Patellar Tendinopathy (Jumper’s Knee)
Jumper’s knee can cause pain just below the kneecap, difficulty with jumping, running, or climbing stairs, and restrictions in both everyday and sporting activities. Dr Foo offers careful assessment and tailored treatment to help manage symptoms and support long-term recovery.
MBBS (University of London) | MMed (Ortho) | FRCSEd (Ortho) | FAMS (Ortho)


What Is Patellar Tendinopathy (Jumper’s Knee)?

Patellar tendinopathy, also known as jumper’s knee, is a condition where the patellar
tendon becomes painful due to repeated stress and small injuries.
The patellar tendon connects the kneecap (patella) to the shinbone (tibia) and plays an
important role in straightening the knee during running, jumping, and squatting. Over time,
repeated strain on this tendon can lead to microscopic damage and degeneration, causing
pain just below the kneecap.
This condition is common in athletes who take part in jumping or sprinting sports, but it
can also affect non-athletes who engage in repetitive knee-bending activities.
What Causes Patellar Tendinopathy?
Patellar tendinopathy can develop when the patellar tendon is repeatedly strained past its capacity to recover. The main causes include:
- Repetitive jumping and running that put repeated strain on the patellar tendon.
- Sudden increases in training load such as higher intensity, more frequent sessions, or introducing demanding knee exercises without gradual build-up.
- Inadequate recovery between sessions and continuing to train through pain, which prevents proper healing.
- Faulty landing or jumping technique that increases stress on the tendon, such as stiff-knee landings or the knee collapsing inward.
The condition is not usually caused by a single traumatic injury but by gradual overloading of the tendon over time.
What Are the Symptoms of Patellar Tendinopathy?

The main symptom of patellar tendinopathy is pain at the front of the knee, just below the kneecap. This pain typically:
- Appears during or after physical activity, especially jumping, running, or climbing stairs.
- Worsens with movements such as squatting or kneeling.
- Is accompanied by local tenderness or stiffness, particularly after waking or sitting for long periods.
- Improves with rest but often returns if the tendon continues to be stressed.
In more advanced cases, the pain can interfere with everyday tasks and restrict participation in sport. Severe, untreated cases may weaken the tendon and increase the risk of partial or complete tendon rupture.

How Is Patellar Tendinopathy Diagnosed?
Patellar tendinopathy is usually diagnosed through a clinical examination and, if necessary, imaging tests. The diagnostic process may involve:
- Medical history review to understand your symptoms, activities, and any recent changes in training.
- Physical examination of the knee, including pressing on the patellar tendon to reproduce pain and tests such as a single-leg decline squat or resisted knee extension.
- Imaging tests such as ultrasound or MRI to confirm the diagnosis and assess tendon changes, or X-rays to rule out other knee conditions affecting the bone or joint, such as osteoarthritis, fractures, or cartilage injuries.
How Is Patellar Tendinopathy Treated?
Treatment for patellar tendinopathy aims to reduce pain, improve tendon healing, and restore
knee function.
Most people improve with non-surgical approaches, while surgery is considered only when symptoms
persist despite structured rehabilitation and other conservative treatments, or if underlying
structural issues continue to cause tendon irritation.
Treatment | Description & Purpose |
---|---|
Non-Surgical Management | |
Pain Management | Rest, activity reduction, and ice can help relieve discomfort. Oral non-steroidal anti-inflammatory drugs (NSAIDs) may provide short-term pain relief. Corticosteroid injections may be used selectively but are limited due to the risk of tendon weakening. |
Activity Modification | Adjusting or reducing high-impact activities such as jumping or sprinting, with gradual return to sport once symptoms improve. |
Physiotherapy and Exercise Therapy | A structured rehabilitation programme focusing on eccentric or heavy-slow resistance exercises to strengthen the tendon, along with flexibility and muscle balance work to reduce strain on the knee. |
Supportive Devices | Knee straps, taping techniques, or orthotics may help offload the tendon and improve biomechanics during movement. |
Shockwave therapy | A non-invasive option that uses sound waves to stimulate tendon healing and reduce persistent pain. |
Injection Therapies | Platelet-rich plasma (PRP) injections may promote tendon healing, while hyaluronic acid injections (knee gel injections) can help improve tendon lubrication and reduce pain in selected cases. |
Surgical Management | |
Tendon Debridement (Open or Arthroscopy) | Surgical removal of damaged tendon tissue through an open or minimally invasive procedure to stimulate healing. |
Inferior Pole Drilling or Partial Resection | Drilling or limited removal of the lower pole of the patella (the bottom tip of the kneecap) to improve blood flow and reduce tendon irritation. |
Can Patellar Tendinopathy Be Prevented?

Patellar tendinopathy can often be prevented by managing training loads and maintaining good movement technique. Key strategies include:
- Increasing training intensity gradually rather than making sudden changes.
- Including warm-up, stretching, and recovery as regular parts of training.
- Practising proper landing and jumping technique during sport.
- Strengthening muscles such as the quadriceps, hamstrings, calves, and core to support the knee and reduce tendon strain.
- Wearing appropriate footwear and limiting training on very hard surfaces.
When Should You See a Doctor for Jumper’s Knee?
You should see a doctor if knee pain persists for more than a few weeks, interferes with
daily activities, or worsens despite rest. Medical evaluation is also important if you
experience swelling, loss of strength, or difficulty bearing weight. Early intervention can help
prevent the condition from becoming chronic and reduce the risk of tendon rupture.
At Apex Sports Clinic, we carefully assess your condition and provide personalised treatment plans
to help relieve jumper’s knee symptoms and support long-term health.
Every patient deserves a treatment plan tailored to their needs. We start with non-surgical approaches before considering more invasive interventions.
Where to Seek Diagnosis and Treatment for Jumper's Knee?
Apex Novena
admin@apexsportsclinic.sg
101 Irrawaddy Rd, #18-12 Royal Square Medical Centre, Singapore 329565
Nearest MRT: NS20 Novena
Apex East Coast
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112 E Coast Rd, #03-03/04 i12 Katong, Singapore 428802
Nearest MRT: TE26 Marine Parade
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We prioritise personalised, non-invasive solutions, progressing to specialised treatments, including surgery, only when needed for more effective and targeted care.
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Frequently Asked Questions (FAQs)
You may have jumper’s knee if you feel pain just below the kneecap that worsens with jumping, running, or climbing stairs. The pain often eases with rest but returns when the tendon is stressed again, and stiffness or tenderness may appear after sitting or sleeping. A proper diagnosis requires medical assessment and may involve imaging tests. If you are experiencing persistent knee pain, it is advisable to consult a doctor or knee specialist for proper diagnosis and treatment.
Jumper’s knee, or patellar tendinopathy, occurs when the patellar tendon becomes painful from repeated overloading, typically in athletes and adults. Osgood-Schlatter disease is a growth-related condition in adolescents, causing pain and swelling at the shinbone bump where the tendon attaches. While both cause pain at the front of the knee, jumper’s knee affects the tendon itself, whereas Osgood-Schlatter involves the growth plate at the tibial attachment.
Jumper’s knee does not directly affect bone growth because it involves the tendon rather than the growth plate. However, in adolescents, pain from jumper’s knee may temporarily limit participation in sport or training, which can affect physical activity levels. It is important to distinguish jumper’s knee from growth-related knee conditions in younger athletes. If you are unsure about the cause of knee pain in a growing child, it is advisable to consult a doctor.
Patella tendinopathy (jumper’s knee) is usually treated with rest from painful activities, physiotherapy, and structured tendon-loading exercises to restore strength and function. Shockwave therapy, knee supports, or injections such as platelet-rich plasma and cortisone may be considered in persistent cases. Surgery is usually considered for severe or long-standing cases where conservative treatment does not help. It is advisable to consult a doctor or knee specialist to determine the most appropriate treatment.
There is no instant cure for patellar tendinopathy, as tendons heal gradually with consistent rehabilitation. The most reliable way to recover is to reduce painful activities, follow a progressive exercise programme, and allow enough rest between sessions. Additional options such as shockwave therapy or injections such as platelet-rich plasma therapy may be considered for persistent cases. Healing speed depends on the severity of tendon changes. Always follow the advice of your doctor or knee specialist to support proper healing.
Jumper’s knee can improve with rest and a structured recovery plan, but it usually does not heal on its own if the tendon continues to be stressed. Many people return to normal activity with physiotherapy and exercise-based treatment, though some cases may need additional therapies. Without proper care, symptoms can become long-term and, in rare cases, the tendon may tear. If your pain persists, it is advisable to consult a doctor.
Jumper’s knee is usually tested by a doctor through pressing on the patellar tendon to reproduce pain and using a single-leg decline squat, which often triggers symptoms. Resisted knee extension can also highlight discomfort, while imaging such as ultrasound or MRI may confirm tendon changes or rule out other knee conditions. If you are experiencing persistent knee pain, it is advisable to consult a doctor for proper diagnosis.
Squats can help manage jumper’s knee when performed in a controlled rehabilitation programme, particularly eccentric or slow-resistance squats that strengthen the tendon. However, deep or high-load squats may worsen pain if introduced too early. Correct technique, gradual progression, and professional guidance are essential to avoid further strain. Always follow the instructions of your physiotherapist or specialist to support recovery and healing.
Running with patellar tendonitis is possible in mild cases, but continuing to run through significant pain can worsen tendon damage. Adjusting running distance, lowering intensity, and incorporating strengthening exercises may help in some cases. Always follow the instructions of your doctor or specialist to determine whether running is suitable for your condition.
Massage may provide temporary relief for patellar tendonitis by reducing tension in surrounding muscles and improving blood flow, but it does not address the underlying tendon changes. Lasting improvement usually requires structured rehabilitation exercises, load management, and sometimes additional therapies. Massage can be a supportive measure but should not be relied on as the primary treatment. It is best to consult your doctor or specialist on whether massage is suitable for your condition.
Jumper’s knee may be considered serious if pain interferes with daily activities, persists despite rest, or is accompanied by swelling, weakness, or difficulty bearing weight. Severe or chronic cases can increase the risk of tendon degeneration or rupture. If you notice worsening symptoms or functional limitations, it is advisable to consult a doctor or knee specialist promptly for proper assessment and treatment to prevent long-term complications.
If you have jumper’s knee, the patellar tendon can be strengthened with exercises that gradually increase its tolerance to load, such as slow squats or controlled lowering movements. Flexibility and core exercises may also help reduce strain on the knee. Progression should be gradual with correct technique to avoid irritation. Always follow the advice of your physiotherapist or specialist on which exercises are appropriate for your condition.
Patellar tendonitis can be mistaken for other causes of front knee pain, including patellofemoral pain syndrome, Osgood-Schlatter disease in adolescents, meniscal problems, or cartilage injuries. These conditions may share similar symptoms but differ in their underlying causes and treatments. A clinical examination, supported by imaging if needed, helps confirm the diagnosis. If you are experiencing persistent or unclear knee pain, it is advisable to consult a doctor for proper evaluation.
Jumper’s knee is relatively common among athletes in sports with frequent jumping or sprinting, such as basketball, volleyball, and football, but it can also occur in active individuals outside sport. While exact prevalence varies, it is a leading cause of pain at the front of the knee in athletes. The condition is less frequent in the general population, where repeated stress on the tendon is less common.
Yes, jumper’s knee can appear on MRI, which may show tendon thickening, degeneration, or small tears. MRI provides detailed images of the tendon and surrounding tissues, making it useful for assessing severity and ruling out other knee problems. Ultrasound can also detect tendon changes. It is advisable to consult your doctor, who can determine which imaging is most appropriate for your symptoms.
Patellar tendonitis suggests inflammation of the tendon, whereas patellar tendinopathy is a broader term describing tendon degeneration from chronic overload. In most cases, jumper’s knee reflects tendinopathy rather than pure inflammation, with structural changes in the tendon that require progressive rehabilitation rather than only anti-inflammatory treatment.
Walking is often manageable with patellar tendinopathy if kept at a comfortable pace and not extended to the point of worsening pain. Although walking does not directly strengthen the tendon, it may be included as part of overall activity during recovery. It is advisable to consult your physiotherapist or specialist to determine whether walking is suitable for your condition.
A knee brace or patellar strap may help reduce pain by easing strain on the tendon during activity, but it does not treat the underlying issue. These supports are best used together with rehabilitation exercises and activity adjustments. Some people find them helpful during sport or training, while others notice little benefit. It is advisable to consult your doctor or knee specialist to determine whether a knee brace is suitable for your condition.
Patellar tendinopathy is usually managed without surgery through activity modification, physiotherapy, and progressive tendon-loading exercises. Additional approaches such as shockwave therapy, taping, or injection-based treatments such as plasma-rich platelet therapy may be considered in persistent cases. It is advisable to consult your doctor or knee specialist on the most suitable treatment approach for your condition
Helpful exercises for patellar tendonitis include slow, controlled squats and exercises where you lower the knee gradually against resistance, which build tendon strength over time. Stretching and strengthening nearby muscles, such as the thighs and core, can also reduce strain on the knee. The type and progression of exercises should be guided by a physiotherapist or knee specialist to ensure they are suitable for your condition and to avoid making symptoms worse.
Ibuprofen can provide short-term pain relief for patellar tendinopathy, but it does not repair the tendon itself. Because this condition is due to wear and strain rather than ongoing inflammation, recovery usually depends on exercise-based rehabilitation and activity adjustments. Ibuprofen or similar medicines may be used for temporary relief during flare-ups. Always consult or follow the advice of your doctor when taking medication as part of your treatment plan.