1 — Tibia; 2 — Patellar ligament; 3 — Fibula; 4 — Infrapatellar fat pad; 5 — Fibrous layer; Fibrous membrane; Joint capsule; Articular capsule; 6 — Superior articular surface; 7 — Lateral meniscus; 8 — Head of fibula; 9 — Subpopliteal recess; 10 — Popliteus; Tendon; 11 — Fibular collateral ligament; 12 — Posterior meniscofemoral ligament; 13 — Lateral condyle; 14 — Iliotibial tract; 15 — Quadriceps femoris; Tendon; 16 — Femur; Thigh bone; 17 — Suprapatellar bursa; 18 — Synovial membrane; Synovial layer; Joint capsule; Articular capsule; 19 — Tibial collateral ligament; 20 — Infrapatellar synovial fold; 21 — Medial condyle; 22 — Posterior cruciate ligament; 23 — Anterior cruciate ligament; 24 — Semimembranosus; Tendon; 25 — Medial meniscus; 26 — Alar folds
