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.
This test is highly specific for large effusions but may miss smaller amounts of fluid, which are better detected using the Bulge Sign . 2. Obstetric Ballottement 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: Use one hand to firmly stroke downward from
Performed by applying a sharp tap to the abdominal wall to feel the fetus move away and return. 3. Abdominal Ballottement 3. Abdominal Ballottement Suspected knee trauma
Suspected knee trauma, arthritis flare-up, or unexplained swelling. Technique:
The patient lies flat (supine) with the leg fully extended and relaxed.