2. Unit 4 Day 9 Anatomy They always talk who never think. M. Prior

3. Weeks Agenda Synovial Joints Joints and Movements Injuries and Review Friday - TEST

4. TEST on FRIDAY

5. Synovial Joint

6. Obj. 17 Synovial Joints Articular cartilage covers the surface of the bones. Joint cavity with space Joint cavity enclosed by double layered articular capsule Joint space bathed by synovial fluid Joint supported by reinforcing ligaments

8. Synovial practice _______________ covers the surface of the bones in synovial joints. Synovial joints have a ________ with space. The joint is bathed in ___________ fluid.

9. Synovial practice CARTILAGE covers the surface of the bones in synovial joints. Synovial joints have a CAVITY with space. The joint is bathed in SYNOVIAL fluid.

10. Obj. 18 Ball and socket synovial joints are fairly stable. The more ligament a joint has, the more stable. A ligament can stretch 6% of its length before it snaps. Tone of muscles that cross a joint contributes to joint strength

11. Name two places in your body you have synovial joints? What tissue gives synovial joints their strength?

12. a.Gliding/Plane Joint SEE DIAGRAM IN NOTES

13. Objective 19: Movements will be done tomorrow.

14. Objective 20: Name the five types of joints. See page 13 of your note packet.

15. b.Hinge joint

16. c. Pivot joint

17. d. Ellipsoid OR CONDYLOID joint between scaphoid and lunate bones of the wrist

18. e.Saddle joint between trapezium of the carpus (wrist)

19. f. Ball and Socket Joint

20. Working with your partner, list 5 types of joints and be ready to share.

21. Objectives 21, 22 Separate note sheet.

22. Sprains Stretching or tearing of ligament. Poorly vascularized so slow to heal.

23. Obj. 21 Structure of Selected Synovial Joints Shoulder- a ball and socket joint. Glenoid cavity of scapula articulates with humerus Most freely moveable joint of the body Stablized by tendons and rotator cuff muscle

24. Elbow- Hinged joint Hip- ball and socket strong, weight bearing Knee – hinge joint *largest joint of body

25. Dislocation Displacement of bones from their normal location.

26. Cartilage injury Cartilage tears under pressure. Does not repair.

27. Bursitis – inflammation of bursa.

28. Olecron bursitis More typical image

29. Arthritis – inflammation of the joint accompanied by stiffness. 1 in 7 of you will get it.

30. Complete questions 1-18 on the handout.