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.
What can pain behind the knee be a symptom of? Swelling from knee injuries and ailments produces lump-like appearances on both sides of the knee. For example, the bursa, a sac of fluid that protects and cushions the joints, can become irritated and enlarged, explains WebMD.