Patient Positioning
Patient supine, leg may be in slight external rotation.
Probe Positioning
Place the transducer on oblique longitudinal planes over the femoral neck and head. Lower ultrasonic frequencies may be necessary.
ASL: anterosuperior labrum
Note: Check the anterior synovial recess for effusion. The hyperechoic almost triangular structure adjacent to the acetabulum relates to the anterior glenoid labrum (fibrocartilage).