1. Joints Chapter 8

2. What is a joint? Defined as the site where two or more bones meet. Also called an “articulation”. Joints allow mobility within our skeleton.

3. Classification of Joints Functional classification  Synarthroses  Amphiarthroses  Diarthroses

4. Classification of Joints Structural classification  Fibrous joints  Cartilaginous joints  Synovial joints

5. Classification of Joints

7. FIBROUS JOINTS General Characteristics  Bones are joined by fibrous tissue  No joint cavity is present  Most are immovable but some are slightly moveable

8. Types of Fibrous Joints Sutures Synostosis Gomphosis Syndesmosis

9. Sutures

10. Synostosis

11. Gomphosis

12. Syndesmosis

13. CARTILAGINOUS JOINTS General Characteristics  Articulating surfaces are united by cartilage  No joint cavity  Can be synarthrotic or amphiarthrotic

14. Types of Cartilaginous Joints Synchondrosis Symphysis

15. Synchondrosis

16. Symphysis

17. SYNOVIAL JOINTS General Characteristics  Articular bones are separated by a fluid-filled cavity  Joints of limbs  Diarthrotic

18. Components of a Synovial Joint

19. Functions of a Synovial Fluid

20. Accessory Structures of a Synovial Joint

21. Movements of Synovial Joints Axis of motion  Nonaxial  Uniaxial  Biaxial  Multiaxial

22. Movements of Synovial Joints

23. Movements Relative to Anatomical Position

26. Movements with Limited Applications

27. Special Movements

28. Classes of Synovial Joints

30. Joint Injuries Sprains Dislocations Bursitis Tendonitis Synovitis Patellar bursitis Dislocation of the shoulder joint

31. Arthritis

33. Gouty Arthritis