I Have Patellar Tendinitis and My Knee Hurts When I Play Tennis

If you have patellar tendinitis and your knee hurts when you play tennis, you may feel pain just below your kneecap when chasing a ball, pushing off, or changing direction, making each movement harder to trust.

When you play tennis, your knee has to handle repeated bursts of movement rather than one steady, predictable motion. Every time you accelerate toward a ball, brake to reach a shot, or push off to recover your position, your patellar tendon helps transfer force from your thigh muscles through your knee. If you already have patellar tendinitis, those demands can bring on pain even when your knee feels manageable during ordinary walking.

The tendon may become more sensitive when it is repeatedly asked to handle movements that aggravate it. This does not necessarily mean you have caused a new injury each time your knee hurts, but recurring pain is a sign that the current level of tennis activity may be more than your tendon can comfortably tolerate.

Quick Push-Offs And Hard Stops Bring On Knee Pain

Your patellar tendon works hard whenever you accelerate or suddenly slow down.

During tennis, you repeatedly push into the court to reach a short ball, then put on the brakes to control your next step. These actions make your thigh muscles work hard through the patellar tendon, which can trigger pain below the kneecap when the tendon is already irritated. You may notice it most when you have to react quickly rather than when you move at an easy pace.

The Pain Becomes Harder To Ignore As The Match Continues

Repeated court movements can make each new push-off more uncomfortable.

As a match goes on, your knee keeps repeating the same demanding actions with little time between points for the tendon to settle. You may start out feeling relatively comfortable, then notice the pain becoming more noticeable during later games or when you have to cover the court quickly. As discomfort builds, you may also find yourself hesitating before lunging or changing direction, which can make your usual movement feel less natural.

Why Your Knee Keeps Hurting During Tennis

Your knee has a hard time healing when blood flow and circulation are limited.

Tendons, ligaments, and other soft tissues naturally receive less blood supply than many other parts of the body. Because of this, they often take longer to heal after repeated stress or injury, leaving you more vulnerable to lingering pain and a cycle of reinjury.

When circulation through the area remains limited, injured tissues have a harder time receiving the vital oxygen and nutrients they need to repair and heal. This can leave your knee feeling stiff, tight, weak, or painful during everyday movement and activity.

What Can Help Your Knee Feel Better

Your knee starts feeling better when blood flow and circulation improve.

Chinese herbs have been used for centuries to promote healthy blood flow and circulation. Their medicinal properties help break up stagnant blood and fluids that remain trapped around injured tissues, interfering with circulation. As circulation improves, blood flows more freely through the area, allowing those tissues to receive the oxygen and nutrients they need to heal properly.

Topical herbal remedies made with these Chinese herbs can help relieve pain while improving blood flow and circulation to injured tissues. The right product depends on your symptoms and whether you're in the acute or chronic stage of recovery.

If you have pain, swelling, inflammation, or bruising, Acute Sinew Liniment helps relieve these symptoms by increasing circulation and dispersing stagnant blood and fluids around the injured area to speed recovery. During the acute stage of healing, getting circulation moving early allows injured tissues to receive the fresh blood, oxygen, and nutrients they need to repair and heal.

If your injured area is especially swollen, red, or warm to the touch after a recent injury or flare-up, Sinew Herbal Ice is also used to reduce swelling and inflammation while restoring normal circulation so you can quickly regain range of motion. While traditional ice is commonly used to reduce swelling, Sinew Herbal Ice acts as an ice alternative to reduce swelling and inflammation while also dispersing accumulated blood and fluids to speed the healing process.

If you no longer have swelling or inflammation, but still have pain, stiffness, weakness, or sensitivity in cold and damp weather, Chronic Sinew Liniment helps relieve these symptoms by strongly stimulating circulation and increasing blood supply to injured tendons and ligaments to promote their healing. This is especially important because tendons and ligaments naturally receive less blood supply, which is why chronic injuries can take longer to heal.

If you have residual pain and stiffness, or the area becomes more painful in cold weather, Sinew Injury Poultice is also used to significantly stimulate circulation to injured tendons and ligaments to further promote their healing. By strongly increasing circulation, it counteracts the reduced blood flow caused by cold weather that commonly aggravates chronic tendon and ligament injuries.

If you exercise, play sports, or do other strenuous activities, Sinew Sports Massage Oil warms and stimulates muscles for exertion and relieves muscle tightness and soreness after activity. Warming and preparing your muscles before activity can improve flexibility, enhance performance, and reduce the risk of injury.

Frequently Asked Questions

You may also find these commonly asked questions helpful.

Why does my knee hurt when I play tennis with patellar tendinitis?

Your patellar tendon helps your knee handle the repeated push-offs, lunges, and sudden stops involved in tennis. When the tendon is irritated, these movements can trigger pain below your kneecap.

Should I keep playing tennis if my patellar tendon hurts?

Avoid pushing through pain that worsens as you play or changes how you move. Reduce or pause aggravating activity and seek professional guidance if symptoms persist.

Why does my knee hurt more toward the end of a tennis match?

Repeated running, braking, and pushing off can make an already sensitive patellar tendon increasingly painful as the match continues.

Can patellar tendinitis cause pain when I lunge for a tennis ball?

Yes. Lunging places substantial demands on the muscles and patellar tendon around your knee, which can aggravate pain below the kneecap.

When should I get my knee checked for patellar tendinitis?

Seek professional assessment if the pain persists, worsens, or limits your tennis or everyday activities. Sudden severe pain, major swelling, or difficulty bearing weight warrants prompt medical attention.

The information provided here is intended to help you better understand your symptoms and recovery, but it is not a substitute for professional medical advice, diagnosis, or treatment.

Persistent, severe, or worsening symptoms should be evaluated by a qualified healthcare professional.