In pregnancy, ballottement is a "probable sign" used to detect the fetus as it floats in amniotic fluid.
Suspected knee trauma, arthritis flare-up, or unexplained swelling. Technique: ballottement
The patient lies flat (supine) with the leg fully extended and relaxed. In pregnancy, ballottement is a "probable sign" used
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. click against the femur
This is the most frequent use of the term. It is used to identify a "floating" kneecap, which indicates a moderate-to-large accumulation of fluid (effusion) within the knee joint.