Presentation
Right hip region pain following twisting during football playing.
Patient Data
complete avulsion of the direct head origin of the right rectus femoris muscle from the anterior inferior iliac spine (AIIS) with a fluid-filled gap associated with distal retraction of the tendon and muscle belly
bone marrow edema/bruise along with right iliac bone AIIS region
edema and fluid signal along with right-sided iliacus muscle
multiple round hypointense bone marrow lesions due to bone islands in both hip joints and pelvic bones (osteopoikilosis)
Case Discussion
The rectus femoris has two separate origins, the straight head originates from the anterior inferior iliac spine and the 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.
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