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The Online Learning Center provides a wealth of information fully organized and integrated by chapter. You will find practice quizzes, interactive activities, labeling exercises, flashcards, and much more that will complement your learning and understanding of anatomy and physiology.

Saladin: Anatomy & Physiology: The Unity of Form and Function, Third

Saladin: Anatomy & Physiology: The Unity of Form and Function, Third

Sectional Anatomy Heart

CHAPTER

Lateral view of the knee (MRI)

CHAPTER OUTLINE

Joints

Joints and Their Classification 294

Fibrous, Cartilaginous, and Bony Joints 295

  • Fibrous Joints 296
  • Cartilaginous Joints 297
  • Bony Joints (Synostoses) 297

Synovial Joints 298

  • General Anatomy 299
  • Types of Synovial Joints 299
  • Movements of Diarthroses 302
  • Range of Motion 307
  • Levers and Biomechanics of the Joints 307

Anatomy of Selected Diarthroses 310

  • The Temporomandibular Joint 310
  • The Humeroscapular Joint 310
  • The Elbow Joint 311
  • The Coxal Joint 312
  • The Knee Joint 314
  • The Ankle Joint 317

Chapter Review 322

INSIGHTS

Clinical Application: Exercise and Articular Cartilage 299 Clinical Application: TMJ

Syndrome 310

Clinical Application: Knee Injuries and Arthroscopic Surgery 316 Clinical Application: Arthritis and Artificial Joints 320

Brushing Up

To understand this chapter, it is important that you understand or brush up on the following concepts:

  • Names of all bones (fig. 8.1, p. 245; table 8.1, p. 246)
  • Surface features of bones, especially of their articular surfaces (table 8.2, p. 247)

Saladin: Anatomy & I 9. Joints I Text

Physiology: The Unity of Form and Function, Third Edition

294 Part Two Support and Movement

In order for the skeleton to serve the purposes of protection and movement, the bones must be joined together. A joint, or articulation, is any point at which two bones meet, regardless of whether they are movable at that point. Your knee, for example, is a very movable joint, whereas the skull sutures described in chapter 8 are immovable joints. This chapter describes the joints of the skeleton and discusses some basic principles of biomechanics relevant to athletic performance and patient care. Chapter 10, in which the actions of skeletal muscles are described, builds on the discussion of joint anatomy and function presented here.

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