Joints

3 types
- based on their freedom of movement:
  - (1) synarthroses,
  - (2) amphiarthroses
  - (3) diarthroses
- Synarthroses
  - Example: sutures of skull
  - have motion during early childhood, they usually have no motion at maturity
  - simply serve to join two bony elements.
- Amphiarthroses
  - Example: symphysis pubis
  - have hyaline cartilage and intervening discs
  - Limited motion is possible.
- Diarthroses
  - characterized by hyaline cartilage, synovial membranes, capsules, and ligaments.
  - Types
    - Uniaxial joints
      - Allow movement in one plane
        
        hinge
        
        trochoid
    - Biaxial joints
      - Allow movement in two planes.
        
        condyloid
        
        ellipsoid
        
        saddle
    - Polyaxial joints
      - Allow movement in any direction
        
        ball and socket
    - Plane (gliding) joints
      - Allow only slight sliding of one joint surface over another

Specific Joints

Acromioclavicular Joint
Ankle Joint
Cervical Spine
CMC Joint of Thumb
Elbow Joint
Foot
Hand
Hip Joint
Knee Joint
MP joint
Phalangeal Joints
Radial Ulnar Joints
Sacro-iliac Joint
Shoulder joint
Spine
Sternoclavicular Joint
Sub-Talar Joint
Thumb CMC & MP Joints
Wrist Joint

Related Pages

Friction & Lubrication
Neurogenic joint
Open Joint Injuries
Septic Joint