US hip proximal rectus femoris in transverse view

This ultrasound scan shows the proximal rectus femoris muscle in the transverse plane (short-axis view).

RF: rectus femoris muscle; SA: sartorius muscle.
Left side of image: lateral; right side of image: medial.

Courtesy of Mederic Hall, MD and Sathish Rajasekaran, MD.

Graphic 106839 Version 1.0