Pes Anserine Bursitis

Pes anserine bursitis occurs when the small, fluid-filled cushion (bursa) located on the inner side of the knee becomes irritated and inflamed. This bursa sits between the shin bone and the tendons of three muscles that help stabilize and move the knee. Pes anserine bursitis is more common in individuals with knee osteoarthritis, those who are overweight, people with diabetes, and women. It is also seen more frequently in athletes involved in activities that place repetitive stress on the inner knee, such as sports with rapid side-to-side movements or breaststroke swimming.

Symptoms often include localized pain, tenderness, or swelling along the inner knee that worsens with weight-bearing activities such as walking, climbing stairs, or standing for long periods. At Trenton Integrative Health Centre, care focuses on addressing contributing movement patterns, reducing irritation, and supporting recovery through conservative, non-invasive treatment.

Understanding Pes Anserine Bursitis

When inner knee pain makes everyday movement uncomfortable

Pain along the inner side of the knee can be frustrating—especially when it flares up during walking, standing, or climbing stairs. Pes anserine bursitis is a common but often overlooked source of this type of knee discomfort and tends to develop gradually rather than after a single injury.

At Trenton Integrative Health Centre, assessment looks beyond the knee itself to understand how movement patterns, body mechanics, and daily activities may be contributing to irritation in this sensitive area.

What Is Pes Anserine Bursitis?

Pes anserine bursitis involves inflammation of a small bursa located on the inner side of the knee, just below the joint line. This bursa helps reduce friction between the shin bone and the tendons of three muscles that cross the knee and assist with stability and movement.

When repetitive stress, altered mechanics, or increased load irritate this area, the bursa can become inflamed and painful.

Common Symptoms

Symptoms may include:

• Pain or tenderness along the inner knee
• Localized swelling or sensitivity to touch
• Discomfort that worsens with walking, stair climbing, or standing
• Pain during activities that load the knee, such as squatting or rising from a chair

Symptoms are often activity-related and may ease with rest, only to return when normal activity resumes.

Why Does Pes Anserine Bursitis Develop?

Several factors can increase strain on the inner knee and contribute to pes anserine bursitis, including:

• Knee osteoarthritis
• Repetitive stress from certain sports or activities
• Flat feet or altered foot mechanics
• Excess body weight increasing joint load
• Muscle imbalances or movement inefficiencies

Often, it is a combination of these factors rather than a single cause.

How Pes Anserine Bursitis Is Managed at TIHC

Care at Trenton Integrative Health Centre focuses on reducing irritation while addressing the underlying contributors to knee stress. Management may include:

• Hands-on therapies to improve tissue mobility and reduce discomfort
• Exercises aimed at improving strength, flexibility, and movement control
• Education around activity modification and load management
• Guidance related to footwear and lower-limb support when appropriate

The goal is to calm symptoms while supporting long-term knee health and function.

Supporting Your Recovery

You may be encouraged to:

• Use short periods of ice or ice massage at home to help settle irritation
• Wear supportive footwear and consider arch supports if you have fallen arches
• Temporarily modify activities that aggravate knee pain
• Gradually return to activity as symptoms improve
• Follow your prescribed exercise program consistently

Addressing contributing factors such as body weight and movement habits can significantly improve outcomes.

What to Expect

Most people with pes anserine bursitis respond well to conservative care when contributing stresses are identified and addressed. Improvement is often gradual, with reduced pain during daily activities and better tolerance for movement over time.