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Human Movement: How the Body Walks, Runs, Jumps, and Kicks
Human Movement: How the Body Walks, Runs, Jumps, and Kicks
Human Movement: How the Body Walks, Runs, Jumps, and Kicks
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Human Movement: How the Body Walks, Runs, Jumps, and Kicks

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Why do we walk on two legs? How do our muscles know how to work together when we dance? How does our brain work with our hands to sink a basketball? In Human Movement: How the Body Walks, Runs, Jumps, and Kicks, readers ages 12 to 15 learn the basic anatomy and physiology of the human body and discover how bones, muscles, tendons, and nerves work together to make movement possible.

Bones give the body structure and the ability to stay upright. Muscles make possible the movement of the bones. The brain tells the muscles what to do and when to do it. And your heart, lungs, and other organs provide the fuel that powers movement. Human Movement takes a look at all of the components of the human body and examines how they allow you to move and interact with the world around you. Readers also learn what they can do to keep their bodies healthy and fit and moving well.

Combining hands-on activities with biology, chemistry, biomechanics, and nutrition, Human Movement offers entertaining graphic novel illustrations and fascinating sidebars to illuminate the topic and engage readers further. Human Movement integrates a digital learning component by providing links to primary sources, videos, and other relevant websites to deepen readers’ experiences and strengthen practical connections to the material.

Projects include building a hand model with working muscles and tendons, testing what makes bones strong, examining how changing your center of gravity affects balance and motion, identifying how different types of joints work, and using yeast to investigate how the body metabolizes food into energy. Additional materials include a glossary, and a list of current reference works, websites, and Internet resources.

LanguageEnglish
PublisherNomad Press
Release dateMar 20, 2017
ISBN9781619304833
Human Movement: How the Body Walks, Runs, Jumps, and Kicks
Author

Carla Mooney

Carla Mooney is an award-winning children’s author. She has written more than 70 books for children and young adults, including many for Nomad Press, such as Climate in Crisis: Changing Coastlines, Severe Storms, and Damaging Drought and The Physics of Fun. She lives in Pittsburgh, Pennsylvania.

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    Book preview

    Human Movement - Carla Mooney

    Nomad Press

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    Copyright © 2017 by Nomad Press. All rights reserved.

    No part of this book may be reproduced in any form without permission in writing from the publisher, except by a reviewer who may quote brief passages in a review or for limited educational use.

    The trademark Nomad Press and the Nomad Press logo are trademarks of Nomad Communications, Inc.

    Educational Consultant, Marla Conn

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    Timeline

    Introduction

    Forces and Motion in the Human Body

    Chapter 1

    The Skeleton

    Chapter 2

    The Muscular System

    Chapter 3

    The Brain-Body Connection

    Chapter 4

    Help From the Organs

    Chapter 5

    Fuel to Move

    Chapter 6

    Moving On

    Index

    TIMELINE

    Forces and Motion in the Human Body

    How does your body move and how does that affect your health?

    Different forces act on your body’s systems to create different types of movement.

    The human body was made for movement. Every day, you move different parts of your body, from your head to your toes. All bodies move differently. Even picking up a book and turning the pages involves moving your body. Have you ever wondered how your body moves?

    How does your arm know where to reach and catch a ball? When you play the piano, how do your fingers know which keys to strike? How does your body adjust to a new workout routine? The answers to these questions can all be found in the study of human movement.

    Moving an arm or a leg might seem like a simple task. But human movement is actually very complex. Movement is a change in place, position, or posture in relation to the environment. Movement happens only when different body systems, such as the skeletal system, cardiovascular system, neuromuscular system, and the body’s energy systems, work together. To move successfully, these systems interact and adapt to a constantly changing environment.

    Kinesiology is the science of human movement.

    Kinesiology studies how the body initiates and controls movement, beginning with the brain and using all the different body systems. It studies the body at rest and in motion and examines how body systems interact during different types of movement.

    Kinesiology also studies how the body adapts and changes as a result of motion. Using this knowledge, kinesiology professionals are able to improve the body’s performance, help people avoid injury, and improve physical fitness. Kinetics is the study of the impact that different forces have on mechanical systems, such as your body.

    FORCES AND MOTION

    As you move throughout your day, forces act on your body. When you walk down the street, twirl on the dance floor, or even just sit in a chair, invisible forces affect your body and its movement. A force is a push or pull on an object that results from the object’s interaction with another object. When two objects interact, there is a force acting on each of them. When the interaction ends, the objects no longer experience that force.

    Objects move when forces are applied to them. English scientist Isaac Newton explained the way that motion works in his three laws of motion.

    MOTIONOTION

    The term kinesiology comes from the Greek word kine, meaning to move, and ology, meaning the study of. It’s a word to describe the mechanics and structure of the body in relation to movement.

    VOCAB LAB

    There is a lot of new vocabulary in this book! Turn to the glossary in the back when you come to a word you don’t understand. Practice your new vocabulary in the VOCAB LAB activities in each chapter.

    An object at rest will stay at rest.

    An object in motion will stay in motion unless acted on by an outside force.

    The acceleration of an object is proportional to the force.

    As the mass increases, the acceleration decreases.

    For every action there is an equal and opposite reaction.

    Newton’s three laws of motion define all types of motion, including the movement of your body.

    •Law of inertia: An object at rest will stay at rest and an object in motion will stay in constant linear motion unless acted on by an outside force. If a ball is rolling, it will keep rolling forever unless something stops it. In the same way, if a ball is at rest, it will stay at rest until a force pushes it to move.

    •Law of acceleration: The acceleration of an object is directly proportional to the force acting on it and inversely proportional to the mass of the object. As the force acting upon an object increases, the acceleration of the object also increases. As the mass of an object increases, the acceleration of the object decreases for a fixed force.

    •Law of action and reaction: For every action there is an equal and opposite reaction. When one object exerts a force on a second object, the second object reacts by exerting an equal force in the opposite direction on the first object. For example, when you walk, your body pushes down on the ground to move yourself forward. The ground pushes back against you with the same magnitude of force, propelling you forward.

    The movement of the human body follows Newton’s laws of motion. The body moves when internal and external forces act on it. Internal forces are generated within the body. When a muscle

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