1 — Patellar ligament; 2 — Infrapatellar fat pad; 3 — Medial patellar retinaculum; 4 — Patella; 5 — Sartorius; 6 — Semimembranosus; 7 — Vastus medialis; 8 — Semitendinosus; 9 — Gracilis; Tendon; 10 — Semimembranosus; Tendon; 11 — Semitendinosus; Tendon; 12 — Pes anserinus;
13 — Gastrocnemius, medial head