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 transverse plane in the midline over the quadriceps tendon.
Note: Examine the quadriceps tendon over the whole length on short axis planes. The discrimination of the three layers of the tendon allows to differentiate between full-thickness and partial thickness tears.