The proximal attachment of the rectus femoris (RF) muscle is complex: a direct head (dRF) arise from the anterior–inferior iliac spine (AIIS), and an indirect tendon (iRF) is located at… Click to show full abstract
The proximal attachment of the rectus femoris (RF) muscle is complex: a direct head (dRF) arise from the anterior–inferior iliac spine (AIIS), and an indirect tendon (iRF) is located at the anterolateral hip, arising from the superior acetabular ridge and the posterior coxofemoral capsule. IRF tendinopathies are often ignored on ultrasound (US) examinations due to the difficulty in visualizing its insertion tract. In this pictorial essay, we briefly describe the US technique to visualize the iRF tendon and illustrate pathological findings.
               
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