Knee pain is very common and both chronic and acute knee pain can restrict your ability to walk and perform everyday functions. Sitting, standing, climbing stairs, getting in and out of cars, exercising, and many other everyday activities can be affected due to knee pain. Injury, strain, or repetitive motion with poor mechanics may be the cause of knee pain and many symptoms can result from excess swelling forming in the knee joint.The treatment options for knee pain will depend heavily on the condition at the root cause your knee pain along with your symptoms and personal goals.