Joints

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Joints
Chapter 9
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• Classified structurally and functionally
• presence or absence of synovial cavity
• type of binding connective tissue

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Fibrous
Cartilaginous
Structural Types
Synovial
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Functional Types

• Synarthrosis-
• immovable joint
• can become synostosis (bony joint)

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• Amphiosis
• slightly movable

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• Diarthrosis
• freely movable

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• Three types of fibrous joints
• 1. Suture
• between bones of skull
• synarthrosis
• become synostosis

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• 2. Syndesmosis
• more distance
• fibrous connective
• tissue in sheet
• (ligament)
• amphiarosis

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• 3. Gomphosis (dentoalveolar)
• cone-shaped peg in socket
• synarthrosis

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• Two types of cartilaginous joints
• 1. Synchondrosis
• hyaline cartilage
• synarthrosis

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• 2. Symphysis
• fibrocartilage
• found on midline of body
• amphiarosis

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Synovial joints

• all diarthroses
• articular cartilage
• on epiphyses
• articular capsule
• synovial fluid
• accessory ligaments
• articular discs (menisci)
• bursae
• tendon sheaths

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Sprain vs. Strain
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Angular
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Special movements
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(condyloid)
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Arthritis
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Lyme disease
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Ankylosing Spondylitis