Knee OA Flashcards
1
Q
What is ‘Primary Knee OA’?
A
Primary knee OA is the result of articular cartilage degeneration without any known reason. This is typically thought of as degeneration due to age as well as wear and tear.
2
Q
What is ‘Secondary Knee OA’?
A
Secondary knee OA is the result of articular cartilage degeneration due to a known reason.
3
Q
What are the risk factors for secondary knee OA?
A
Obesity Joint hypermobility or instability Malpositioning of the joint e.g. valgus/varus posture Previous injury to the joint e.g. fracture along articular surface (tibial plateau fracture) Congenital defects Immobilisation and loss of mobility Family history Metabolic causes e.g. rickets
4
Q
What are the main signs & symptoms of knee OA?
A
Pain on movement Stiffness, particularly early morning stiffness Loss of range of movement Pain after prolonged sitting or lying Pain on joint line palpation Joint enlargement.
