What Is the Pain Behind My Knee?

Knee pain is an issue many people deal with, and for good reason. Our knees work hard every day, from walking to sitting to bending. When pain appears behind the knee, particularly pain behind the knee when bending or pain behind the knee when walking, it can affect your ability to move freely and comfortably. In this blog, INTEGRIS Health explores the possible causes, symptoms and treatment options to help you address and manage this discomfort effectively.

We speak to Gerardo Myrin, M.D., a board-certified, fellowship-trained orthopedic surgeon with INTEGRIS Health Medical Group Orthopedics Central, to learn more. 

“It’s fairly straightforward to find the various causes of pain in the knee and hip joints,” Myrin says. “If you’re experiencing symptoms, the best step is to schedule a consultation with a provider at INTEGRIS Health Orthopedics and let us help.” 

Understanding the anatomy of the knee

What to know: The knee is more than just a hinge joint. It’s a complex system designed for movement and stability. It connects the thighbone (femur), shinbone (tibia) and kneecap (patella). Several structural elements, including cartilage, ligaments and tendons, work together to support this movement.

The back of the knee, known as the popliteal area, is particularly vulnerable to pain because it’s made up of a dense network of muscles, tendons and nerves. Even small injuries can lead to significant discomfort here.

Common causes of pain behind the knee

Muscle and tendon injuries are common and can significantly impact mobility and daily activities.

• Hamstring tendonitis or strains can happen when the tendons that attach the hamstring muscles to the knee become inflamed or injured.
• Calf strains often result from overstretching or excessive use during physical activity.
• Tendonitis is another common cause and often occurs from repetitive stress on tendons, leading to irritation and discomfort.

Structural damage to the bone, muscle or cartilage can cause serious pain.

• Meniscus tears involve damage to the cartilage cushioning the knee joint and are typically caused by twisting or other high-impact movements.
• Hyperextension injuries can stretch or tear ligaments at the back of the knee, leading to pain and instability.

Fluid-related issues can cause significant discomfort and may be a sign of other, more serious problems.

• A Baker's cyst is a fluid-filled swelling that forms at the back of the knee, often causing pressure and pain during activities like walking or bending.
• Arthritis, specifically osteoarthritis or rheumatoid arthritis, can lead to fluid buildup and inflammation, exacerbating knee pain.

Circulatory problems can lead to knee pain, making it an indicator of other underlying health conditions.

• Deep vein thrombosis (DVT), a blood clot that forms in the veins, can cause swelling, warmth and severe pain behind the knee. DVT demands immediate medical attention to avoid complications.

Other potential causes could include a variety of factors that contribute to the issue at hand.

• Issues such as ligament sprains, nerve compression or even infections might contribute to pain at the back of the knee. Proper diagnosis is key to managing these conditions.

Symptoms and warning signs

The symptoms of pain behind the knee might sound obvious. Pain can manifest in many different ways, though. It can feel different depending on the cause and the person.

• Walking or bending pain often points to an overuse injury or structural damage.
• Swelling and stiffness may indicate fluid buildup or inflammation.
• Numbness or instability might suggest nerve compression or ligament involvement.

Diagnosing pain behind the knee

Diagnosing knee pain involves a mix of methods. Identifying the root cause is essential to determining the best course of treatment.

• Physical exams help assess flexibility, strength and range of motion.
• Imaging tests like X-rays or MRIs provide detailed visuals of structural issues or injuries.
• Patient history is crucial for narrowing down the possible causes based on symptoms and activity levels.

Treatment options for pain behind the knee

Self-care for minor issues can help address everyday challenges and promote overall well-being.

• RICE method (Rest, Ice, Compression and Elevation) can reduce swelling and pain caused by minor injuries.
• Over-the-counter medications are sometimes the perfect way to reduce inflammation and manage pain.

Physical therapy is an essential practice for improving mobility and recovery.

• Targeted exercises strengthen the knee and surrounding muscles to improve mobility and stability.
• Manual therapy techniques, including massage and joint mobilization, can help relieve stiffness and improve function.

Medical interventions are essential in addressing various health conditions and improving patient outcomes.

• Corticosteroid injections are used to reduce inflammation in cases of persistent or severe pain.
• Surgical options may become necessary for conditions such as torn ligaments or meniscus injuries.

Lifestyle adjustments can greatly improve overall well-being and quality of life.

• Weight management helps reduce the strain placed on your knees, easing symptoms over time.
• Small modifications like using supportive aids (such as braces) or adjusting physical activities can provide relief and prevent further injury.

Preventing pain behind the knee

Steps you can take: While there are no ways to guarantee you won't develop knee pain, there are some steps you can take to reduce the likelihood of specific injuries.

• Avoid overuse injuries by warming up properly and ensuring your equipment (like shoes) is appropriate and supportive.
• Strength training and stretching improve muscle balance around the knee, lowering the risk of strains or injuries.
• Addressing minor pain early prevents it from becoming a chronic issue.

When to seek professional help

Takeaways: It’s crucial to know when to call in the experts at INTEGRIS Health Orthopedics. Persistent pain, knees that "lock" and visible signs of infection should not go unchecked. We have a network of specialists ready to help you find the root cause of your knee pain and create a treatment plan to address it.

Moving toward a pain-free life

Pain behind the knee can slow you down, but it doesn’t have to define your day. Understanding the symptoms, getting the right diagnosis and exploring tailored treatments can lead you back to a more comfortable and active lifestyle. If you’re dealing with pain behind the knee that’s limiting your mobility or quality of life, reach out to INTEGRIS Health to schedule a consultation and take the first step toward relief.

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