Knee tendonitis is the following situation: the knee tendons become inflamed or swollen, causing knee discomfort or pain. The knee tendonitis usually affects the knee's interior tendons.
The common symptoms include: knee pain, knee stiffness, knee swelling, knee moving difficulty, walking pain. The tendon sheaths may also be inflamed or swollen, causing severe pain.
Knee overuse is the main cause. Other causes may include: obesity, aging, basketball, football, running sports, tennis, skiing and other sports. The following methods are usually used to treat knee tendonitis: resting, ice compression, leg elevation, physical therapy, cortisone injection or surgery.