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39
General changes with - Coggle Diagram
39
General changes with
disease
Rheumatoid arthritis
- composition of synovial fluid changes
- quantity of synovial fluid(production)
- synovial membrane is affected
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Osteoarthritis
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- genetic/mechanical in origin
- erosion & splitting of cartilage occurs
- friction increased & further erosion
injury
- separation of bony surfaces - deviation of normal alignment
- increased loading on other ligaments,tendons & capsule
- joint support decreased after injury
- excessively stretched fibrous components
& unable to provide protection
- abnormal compression during weight bearing & motion
Chronic overuse injuries
- involve repeated/sustained loads
while the tissue is still in deformed state
- recovery time is the critical variable
not the loading size
immobilization
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self imposed
- rxn to pain & inflammation
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exercise
- changes with decreased load occurs rapidly
- All connective tissues will adapt to increased load
thru changes in structural &/or material properties
- connective tissues become weaker
& loose their normal structure if they are not loaded
- load must be gradual & progressive
- type of connective tissue formed
will match the type & volume of the load
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