What is arthritis of the foot?
There are multiple types of arthritis that might affect your feet. The most common type of arthritis is osteoarthritis, which is often described as “wear and tear” arthritis. This can affect anyone at any age, but it’s most common in people over 45. Osteoarthritis can affect any joint throughout the body, but more commonly it is the larger joints such as your shoulders, hips and knees that are affected. This is due to the increased amount of stress which is applied through these joints during day-to-day life.
The same applies to the joints in your feet, which carry the weight of your body every day. Osteoarthritis can occur in one or multiple joints in the foot and ankle, and gradually develops as the cartilage at the joint begins to degenerate (wear and tear) and the joint space becomes narrowed. This causes the pain and stiffness we associate with osteoarthritis.
What causes arthritis in feet?
Osteoarthritis develops as a result of gradual wear and tear of the protective cartilage that surrounds the end of a bone where it forms a joint. As the cartilage wears away, the joint space becomes narrowed, which causes the joint to become restricted and painful. Some reasons you may develop osteoarthritis include:
- Secondary arthritis – from a previous injury or medical conditions that affect the joints e.g., fractures, joint injuries, gout, rheumatoid arthritis.
- Foot anatomy or altered foot mechanics – varying anatomical alignment or how your feet move and functions can increase your risk of developing OA.
- Being overweight or obese – this will increase strain on your joints
- Genetics – you may inherit a predisposition towards developing osteoarthritis, but this doesn’t mean you’ll definitely get it. It also doesn’t guarantee that those who aren’t genetically predisposed towards osteoarthritis won’t develop the condition.
- Lifestyle – if you lead a highly active lifestyle or work in a demanding job which means you are on your feet for long hours every day, you may be at greater risk of arthritis.