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.
This includes a tear in a ligament or cartilage of the knee or arthritis. This can cause stiffness in the leg and discomfort. There are often symptoms of swelling and bruising behind the knee. The size of the cyst can determine the range of motion which is caused by the pain.