthuis
Publisher: Morgan & Claypool Publishers
Total Pages: 147
Release: 2011
Genre: Medical
ISBN: 1615041834

The aim of this treatise is to summarize the current understanding of the mechanisms for blood flow control to skeletal muscle under resting conditions, how perfusion is elevated (exercise hyperemia) to meet the increased demand for oxygen and other substrates during exercise, mechanisms underlying the beneficial effects of regular physical activity on cardiovascular health, the regulation of transcapillary fluid filtration and protein flux across the microvascular exchange vessels, and the role of changes in the skeletal muscle circulation in pathologic states. Skeletal muscle is unique among organs in that its blood flow can change over a remarkably large range. Compared to blood flow at rest, muscle blood flow can increase by more than 20-fold on average during intense exercise, while perfusion of certain individual white muscles or portions of those muscles can increase by as much as 80-fold. This is compared to maximal increases of 4- to 6-fold in the coronary circulation during exercise. These increases in muscle perfusion are required to meet the enormous demands for oxygen and nutrients by the active muscles. Because of its large mass and the fact that skeletal muscles receive 25% of the cardiac output at rest, sympathetically mediated vasoconstriction in vessels supplying this tissue allows central hemodynamic variables (e.g., blood pressure) to be spared during stresses such as hypovolemic shock. Sympathetic vasoconstriction in skeletal muscle in such pathologic conditions also effectively shunts blood flow away from muscles to tissues that are more sensitive to reductions in their blood supply that might otherwise occur. Again, because of its large mass and percentage of cardiac output directed to skeletal muscle, alterations in blood vessel structure and function with chronic disease (e.g., hypertension) contribute significantly to the pathology of such disorders. Alterations in skeletal muscle vascular resistance and/or in the exchange properties of this vascular bed also modify transcapillary fluid filtration and solute movement across the microvascular barrier to influence muscle function and contribute to disease pathology. Finally, it is clear that exercise training induces an adaptive transformation to a protected phenotype in the vasculature supplying skeletal muscle and other tissues to promote overall cardiovascular health. Table of Contents: Introduction / Anatomy of Skeletal Muscle and Its Vascular Supply / Regulation of Vascular Tone in Skeletal Muscle / Exercise Hyperemia and Regulation of Tissue Oxygenation During Muscular Activity / Microvascular Fluid and Solute Exchange in Skeletal Muscle / Skeletal Muscle Circulation in Aging and Disease States: Protective Effects of Exercise / References

Musculoskeletal Disorders and the Workplace

Musculoskeletal Disorders and the Workplace
Author: Institute of Medicine
Publisher: National Academies Press
Total Pages: 510
Release: 2001-05-24
Genre: Business & Economics
ISBN: 0309132991

Every year workers' low-back, hand, and arm problems lead to time away from jobs and reduce the nation's economic productivity. The connection of these problems to workplace activities-from carrying boxes to lifting patients to pounding computer keyboards-is the subject of major disagreements among workers, employers, advocacy groups, and researchers. Musculoskeletal Disorders and the Workplace examines the scientific basis for connecting musculoskeletal disorders with the workplace, considering people, job tasks, and work environments. A multidisciplinary panel draws conclusions about the likelihood of causal links and the effectiveness of various intervention strategies. The panel also offers recommendations for what actions can be considered on the basis of current information and for closing information gaps. This book presents the latest information on the prevalence, incidence, and costs of musculoskeletal disorders and identifies factors that influence injury reporting. It reviews the broad scope of evidence: epidemiological studies of physical and psychosocial variables, basic biology, biomechanics, and physical and behavioral responses to stress. Given the magnitude of the problem-approximately 1 million people miss some work each year-and the current trends in workplace practices, this volume will be a must for advocates for workplace health, policy makers, employers, employees, medical professionals, engineers, lawyers, and labor officials.

The Mighty Muscular and Skeletal Systems

The Mighty Muscular and Skeletal Systems
Author: John Burstein
Publisher: Crabtree Publishing Company
Total Pages: 36
Release: 2009
Genre: Juvenile Nonfiction
ISBN: 9780778744191

Join Slim Goodbody and his Body Buddies for a system-by-system exploration of the amazing human body. Book jacket.

Biomechanics of Skeletal Muscles

Biomechanics of Skeletal Muscles
Author: Vladimir M. Zatsiorsky
Publisher: Human Kinetics
Total Pages: 543
Release: 2012-04-10
Genre: Science
ISBN: 1492582107

Richly illustrated and presented in clear, concise language, Biomechanics of Skeletal Muscles is an essential resource for those seeking advanced knowledge of muscle biomechanics. Written by leading experts Vladimir Zatsiorsky and Boris Prilutsky, the text is one of the few to look at muscle biomechanics in its entirety—from muscle fibers to muscle coordination—making it a unique contribution to the field. Using a blend of experimental evidence and mechanical models, Biomechanics of Skeletal Muscles provides an explanation of whole muscle biomechanics at work in the body in motion. The book first addresses the mechanical behavior of single muscles—from the sarcomere level up to the entire muscle. The architecture of human muscle, the mechanical properties of tendons and passive muscles, the biomechanics of active muscles, and the force transmission and shock absorption aspects of muscle are explored in detail. Next, the various issues of muscle functioning during human motion are addressed. The transformation from muscle force to joint movements, two-joint muscle function, eccentric muscle action, and muscle coordination are analyzed. This advanced text assumes some knowledge of algebra and calculus; however, the emphasis is on understanding physical concepts. Higher-level computational descriptions are placed in special sections in the later chapters of the book, allowing those with a strong mathematical background to explore this material in more detail. Readers who choose to skip over these sections will find that the book still provides a strong conceptual understanding of advanced topics. Biomechanics of Skeletal Muscles also contains numerous special features that facilitate readers’ comprehension of the topics presented. More than 300 illustrations and accompanying explanations provide an extensive visual representation of muscle biomechanics. Refresher sidebars offer brief reminders of mathematical and biomechanical concepts, and From the Literature sidebars present practical examples that illustrate the concepts under discussion. Chapter summaries and review questions provide an opportunity for reflection and self-testing, and reference lists at the end of each chapter provide a starting point for further study. Biomechanics of Skeletal Muscles offers a thorough explanation of whole muscle biomechanics, bridging the gap between foundational biomechanics texts and scientific literature. With the information found in this text, readers can prepare themselves to better understand the latest in cutting-edge research. Biomechanics of Skeletal Muscles is the third volume in the Biomechanics of Human Motion series. Advanced readers in human movement science gain a comprehensive understanding of the biomechanics of human motion as presented by one of the world’s foremost researchers on the subject, Dr. Vladimir Zatsiorsky. The series begins with Kinematics of Human Motion, which details human body positioning and movement in three dimensions; continues with Kinetics of Human Motion, which examines the forces that create body motion and their effects; and concludes with Biomechanics of Skeletal Muscles, which explains the action of the biological motors that exert force and produce mechanical work during human movement.

The Concise Book of Muscles, Fourth Edition

The Concise Book of Muscles, Fourth Edition
Author: Chris Jarmey
Publisher: North Atlantic Books
Total Pages: 289
Release: 2018-10-16
Genre: Medical
ISBN: 1623173396

The bestselling, comprehensive introduction to the anatomy of the muscular system—with over 500 drawings, detailed profiles for each muscle, and additional material. This newly revised fourth edition of The Concise Book of Muscles is a comprehensive guide to the major muscle groups. Easy to use and fully illustrated with more than 500 drawings, this compact reference provides a complete profile for each muscle, clearly showing its origin, insertion, nerve supply, and action, the movements that use it, and, where appropriate, exercises that stretch and strengthen it. The book’s distinctive quick-reference format shows students exactly how to locate and identify specific muscles, highlighting those that are heavily used and therefore subject to injury in a variety of sports and activities. In this updated edition, each muscle chapter now includes detailed overviews of the gross anatomy of the body area to show: • Bony landmarks • Cross-sections of muscle layers • Points of attachment • Relevant nerve pathways • Also included: quick-reference tables and new chapter on pelvic floor muscles While designed for the student and beginning practitioner of anatomy, massage, bodywork, physical therapy, chiropractic medicine, physiotherapy, yoga, and Pilates or any other health-related field, The Concise Book of Muscles is equally useful for athletes and anyone interested in the workings of the human body.