knee joint Rishi Pokhrel
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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