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joints
changes with (injury (chronic overuse injuries (involve repeated…
joints
changes with
disease
rheumatoid arthritis
- synovial membrane is
effected by disease
- the quantity ( production)
- & composition of
synovial fluid changes
-
osteoarthritis
- genetic or mechanical
in origin
- erosion & spiltting of the
cartilage occurs
- friction increased
& further erosion
injury
- decr joint support after injury
- separation of bony surfaces
(deviation of normal alignment
- incr loading on other
ligaments
tendons
& capsule
- 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
- immobalization is detrimental
to joint structure & function
- can be imposed externally by
-
-
-
-
- rxn to pain & inflammation
- if the joint is immobilized
at the position of comfort
over a few weeks,
the joint capsule will adapt
-
- contractures will develop
in the surrounding soft tissues
- resumption of normal joint
motion will be difficult
-
exercise
- connective tissue becomes weaker
& loose their normal structure
if they are not loaded
- changes with decr load occurs rapidly
All conn tissues will adapt to
-increased load through changes in
- structural & or material properties
- load must be gradual
-& progressive
- types of connective tissue formed
will match the
-type
-& volume
of the load
-
-