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.
It's also possible that the problem is actually referred pain, when you have an injury elsewhere, and it's referred to the knee. Pain in the lower back or spine, or another part of the knee, can travel through nerves and be felt behind the knee. Less Common Causes of Behind-Knee Pain. -Popliteus tendonitis is an injury to or inflammation of a small muscle at the back of the knee called the popliteus. -Gastrocnemius tendonitis is an inflammation of a calf muscle tendon that originates at the back of the knee.