The Body in Motion · Its Evolution and Design by Dimon-Jr., Theodore -- Read -- Imperial Library of Trantor

Index

Other Books by This Author Title Page Copyright Dedication Contents List of Illustrations Preface Introduction 1. The Origins of Movement

Bones, Muscles, and Movement The Head and Its Central Role in Movement Four-Footed Animals and the Role of Posture in Movement Our Upright Design Upright Posture and the Evolution of Intelligence

2. Upright Support—Part I: The Extensors

The Extensors Stretch Reflexes The Head and Spine Head Balance

3. Upright Support—Part II: The Flexors

Flexors and Our Basic Body Design The Suspensory Function of the Flexors Front Length and Head Balance

4. Upright Support—Part III: The Spine

The Central Column Origins of the Human Spine Upright Posture and the Spinal Curves The Spine as Lengthening Device

5. The Shoulder Girdle

The Mobile Cross-Piece The Yard-Arm From Fins to Limbs The Floating Shoulder Girdle

6. The Upper Limb

The Basic Limb Pattern Modes of Positioning the Hand The Rotation Mechanism of the Forearm The Hand The Opposable Thumb The Relation of the Upper Limb to the Shoulder and Trunk

7. The Pelvic Girdle

The Design of the Pelvis The Upright Compromise The Arch Design of the Pelvis The Pelvis in Relation to Lengthening in Stature

8. The Lower Limb

The Weight-Bearing Limb The Ankle Joint The Foot Joints The Arched Foot The Toes Length in the Legs Our Two-Footed Poise

9. Breathing

Why and How We Breathe The Anatomy of Breathing The Suspensory Support of the Trunk Widening the Back Breathing and Our Upright Design

10. The Voice

How We Produce Sound Closure of the Vocal Folds The Suspensory Muscles of the Larynx The Larynx and the Breath The Larynx and the Brain

11. The Suspensory Muscles of the Throat

The Suspended Throat Depressing the Larynx The Throat and Upright Poise The “Open Throat” The Jaw Head Balance Revised

12. The Spiral Musculature

Rotational Movement and Our Upright Design The Evolution of Spiral Muscles Rotational Movement and the Use of the Arms Anatomy of the Spiral Musculature Postural Twists The Suspended Trunk: Our Fishy Ancestry Our Double-Helix Architecture Lengthening into the Spirals

13. The Miracle of the Human Form

Our Upright Suspension System Our Unique Design Features Our Higher-Order Design

About the Author and Illustrator