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Classification of joints (Synovial joints (Four types (Nonaxial (Known as…

- - - - Connect two bones by hyaline cartilage
    - - Opposing surfaces covered with hyaline but seperated from each other by fibrocartilage
- - - - acts as lubricant and provides nutrition to articular cartilage
  - - - Known as Gliding joints/Plane joints
        
        Surface of joints slide over each other
        
        Found in intercarpal joints
    - - Have 2 types
        
        Hige joint
        
        allow flexion and extension movement
        
        Found in elbow joint
        
        Pivot joint
        
        Allows only for rotation
        
        Example: Atlantoaxial joint
        
        ability to rotate head
        
        Invovle proximal radioulnar joint
    - - Have 2 types
        
        Ellipsoid
        
        One of the articulating surface is much longer than the other
        
        Example: Radiocarpal and metacarpophalangeal joint
        
        Saddle
        
        One bone saddle shaped
        
        Example: Carpometacarpal joint of thumb
    - - Known as ball and socket
        
        Ball like surface fits into a cup like depression
        
        Allow free movement in all directions
        
        Abduction/adduction
        
        Rotation/circumduction
        
        Flextion/extension
        
        Example: Shoulders and hip joints