anatomy of knee joint

1. 1

2. 
Introduction

Patello - Femoral joint

Articulating surfaces

Menisci

Ligaments

Synovial membrane and Bursae

Blood supply, Innervation and Lymphatic drainage

Biomechanics

Applied anatomy
2

3. INTRODUCTION

Largest joint

Compound and complex

Modified hinge joint

3 Joints

2 condylar and 1 saddle
Complicated
3

4. RELATIONS
4

5. POPLITEUS
5

6. PATELLOFEMORAL JOINT

Type

Articular surfaces
6

7. TIBIOFEMORAL JOINT

Type

Articular surfaces
− Tibial plateau
− Femoral
surface
7

8. TIBIAL INTERCONDYLAR AREA
8

9. MENISCI

Gen. Charact.

Medial meniscus

Lateral meniscus

Blood supply

Innervation

Functions
9

10. MENISCI contd.....
Ligaments associated with menisci
10

11. STRUCTURE OF MENISCI AND
COMPRESSION ARTICULAR MECHANICS
11

12. MENISCAL TEARS
12

13. LIGAMENTS OF KNEE JOINT
1. FIBROUS CAPSULE
13

14. 2. OBLIQUE POPLITEAL LIGAMENT
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15. 3. COLLATERAL LIGAMENTS
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16. COLLATERAL LIGAMENTS
contd....
16

17. 4. CRUCIATE LIGAMENTS
17

18. CLINICAL TESTS
ANTERIOR DRAWER TEST POSTERIOR DRAWER TEST
LACHMAN'S TEST
18

19. 5. ARCUATE POPLITEAL LIGAMENT
19

20. 6. LIGAMENTUM PATELLAE
20

21. SYNOVIAL MEMBRANE
21

22. BURSAE AROUND KNEE JOINT
ANTERIOR BURSAE
22

23. LATERAL & MEDIAL BURSAE
23

24. POSTERIOR BURSAE
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25. BLOOD SUPPLY
25

26. 
Innervation

Lymphatic drainage
26

27. BIOMECHANICS
27

28. 
Flexion and Extension

Conjunct rotations

Accessory Movements

Closed packed position
Passive Knee Flexon
28

29. ARTICULAR KINEMATICS
29

30. LOCKING AND UNLOCKING

Ligaments associated with
menisci
30

31. MOVEMENTS AT KNEE WHILE WALKING

Flexion – Extension
31

32. MOVEMENTS AT KNEE WHILE WALKING contd....
SCREWHOME
SCREW
UNSCREW
32

33. LOADING AT KNEE JOINT
AND 'Q' ANGLE
33

34. ARTICULAR MECHANICS

Friction
34

35. SOFT TISSUE MECHANICS
PRIMARY AND SECONDARY RESTRAINS
35

36. APPLIED ANATOMY

Very common joint for a variety of pathologies

Traumatic pathologies

Degenerative joint conditions

Bursitis

Bakers cyst

Meniscal tears

Ligament tears

Arthroscopic surgery

Discoid lateral meniscus

Dislocation
36

37. BAKER'S CYST
37

38. ARTHROSCOPY PORTS
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39. DISCOID LATERAL MENISCUS
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MRI – CORONOL SECTION

40. POSTERIOR KNEE DISLOCATION
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41. DISCUSSION
41