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.
An injured back may radiate pain behind the knee to the foot. Photo Credit sexy back 3 image by Kelly Kane from <a href='http://www.fotolia.com'>Fotolia.com</a>. An injury to the muscles, joints and bones of the back, hips and knees causes direct pain and can also refer pain among these areas on the body.