1 Joints of the Human Body Joint Classification Synovial Joints – Characteristics of synovial...

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1 Joints of the Human Body • Joint Classification • Synovial Joints – Characteristics of synovial joint – Types of synovial joints

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  • Slide 1
  • 1 Joints of the Human Body Joint Classification Synovial Joints Characteristics of synovial joint Types of synovial joints
  • Slide 2
  • 2 Joint is a point of connection between two bones Strands of connective tissue, ligaments, hold the bones together and ensure the stability of joints
  • Slide 3
  • 3 Joint Classification Joints are classified according to their motion capabilities: Synarthroses Immovable Amphiarthroses Slightly movable Diarthroses Allow the greatest amount of motion
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  • Fibrous Joint: Synarthroses 4
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  • Cartilaginous Joint: Amphiarthroses 5
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  • Synovial Joint: Diarthroses 6
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  • 7 Types of Synovial Joints There are three basic types of synovial joints: unilateral (rotation only about one axis) biaxial joints (movement about two perpendicular axes) multiaxial joints (movement about all three perpendicular axes)
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  • 8 Hinge Joint Uniaxial Has one articulating surface that is convex, and another that is concave. E.g. humero-ulnar elbow joint, interphalangeal joint.
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  • 9 Pivot Joint Uniaxial E.g. head of radius rotating against ulna
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  • 10 Condyloid/Ellipsoidal Joint Biaxial (flexion-extension, abduction-adduction) The joint surfaces are usually oval One joint surface is an ovular convex shape, and the other is a reciprocally shaped concave surface
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  • 11 Saddle Joint Biaxial (flexion-extension, abduction- adduction) The bones set together as in sitting on a horse
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  • Sport Books Publisher12 Ball and Socket Joint Multiaxial (rotation in all planes) A rounded bone is fitted into a cup=like receptacle
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  • 13 Plane (Gliding) Joint Uniaxial (permits gliding movements) The bone surfaces involved are nearly flat E.g. Carpal and Tarsals

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Types of Synovial Joints
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Synovial Fluid. Physiology Synovial fluid, often referred to as “joint fluid,” is a viscous liquid found in the cavities of the movable joints. The bones.
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