Quiz Ch. 8

1. Quiz Ch. 8 • What is one main functions of joints? • Name 2 parts of a synovial joint. • From what part of the joint capsule is synovial fluid secreted? • What are menisci? • What are two types of synovial joints?

2. Chapter 8:Joints of the Skeleton

3. Introduction • Joints • 1. • 2. • Functions • 1. • 2. • 3. • 4

4. Introduction • Types of Joints (structural classification) • 1. • 2. • 3. • Synovial Joints • Diarthrotic, meaning… • Complex • Parts • 1. • 2. • 3

5. General Structure of a Synovial Joint • Articular cartilage • 1. • 2. • 3. • Joint capsule • 1. • 2. Two layers • Outer- • Inner-

6. Fig. 8.7

7. General Structure of a Synovial Joint • Ligaments • 1. • 2. • 3. • Synovial Membrane • 1. • 2. • 3.

8. General Structure of a Synovial Joint • Synovial Fluid • 1. • 2. • 3. • Can indicate joint health • Bloody, with lipids- • Clear- • Cloudy, yellowish- • Crystals- • Cloudy, red tinged, pus-

9. Fig. 8.7

10. General Structure of a Synovial Joint • Menisci • 1. • 2. • 3. • Bursae • 1. • 2. • 3.

11. Fig. 8.8

12. Types of Synovial Joints • Six major types • Ball and Socket • Condyloid • Gliding • Hinge • Pivot • Saddle • Classified by shapes and movements

13. Fig. 8.9

14. Fig. 8.9

15. Types of Joint Movements • Muscles produce movements at synovial joints • Muscle contracts • Pulls movable end (__________) toward immovable end (___________) • Movement occurs at joint

16. Types of Joint Movements • Flexion • Extension • Abduction • Adductions

17. Fig. 8.10

18. Clinical App. 8.2 : Joint Disorders • Sprains • 1. • Bursitis • 1. • 2.

19. Clinical App. 8.2 : Joint Disorders • Arthritis • Inflammation of joint • _______ different types • Rheumatoid Arthritis (RA) • Osteoarthritis • Lyme Arthritis

20. Fig. 8A

22. Life Span Changes • Synovial Joints • Loss of function begins in ________ • Progresses slowly • Synovial Fluid… • Joints lose …. • Range of motion, response time affected • Exercise…