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Our knees keep us active—and upright. They are also involved in profound moments like proposing, getting weak with emotion, or taking a knee to protest. But when they ache, you really feel it.

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Patellofemoral pain syndrome is pain around the kneecap (the patella). It can happen because of over exercising or if muscles are not strong enough. It’s easily treatable and you can strengthen your muscles to help prevent it.
A meniscus tear in the knee means the cartilage that helps absorb shock is damaged. It causes pain and a feeling of catching, popping, or buckling. You need to let it heal or you risk doing permanent damage.
Fortunately, your talkative knees are usually not a cause for concern. But when those clicks, pops, and cracks occur regularly, it may be time for consultation.
The feeling of a loose knee cap is most commonly caused by an injury that has sprained or tore ligaments. A meniscal or anterior cruciate ligament (ACL) injury can also cause knee instability and pain.
The kneecap (patella) is the bone that covers the knee joint. Abnormalities in the support structure of the knee and unusual forces can cause a dislocated kneecap.
Understand your pain in the back of the knee symptoms, including 8 causes & common questions.
A swollen knee is mainly a sign of excess fluid in the knee. Learn about common causes of knee swelling symptoms; including bursitis, gout, arthritis and overuse.
Understand your pop in the knee symptoms, including 9 causes & common questions.
The usual cause for a painless bump on the knee derives from skin conditions like cysts, warts, or abscesses. Other causes for a lump on the knee with no pain include non cancerous skin growths.

Buckling Knee Symptoms, Causes & Common Questions

Understand your buckling knee symptoms, including 8 causes & common questions.
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Dull, Achy Knee Pain Symptoms, Causes & Common Questions

Aching knees can be caused by damage to knee cartilage, ligaments, tendons, or other muscle tissues. The most common cause of achy knee pain include a meniscal injury, patellofemoral pain syndrome, or runner's knee. Read on for more information on causes and treatment options.
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Prepatellar Bursitis

Prepatellar bursitis is an inflammation of a fluid-filled sac (bursa) located in front of the knee that normally acts as a cushion to help reduce friction.
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Knee Tearing Sensation Symptoms, Causes & Common Questions

Understand your knee tearing sensation symptoms, including 5 causes and common questions.
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