Lecture 16 - Articulations Articulation Definition: a point...

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Articulations
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Articulation Definition : a point of contact between 1) Bones (elbow) 2) Bones and cartilage (epiphyseal plates) 3) Bones and teeth
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Structural classification of joints Based on anatomical structure • Fibrous • Cartilaginous • Synovial
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Functional classification of joints Based on amount of movement at a joint • Immovable b synarthrosis • Slightly movable b amphiarthrosis • Freely movable b diarthrosis
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Types of synarthroses (immovable joints) Cartilaginous joint Fibrous joints
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Types of amphiarthroses (slightly movable joints) Fibrous joint Cartilaginous joint
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Types of diarthroses (freely movable joints) All diarthroses are synovial joints Mono-axial joint: elbow
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Types of diarthroses (freely movable joints) Tri-axial joints: hip and shoulder
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Types of diarthroses (freely movable joints)
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Structure of diarthroses (synovial joints)
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Functions of synovial fluid: 1) Lubricates joint 2) Provides nutrients to articular cartilage (avascular) 3) Shock absorption Accessory structures of synovial joints: • Ligaments: intracapsular and extracapsular • Tendons • Bursae • Menisci
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This note was uploaded on 09/11/2011 for the course PSIO 201 taught by Professor Stanescu during the Summer '08 term at University of Arizona- Tucson.

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Lecture 16 - Articulations Articulation Definition: a point...

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