Postural Stability in Osteoarthritis of the Knee and Hip: Analysis of Association With Pain Catastrophizing and Fear Avoidance Beliefs
Persons with knee osteoarthritis (OA) are at risk of having sensations of instability and sometimes experience buckling. The instability has been associated with psychosocial dysfunction, such as fear of movement, and impaired physical functioning. A high degree of fear of movement is positively correlated with avoidance in other conditions.
PM R the journal of injury, function, and rehabilitation