1
Q
What is a dislocation?
A
Trauma produces complete dislocation of articulating surfaces.
2
Q
What is subluxation?
A
Some contact of articulating surfaces remains.
3
Q
Describe the 3 grades of ligament injuries.
A
Grade 1- fibres stretched but normal range on stressing. Grade 2- more fibres involved, laxity on stressing but definite end point. Grade 3- complete tear, excessive laxity and no end point. May be pain free as nerve fibres torn.
4
Q
What is a bursa?
A
Small fluid filled sacs usually situated between a tendon and a bone. Their role is to reduce friction.
5
Q
What is the osteoid?
A
Nonmineral matrix of collagen and noncollagenous proteins.
Limbs And Back
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