Spending long hours at your desk may seem harmless, but it could be the hidden cause behind your discomfort. Knee pain from sitting too long is increasingly affecting working professionals, especially those with sedentary jobs. Lack of movement, poor posture, and improper ergonomics contribute significantly to joint strain, particularly around the knees. Understanding the root causes and adopting preventive strategies can make a noticeable difference in your comfort and productivity.
Why Does Sitting Too Long Cause Knee Pain?
When you sit for extended periods, your muscles and joints become stiff, and blood circulation decreases. Over time, this leads to tight hip flexors, weak glutes, and imbalanced pressure on the knees. According to Dr. Vivek Mahajan, a renowned orthopaedic specialist, these muscular imbalances are among the top reasons office workers experience chronic knee pain.
Moreover, improper chair height, lack of lumbar support, and incorrect sitting posture can increase pressure on the kneecaps. The problem becomes worse when combined with lack of physical activity during the day.

Early Signs You Shouldn’t Ignore
Recognizing the early signs of knee pain from sitting too long is essential to prevent more serious joint problems later. Look out for:
- Stiffness when standing up
- Dull aching behind or around the kneecap
- Discomfort after short walks or climbing stairs
- Swelling or mild inflammation around the joint
Dr. Vivek Mahajan emphasizes that catching these signs early can prevent long-term damage and reduce the need for invasive interventions.
Ergonomic Adjustments That Help
One of the simplest and most effective ways to combat knee pain is to improve your desk setup. Here’s how:
- Choose an ergonomic chair for knee pain that supports your thighs and lower back
- Adjust the chair height so that your knees are at a 90-degree angle
- Use a footrest if needed to support proper leg positioning
- Avoid crossing your legs for prolonged periods
Dr. Vivek Mahajan recommends an ergonomic workstation setup for all his patients with desk-related joint complaints. A supportive work environment not only improves productivity but also enhances joint health.
Daily Movement and Office Exercises
Breaking up long sitting periods is crucial. Simple office exercises for knee pain can reduce stiffness and improve circulation:
- Stand up and stretch every 30–60 minutes
- Try seated leg raises to activate your quads
- Perform calf raises while standing at your desk
- Use stairs instead of elevators when possible
Dr. Vivek Mahajan notes that these light exercises, when done consistently, help in keeping the knees flexible and reduce pain caused by static posture.
Long-Term Prevention Strategies
In addition to ergonomic improvements and regular movement, consider these strategies:
- Incorporate anti-inflammatory foods into your diet
- Maintain a healthy weight to reduce pressure on joints
- Stay hydrated to keep joint cartilage lubricated
- Consider consulting a specialist if symptoms persist
If you’re already experiencing knee pain from sitting too long, early intervention can prevent it from becoming a chronic issue. According to Dr. Vivek Mahajan, addressing lifestyle and workplace habits is key to lasting relief.
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Facing knee pain from sitting too long? Consult Dr. Vivek Mahajan for expert guidance.