It is caused by wear and tear due to excessive use over the years or to old injuries in the affected joints. It commonly affects people over 60 years of age. It mostly affects the large weight-bearing joints like the knees, hips and spine, causing pain and stiffness which is worst at the end of the day. The affected person may have difficulty in walking, climbing stairs, squatting or kneeling.
Sex ( Females are at higher risk)
Obesity ( 66% of obese people are at risk for Knee OA )
Age ( higher risk above 45 years old)
Physical Activities ( repetitive trauma to joint)
Ethnicity ( Asians are at higher risk )
Typical features include :
narrowed joint space
cartilage loss and damage
bone spur formation
SIGNS AND SYMPTOMS
Signs and symptoms include :
Joint pain and swelling
Cracking sounds in joint
Difficulty in movement
70% of OA cases are that of Knee OA.
25% of sufferers are unable to perform major activities of daily living.
Lifestyle modification ( weight loss, decreased weight-bearing activity etc)
Physiotherapy ( strengthening of the muscles around the joint )
Oral supplements ( e.g glucosamine)
Painkillers ( side effects of medications need to be managed carefully )
Joint Injections ( steroids, viscosupplementation)
Surgery ( for severe cases when all other treatments have failed to provide relief)