knee joint Rishi Pokhrel

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description

anatomy of knee joint

Transcript of knee joint Rishi Pokhrel

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Introduction

Patello - Femoral joint

Articulating surfaces

Menisci

Ligaments

Synovial membrane and Bursae

Blood supply, Innervation and Lymphatic drainage

Biomechanics

Applied anatomy

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INTRODUCTION

Largest joint

Compound and complex

Modified hinge joint

3 Joints

2 condylar and 1 saddle

Complicated

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RELATIONS

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POPLITEUS

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PATELLOFEMORAL JOINT

Type

Articular surfaces

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TIBIOFEMORAL JOINT

Type

Articular surfaces

Tibial plateau Femoral

surface

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TIBIAL INTERCONDYLAR AREA

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MENISCI

Gen. Charact.

Medial meniscus

Lateral meniscus

Blood supply

Innervation

Functions

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MENISCI contd.....

Ligaments associated with menisci

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STRUCTURE OF MENISCI AND

COMPRESSION ARTICULAR MECHANICS

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MENISCAL TEARS

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LIGAMENTS OF KNEE JOINT1. FIBROUS CAPSULE

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2. OBLIQUE POPLITEAL LIGAMENT

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3. COLLATERAL LIGAMENTS

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COLLATERAL LIGAMENTS contd....

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4. CRUCIATE LIGAMENTS

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CLINICAL TESTS

ANTERIOR DRAWER TEST POSTERIOR DRAWER TEST

LACHMAN'S TEST

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5. ARCUATE POPLITEAL LIGAMENT

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6. LIGAMENTUM PATELLAE

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SYNOVIAL MEMBRANE

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BURSAE AROUND KNEE JOINT ANTERIOR BURSAE

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LATERAL & MEDIAL BURSAE

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POSTERIOR BURSAE

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BLOOD SUPPLY

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Innervation Lymphatic drainage

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BIOMECHANICS

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Flexion and Extension

Conjunct rotations

Accessory Movements

Closed packed position

Passive Knee Flexon

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ARTICULAR KINEMATICS

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LOCKING AND UNLOCKING

Ligaments associated with menisci

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MOVEMENTS AT KNEE WHILE WALKING

Flexion – Extension

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MOVEMENTS AT KNEE WHILE WALKING contd....

SCREWHOME

SCREW

UNSCREW

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LOADING AT KNEE JOINTAND 'Q' ANGLE

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ARTICULAR MECHANICS Friction

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SOFT TISSUE MECHANICSPRIMARY AND SECONDARY RESTRAINS

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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

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BAKER'S CYST

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ARTHROSCOPY PORTS

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DISCOID LATERAL MENISCUS

MRI – CORONOL SECTION

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POSTERIOR KNEE DISLOCATION

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DISCUSSION