Ballottement -

While maintaining pressure with the first hand, use the index finger of the other hand to sharply push the patella downward toward the femur (thigh bone). Findings:

In pregnancy, ballottement is a "probable sign" used to detect the fetus as it floats in amniotic fluid. ballottement

Use one hand to firmly stroke downward from the mid-thigh toward the kneecap. This "milks" fluid out of the suprapatellar pouch and into the space behind the patella. While maintaining pressure with the first hand, use