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.
Common Causes of Behind-Knee Pain. The most likely cause is biceps femoris tendinitis, or inflammation of a hamstring tendon where it connects to the back of the knee. This can lead to pain when you bend the knee against resistance, or stiffness in the morning or after exercise.