Legal Definition of prospective. 1  1 : relating to or effective in the future a statute's prospective effect. 2  2 : likely to come about : expected to happen prospective inability to perform the contract. 3  3 : likely to be or become a prospective buyer.
Bakers Cyst or Popliteal cyst is a localized swelling at the back of the knee. It is usually caused by an injury or condition in the knee joint which will make the back of the knee swell up increasing pressure and causing pain.
Some people complain of a general achy back of knee pain, others find their leg movements may be restricted by swelling or there may be a sharp pain at the back of the knee. Here we will look at the most common causes of pain behind the knee. By thinking about how your pain started, the common symptoms and how your pain behaves, you can work out what is causing your pain.