1. Essentials of Human Anatomy & Physiology Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slides 5.16 – 5.24 Seventh Edition Elaine N. Marieb Chapter 5 The Skeletal System Lecture Slides in PowerPoint by Jerry L. Cook

2. Bone Fractures Slide 5.16 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  A break in a bone  Types of bone fractures  Closed (simple) fracture – break that does not penetrate the skin  Open (compound) fracture – broken bone penetrates through the skin  Bone fractures are treated by reduction and immobilization  Realignment of the bone

3. Common Types of Fractures Slide 5.17 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Table 5.2

4. Simple Fracture

5. Compound Fracture

6. Depressed Fracture

7. Spiral Fracture

8. Greenstick Fracture

9. Repair of Bone Fractures Slide 5.18 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Hematoma (blood-filled swelling) is formed  Break is splinted by fibrocartilage to form a callus  Fibrocartilage callus is replaced by a bony callus  Bony callus is remodeled to form a permanent patch

10. Stages in the Healing of a Bone Fracture Slide 5.19 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.5

11. The Axial Skeleton Slide 5.20a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Forms the longitudinal part of the body  Divided into three parts  Skull  Vertebral column  Bony thorax

12. The Axial Skeleton Slide 5.20b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.6

13. The Skull Slide 5.21a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Two sets of bones  Cranium  Facial bones  Bones are joined by sutures  Only the mandible is attached by a freely movable joint

14. The Skull Slide 5.21b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.7

15. Bones of the Skull Slide 5.22 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.11

16. Human Skull, Superior View Slide 5.23 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.8

17. Human Skull, Inferior View Slide 5.24 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.9