St Leonards Physiotherapy | Knee Osteoarthritis
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Knee Osteoarthritis

Knee Osteoarthritis is a degenerative joint disease and a worldwide leading cause of disability in people over 50, but the symptoms may begin at an even younger age. This disorder occurs when the cartilage around the joint starts to break down, and it can affect any major joint of the body. Knees are among the most commonly affected joints, and if you are already experiencing signs of knee osteoarthritis, such as pain and stiffness, here’s what you need to know.

What causes Knee Osteoarthritis?

Cartilage acts as a cushioning agent between your joints and enables them to move smoothly and without friction. If this soft tissue begins to thin, it causes the bones to rub closer and closer together. The less cartilage there is to protect your bones, the more likely you are to develop osteoarthritis in that area.

Key symptoms of Knee Osteoarthritis

Knee osteoarthritis symptoms may be barely noticeable at first, but they are sure to get worse over time as the disorder progresses. What to look for:

  • Pain during or after prolonged activity
  • Tenderness or sensitivity to the touch in the area surrounding the affected joint
  • Stiffness around the affected joint, or joints, that is more pronounced in the morning when you first wake up or after an extended period of inactivity.
  • Restricted range of motion and loss of flexibility
  • The sound or feeling of a grating sensation that occurs while moving the affected joint
  • The onset of a hard lump, known as a bone spur, on or around the affected joint.

Who is at risk for Osteoarthritis of the Knees?

Genetic predisposition

  • Genetic predisposition: Inherited bone abnormalities, as well as familial gene mutations, may mean a higher likelihood of developing knee arthritis

Age:

  • Age: Over the age of fifty, everyone is more susceptible to developing osteoarthritis due to natural wear and tear on the joints

Gender:

  • Gender: According to the Arthritis Foundation, women are 25.9% more likely to develop this disorder than men

Repetitive use:

  • Repetitive use: If you work in a career, play in a sport or participate in any other activity where you are repeatedly placing more stress on your knees, microtraumas may result and lead to an earlier onset of osteoarthritis

Injuries:

  • Injuries: Previous knee fractures or sprains, even if they healed well, are also an aggravating factor in developing this disorder

Obesity:

  • Obesity: Even ten pounds of extra body weight increases the daily impact on your knees and may cause the cartilage to break down more quickly

What treatments are available?

There are many types of treatments available today for osteoarthritis of the knee. The primary goals of any treatment are to decrease pain and increase mobility. Your physio can offer the best advice, but here are some of the conventional therapies used to treat arthritic knees.

Physiotherapy

  • Your Physio can demonstrate and provide you with an exercise plan that will help to retain mobility, increase flexibility, and also improve stability by strengthening the muscles surrounding the joint.

Losing weight

  • Losing weight, even just a few pounds, significantly reduces stress on the knees and may also help to relieve pain.

Corticosteroid

  • Corticosteroid injections are another common treatment. This is a more powerful anti-inflammatory option since it is injected directly into the affected area.

Surgery

  • Surgery is the most invasive treatment, so it is always a last resort. For many patients, however, this provides longer lasting relief and a return to increased physical activity. The least invasive surgical option is arthroscopy. In this procedure, the surgeon inserts an arthroscope through a small incision to view the affected area, clean up loose particles and remove damaged cartilage. If the patient is older or the affected knee was previously injured, the surgeon may recommend an osteotomy to help correct knee alignment. A full joint replacement surgery, or arthroplasty, involves a full or partial replacement of the knee joint with metal or plastic parts. These replaced knees do wear out over time, and there are some known risks, but they offer patients a good outcome with increased mobility.

If you are experiencing a lot of pain, stiffness, and tenderness in your knee joints, regardless of age, it is a good idea to consider seeing your physio for a diagnosis and treatment. The earlier the diagnosis, the better your long-term prognosis.

Call (02) 9438 1782 to book an appointment or