Proximal rectus femoris tendon tear
Pelvic pain after taruma.
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Illiacus muscle tearing with hematoma is seen.
Tear of the proximal (conjoined) tendon of the right rectus femoris at its origin with a fluid-filled gap and distal retraction of the tendon and reactive bone marrow edematous changes are seen.
The rectus femoris has two separate origins, the direct or straight head originates from the anterior inferior iliac spine and indirect or reflected head from the superior acetabular ridge and the posterolateral aspect of the hip joint capsule. The two heads form a conjoined tendon.
The rectus femoris is the most commonly injured muscle of the quadriceps muscle group.
Proximal rectus femoris strains can occur at the junction of the conjoint tendon with the muscle belly.