Fig. 2
From: Outcomes of surgical treatment of patellar instability in children with Down syndrome
Intraoperative photo of the right knee. (A) A partial–thickness quadriceps tendon graft is harvested, measuring about 8–9 cm long, 10–15 mm wide, and about 2–3 mm thick. The graft is released proximally while remaining intact distally at the anterior surface of the patella. (B) Release of the contracted lateral soft tissues (yellow arrow) to centralize the patella