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Patellar Tendinitis Explained: From Overuse to Healing

by | April 27, 2025

Patellar tendinitis develops when the tendon connecting the kneecap to the shinbone becomes irritated or inflamed and is often referred to as “jumper’s knee”. While it’s frustrating, the good news is that patellar tendinitis isn’t a career-ending injury. With the right approach, including proper care and prevention strategies, you can not only recover but also reduce your risk of future flare-ups.

What is Patellar Tendinitis?

Patellar tendinitis, often referred to as “Jumper’s Knee,” is a common overuse injury that affects the tendon connecting your kneecap (patella) to your shinbone (tibia). [It is also commonly misspelled as patellar tendonitis and this misspelling will be used throughout this article so people can find this article.] This tendon plays a crucial role in helping you perform activities that involve jumping, running, or any movement requiring the extension of your knee. When this tendon becomes irritated or inflamed, it can lead to pain, stiffness, and reduced mobility, making many activities feel surprisingly difficult.

While the name “Jumper’s Knee” reflects its prevalence in sports involving jumping, it’s not limited to these athletes. Runners, cyclists, and even recreational gym-goers can experience patellar tendinitis. Surprisingly, even individuals with less physically demanding lifestyles aren’t immune; improper movement patterns or prolonged periods of stress on the knee joint can also cause irritation of the patellar tendon.

Causes of Patellar Tendinitis

Patellar tendinitis often starts with overuse. Athletes in high-impact sports, like basketball, volleyball, and running, constantly push their knees to the limit with frequent jumping, sprinting, or abrupt landings. These high-impact activities repeatedly stress the patellar tendon, creating microtears. Over time, without adequate recovery, these tiny injuries compound, leading to inflammation and pain.

Patellar Tendinitis or Runner's Knee AKA Patellar Tendonitis

Poor biomechanics and muscle imbalances can contribute to patellar tendinitis because of the complex interplay of muscles, joints, and tendons. Sometimes, the root cause of patellar tendonitis isn’t just about physical movement or training frequency. External factors like improper footwear can significantly contribute, as shoes without proper arch support or cushioning alter your stride and increase impact forces on the knees. Overtraining, common among athletes driven to perform at their best, is another key factor. When muscles and tendons are repeatedly pushed to their limits without sufficient recovery time, they become more prone to injury. Tendons do not recover as fast as muscles do because they do not have a great blood supply. This means that muscles will get stronger faster than the tendons do, so tendons need more time to recover.

Symptoms and How to Recognize Jumper’s Knee

Patellar tendinitis often presents with a distinctive set of symptoms, making it relatively easy to identify if you know what to look for. The most common sign is pain localized just below the kneecap, where the patellar tendon attaches to the shinbone. This pain may feel sharp during activities like running, jumping, or climbing stairs, and it can linger as a dull ache afterward. Other symptoms include stiffness in the knee, particularly first thing in the morning or after periods of inactivity. Swelling around the knee is also common, as the irritated tendon can cause localized inflammation. You might find it difficult to bend or fully extend your knee, making everyday movements or athletic performance more challenging.

If ignored, these symptoms can escalate, limiting your ability to engage in physical activities that were once effortless. But recognizing these signs early can be the first step toward effective treatment. Chiropractors can help pinpoint the source of these symptoms, offering non-invasive evaluations to assess the degree of irritation or inflammation in the tendon.

How Symptoms Progress

Patellar tendinitis doesn’t usually emerge overnight. Instead, it follows a gradual progression, which makes early recognition key. Initially, you might notice a mild discomfort in your knee that flares up only during specific activities, such as sprinting or landing from a jump. This early phase is often referred to as “reactive tendinitis,” where the tendon is irritated but not yet significantly damaged.

If left unaddressed, Jumper’s Knee can worsen into what’s called “tendon degeneration.” At this stage, the pain becomes more constant, persisting even during rest. Movements that were once easy, like kneeling or squatting, may now trigger a sharp, restrictive pain. Athletes with advanced cases may even experience weakness in the affected leg, compromising their performance and increasing their risk of further injury.

This progression highlights the importance of timely intervention. Chiropractors are uniquely equipped to detect and address early-stage symptoms of patellar tendonitis, using techniques such as functional movement analysis and soft tissue therapy to prevent long-term damage. 777

Diagnosing Patellar Tendinitis

The first step in diagnosing patellar tendonitis is a thorough physical examination, during which a healthcare provider, such as a sports chiropractor or physician, carefully evaluates your knee. This process typically begins with a detailed discussion about your symptoms, activity level, and training habits. Specific questions will focus on when the pain occurs, what activities provoke it, and its overall impact on your mobility and performance.

Next, the provider will assess the affected knee by gently palpating the area just below the kneecap to identify tender spots along the patellar tendon. They’ll also check for swelling, stiffness, or warmth, which are signs of inflammation. Another critical component is evaluating the range of motion to determine how well the knee bends and extends, as any restrictions may point to tendon irritation or related issues.

During the exam, chiropractors go a step further by analyzing your overall biomechanics. They may observe how you walk, squat, or perform other movements to identify imbalances or improper mechanics that could contribute to the strain on your patellar tendon. By addressing these underlying factors, chiropractors offer personalized solutions that not only manage the pain of Jumper’s Knee but also prevent future injuries.

While most cases of patellar tendinitis can be diagnosed through a physical exam, there are situations where imaging tools are needed. You cannot see the tendon on x-ray, but it can be useful for checking the alignment of the kneecap and ruling out conditions such as fractures or knee osteoarthritis. Musculoskeletal ultrasound can be helpful to actually see the swelling in the tendon, or see tears and bursitis.

Treatment Options for Jumper’s Knee

One of the most widely recommended treatments for patellar tendinitis is rest. By reducing or temporarily stopping activities that trigger pain, the patellar tendon is given the time it needs to heal. For athletes, this doesn’t mean complete inactivity. Modifying workouts to include low-impact exercises, such as swimming or cycling, can keep you moving while minimizing stress on the tendon. Structured rest periods, guided by a healthcare professional, help ensure that healing occurs without losing overall conditioning.

When patellar tendonitis flares up, NSAIDs (non-steroidal anti-inflammatory drugs) like ibuprofen can be used for short-term pain relief and to reduce inflammation. However, it’s important to view these medications as a temporary solution rather than a cure. Masking the pain without addressing the underlying causes can worsen the condition over time.

Graston Technique for Patellar Tendinitis or Runner's Knee AKA Patellar Tendonitis

Soft tissue therapies, such as the Graston Technique, can directly address the tendon injury and help to alleviate tension in muscles surrounding the knee. These therapies help break down scar tissue, improve circulation, and enhance tendon healing.

Proper joint alignment plays a critical role in reducing unnecessary stress on the patellar tendon. Chiropractors use precise adjustments to improve the mechanics of the knee and surrounding joints, such as the hips and ankles. For example, if a misalignment in the pelvis leads to uneven weight distribution during activities like running, adjustments can correct this issue. Improved alignment ensures your body moves as a cohesive unit, minimizing wear on the tendon and supporting long-term function.

Corrective Exercises for Patellar Tendinitis or Runner's Knee AKA Patellar Tendonitis

Strengthening the muscles that support the knee includes targeted corrective exercises and stretches aimed at restoring balance. Strengthening weak glutes and hamstrings for instance, can reduce the direct burden placed on the patellar tendon.

Advanced modalities like cold laser therapy are used to promote tissue repair and reduce inflammation at a cellular level. Many active individuals have found this painless, drug-free therapy to be an effective addition to their recovery plan from Jumper’s Knee, speeding up the healing process while allowing them to maintain some level of activity.

Kinesio taping can reduce pain and strain to the knee during physical activity by providing extra support. Nutrition counseling can also play a role as anti-inflammatory foods or supplements can foster an environment within the body that is conducive to healing.

Kinesio Tape for Patellar Tendinitis or Runner's Knee AKA Patellar Tendonitis

When Surgery Might Be Needed

While most cases of patellar tendonitis can be successfully treated through conservative methods, there are rare instances where surgery might be necessary. This typically happens when the tendon has significant damage or when symptoms fail to improve after diligent adherence to non-invasive treatments. Surgical options often involve debriding damaged tissue or repairing extensive tears, and they usually require a lengthy recovery period. Fortunately, surgery is considered a last resort.

Preventing Patellar Tendinitis

Warm-Up and Stretching:

The foundation for preventing patellar tendonitis starts with an effective warm-up. Preparing your knees and surrounding muscles for activity minimizes the risk of stress and strain on the patellar tendon. Incorporate 5-10 minutes of light cardio, such as brisk walking or cycling, to increase blood flow and loosen up your joints.

Dynamic stretches are especially valuable for runners and athletes. Movements like walking lunges, leg swings, and butt kicks not only activate key muscle groups but also improve flexibility. Post-workout, prioritize static stretches to maintain long-term muscle flexibility. Focus on areas like the quadriceps, hamstrings, and calves, which directly influence knee health.

Strengthening Key Muscle Groups

Strong muscles surrounding the knee help distribute the workload during physical activity, reducing undue stress on the patellar tendon. Imbalances, such as overly dominant quadriceps or weak hamstrings and glutes, can create additional strain, putting you at greater risk for tendinitis. A balanced strengthening program is essential to prevent these issues.

Key exercises include squats, deadlifts, and step-ups, which target the quadriceps and hamstrings simultaneously. Glute bridges and side-lying leg lifts are excellent for building hip and glute strength , which stabilizes the knee joint. Incorporating single-leg exercises like Bulgarian split squats can improve both strength and balance, which are vital for safe, effective movement. Chiropractors often assess muscle imbalances and prescribe rehabilitation exercises that address your specific weaknesses, helping you build a strong and resilient foundation.

Proper Recovery

Recovery is as important as the activity itself when it comes to preventing injuries like patellar tendinitis. Overloading your body without giving it time to rest and repair can lead to chronic inflammation and tendon fatigue. Scheduling rest days in your training routine is crucial, allowing your muscles and tendons to recover properly.

Hydration also plays a significant role in recovery. Dehydrated muscles are more prone to stiffness and strain, so ensure you’re drinking enough water before, during, and after exercise. Additionally, post-activity care, such as icing the knees or using a foam roller to release tight muscles, can help alleviate inflammation and promote faster recovery. Chiropractors can support your recovery plan by recommending effective recovery strategies and incorporating soft tissue therapies to keep your body functioning optimally.

Footwear and Orthotics

Your footwear is a silent partner in your athletic performance and knee health. Proper shoes with adequate arch support, cushioning, and shock absorption can significantly reduce the stress placed on your patellar tendon during high-impact activities like running and jumping. Footwear should align with your specific needs, whether you have flat feet, a high arch, or a neutral foot shape.

Custom orthotics add another layer of protection by addressing biomechanical issues that could otherwise lead to knee injuries. By promoting better alignment and reducing abnormal stress on the patellar tendon, orthotics enhance your overall comfort and athletic efficiency. Chiropractors can assess your gait and foot mechanics to recommend the best footwear or create custom orthotics designed for your unique physiology.

Preventing patellar tendonitis isn’t just about avoiding discomfort—it’s about maintaining your ability to enjoy the activities you love. By incorporating structured warm-ups, balanced strength training, proper recovery habits, and supportive footwear into your routine, you can protect your knees from unnecessary strain. Chiropractors serve as valuable allies in this process, providing personalized guidance and care to help you move confidently and stay injury-free.

Patellar Tendinitis or Runner's Knee AKA Patellar Tendonitis

Why Choose Chiropractic Care for Patellar Tendinitis?

Chiropractic care offers a personalized and non-invasive solution for managing patellar tendonitis effectively. Unlike conventional approaches that focus on symptoms, chiropractors aim to address the root causes, such as muscle imbalances, poor alignment, or biomechanical issues, which often contribute to tendon strain. This holistic method provides lasting relief while reducing the risk of future injuries.

Treatment plans for Jumper’s Knee are custom-tailored to each individual, incorporating therapies like soft tissue work, adjustments to improve joint mechanics, and exercises to strengthen the surrounding muscles. These non-invasive techniques promote natural healing and help active individuals recover quickly, all while optimizing long-term knee health.

Don’t wait for knee pain to derail your lifestyle. Schedule an appointment with a chiropractor today to identify the underlying causes of your discomfort and begin a treatment plan designed just for you. With chiropractic care, you can regain strength, prevent re-injury, and keep doing what you love, pain-free.

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