Patient Positioning
Patient lies supine, knee 20°–30° flexed. Place a small pillow under the joint to keep this position.
Probe Positioning
Place the transducer on a sagittal plane in the midline over the quadriceps tendon and the cranial part of the patella (landmark).
e: effusion
sh: synovial hypertrophy
Note: Synovitis of the knee with effusion in the suprapatellar synovial recess and synovial hypertrophy in a patiet with rheumatoid arthritis