The patient lies flat (supine) with the leg fully extended and relaxed.
In pregnancy, ballottement is a "probable sign" used to detect the fetus as it floats in amniotic fluid. ballottement
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 The patient lies flat (supine) with the leg
The patella is already in contact with the bone; there is no sensation of floating or clicking. Technique: Performed by applying a sharp tap to
Suspected knee trauma, arthritis flare-up, or unexplained swelling. Technique:
Performed by applying a sharp tap to the abdominal wall to feel the fetus move away and return. 3. Abdominal Ballottement
The patella feels like it is "floating." You will feel it move through fluid, click against the femur, and then rebound or "ballotte" back toward your finger.