Human Anatomy

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Human Anatomy

• Chapter 9
• Articulations

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Classification of Joints

• A. Primary joint classification is based on
  functional or structural classification
• 1. Synarthrosis --
• 2. Amphiarthrosis --
• 3. Diarthrosis --

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• B. Fibrous joints -- bones are held together
  with connective tissue to form a tight fit
• 1. Syndesmoses --

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• 2.
• 3.

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• C. Cartilaginous joints -- held together by
  hyaline cartilage or by fibrocartilage
• 1.

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• 2.

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• D. Synovial joints -- most numerous joints in
  the human body (also freely movable)
• synovial membranes have these 7
  characteristics

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TOP VIEW OF TIBIA BONE SHOWING MENISCI AND
LIGAMENTS
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Types of Synovial Joints

• A. Three main groups..each with 2 sub-groups
• 1.

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Range of Motion at Synovial Joints

• A. Measured by a goniometer
• B. Why is ROM important?

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• C. Types of movements at synovial joints
• 1. Angular movements
• 2. Circular movements

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• 3. Gliding movements
• 4. Special Movements