Knee
 / 
Arthritis of the Knee

Arthritis of the Knee

In This Article

What is Arthritis of the Knee?

Arthritis of the knee is a degenerative joint disease characterized by cartilage loss, pain, stiffness, and swelling in the knee joint.

  • Cartilage deterioration
  • Joint pain and stiffness
  • Impaired mobility

Overview of the Condition

It commonly affects older adults and can be associated with osteoarthritis or rheumatoid arthritis.

Symptoms

  • Knee pain and swelling
  • Stiffness after rest
  • Crepitus (grinding sensation) during movement

Causes

Mainly due to wear and tear over time, previous injuries, or autoimmune conditions.

Diagnosis

Diagnosis is made with a clinical exam and confirmed with X-rays or MRI showing joint space narrowing and osteophyte formation.

Treatment Options

  • Pain relief with NSAIDs and corticosteroid injections
  • Physical therapy and weight management
  • Surgical options such as knee replacement for severe cases

Conservative Management

Initial care includes medications, physical therapy, and lifestyle modifications to reduce stress on the knee.

Rehabilitation Exercises

  1. Low-impact aerobic exercises (e.g., cycling, swimming)
  2. Strengthening exercises for the quadriceps and hamstrings
  3. Flexibility and range-of-motion activities

Surgical Options

In advanced cases, surgical treatments like osteotomy or total knee replacement may be indicated.

Anatomy Overview

The knee joint consists of the femur, tibia, and patella, with cartilage cushioning and ligaments providing stability.

Affected Areas

  • Knee joint (medial, lateral, and patellofemoral compartments)
  • Surrounding ligaments and tendons

Frequently Asked Questions

QuestionAnswerCan knee arthritis be managed without surgery?Yes, many patients benefit from non-surgical treatments such as physical therapy and medications.What are common symptoms?Pain, stiffness, and swelling are typical, especially after prolonged activity or rest.

Prevention Strategies

  • Maintain a healthy weight
  • Exercise regularly to strengthen muscles around the knee
  • Avoid repetitive high-impact activities

Related Conditions

  • Rheumatoid arthritis
  • Meniscal tears

Additional Treatments

Supplements like glucosamine and chondroitin may provide additional joint support.

A Quick, Clear First Step Toward Joint Pain Relief

In under 2 minutes, OrthoCheck gives you a likely diagnosis—no appointment needed. If follow-up care is recommended, we’ll connect you with a top-rated orthopedic specialist near you.