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There are many forms of arthritis. Osteoarthritis is the most common form and the most frequent joint disorder in seniors. It is also one of the major reasons why seniors limit their activities.
Arthritis is due to the wearing down of cartilage, which is the material that cushions the ends of the bones. Some researchers believe that when the joints are unable to react properly to stress, the cartilage is damaged. This leads to the development of arthritis.
The joints most commonly affected by arthritis are weight-bearing joints, such as feet, knees, hips and spine. Other joints, such as finger and thumb joints, may also be affected.
While approximately the same percentage of men and women have arthritis when all ages are considered, it affects them in different ways. The disease seems to affect women's hands, knees, ankles and feet, whereas in men, the symptoms are more likely to appear in the hips, wrist and spine. Also, women are more likely to experience symptoms in more than one joint than are men.
The warning signs of arthritis include:
Many people with arthritis do not experience any symptoms in the initial stages of the disease. It often takes a long time for the disease to progress and the condition can remain stable for long periods of time.
The key risk factors for the development of arthritis are age, excess weight, injury and complications from other conditions, heredity and lack of physical activity.
While age is not a cause of arthritis, this disease affects a very large number of seniors. You can't stop the years from adding up, but you can improve the way your body ages by adopting a healthy lifestyle and making exercise a part of your everyday life.
Many studies have identified a link between obesity and arthritis. Excess weight puts extra stress on weight-bearing joints, especially the knees. A 10-15 lb. weight loss can reduce pain in the knees.
Arthritis can develop because of previous joint injuries or joint inflammation, hereditary joint conditions, or diseases that affect the joints (such as diabetes).
Joint injury can also occur when joints are put under repetitive, high impact stress for long periods of time. Some specific exercises, sports or occupations may increase the likelihood of arthritis. For example, hand arthritis is more frequent among boxers, and elbow arthritis is more likely to develop in pneumatic drill operators.
Some very specific types of arthritis can result from hereditary factors. Some families may pass on the tendency for defective cartilage; others may pass on slight defects in the way joints fit together.
Arthritis symptoms such as pain, stiffness, fatigue and fear of harming oneself often lead people with arthritis to avoid exercise. Ironically, inactivity can worsen arthritis problems.
While we are unable to change some of the factors which make one susceptible to arthritis, such as age, sex and heredity, it is possible to reduce the likelihood of developing this disease by adopting a healthy lifestyle that includes exercise (such as walking, cycling and swimming) to strengthen supporting muscles and maintain joint mobility. Weight control can also help reduce stress on the joints and spine.
Medication can sometimes be used to alleviate pain. The application of heat can help relieve some of the joint pain and soreness, and the application of cold can help reduce swelling. Severe, advanced arthritis may be treated with surgery.
Protecting joints by avoiding excess mechanical stress in daily life is important. This can be accomplished by pacing tasks, using assistive devices such as canes, grab bars and larger handles, and by proper joint positioning.
Contact
The Arthritis Society (External link) toll free at: 1-800-321-1433
Our thanks to the Arthritis Society for its contribution to the preparation of this Info-Sheet.
Division of Aging and Seniors
Public Health Agency of Canada
Address Locator: 1908A1
Ottawa, Ontario
K1A 0K9
Telephone: 613-952-7606
TTY: 1-800-267-1245
Fax: 613-957-9938
E-mail: seniors-aines@phac-aspc.gc.ca
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