Joint Classification (SADISM)

What are the 3 different type of Joint Classifications?

1. Synarthrosis
2. Amphiarthrosis
3. Diarthrosis

Describe Synarthrosis?

SI

Synarthrosis= Immovable= Fibrous
2 Parts: 1. Synostosis: Sutures of Skull (EX: Sagittal & Coronal Sutures)
2. Gomphosis: Teeth

What are the 2 Parts of Synarthrosis Joints?

1. Synostosis= Sutures of Skull (EX: Sagittal & Coronal Sutures)
2. Gomphosis= Teeth

Describe Amphiarthrosis?

AS

Ampiarthrosis= Slightly Moveable= Cartilaginous
3 Parts: 1. Synchondrosis= Temporary, Epiphyseal Plates, Hyaline Cartilage, Sternal Articulations
2. Symphysis= IVD, Pubic Symphysis, Fibrocartilage
3. Syndesmosis= Interosseous Membrane (EX: Tib/Fib, Radio-Ulnar Joint)

What are the 3 Parts of the Amphiarthrosis Joint?

1. Synchondrosis= Temporary, Epiphyseal Plates, Hylaine Cartilage, Sternal Articulations
2. Symphysis= IVD, Pubic Symphysis, Fibrocartilage
3. Syndesmosis= Interosseous Membrane (EX: Tib/Fib, Radio-Ulnar Joint)

Describe Diarthrosis?

DM

Diarthrosis= Moveable= Synovial
3 Parts: 1. Uniaxial- a. Hinge/Ginglymus, b. Pivot/Trochoid
2. Biaxial- a. Ovoid/Condlymus, b. Saddle/Sellar
3. Triaxial- a. Gliding/Plana, b. Ball & Socket/Spheroidal

What are the 3 parts of the Diarthrosis?

1. Uniaxial
2. Biaxial
3. Triaxial

What are the 2 Types of Uniaxial Joints from Diarthrosis Joints?

-Hinge/Ginglymus= Cubital/Humeral- Ulnar Joint, Mortice Joint (Ankle)
-Pivot/trochoid= Atlas/Axis, Proximal Radio-Ulnar Joint

What are the 2 Types of Biaxial Joints from Diarthrosis Joints?

-Ovoid/Condlymus= Radio-carpal, MCP, TMJ, Knee (modified)
-Saddle/Sellar= 1st Metacarpal/Trapezium, SC Joint

What are the 2 Types of Triaxial Joints from Diarthrosis Joints?

-Gliding/Plana= Facets, AC Joint, inter-Carpal & Tarsal Joints
-Ball & Socket/Spheroidal= Coxa Femoral Joint & Glenohumeral Joint

What is an Example of Schindylesis Joint?

Perpendicular Articulation of Ethmoid & Vomer

What Classification of Joint is the SI Joint?

Atypical Diarthrodial