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KNEE JOINT
| Type | Tibiofemoral joint: Synovial hinge joint; uniaxial |
| Patellofemoral joint: Plane joint | Patellofemoral joint: Plane joint |
| Articular surfaces | Tibiofemoral joint: lateral and medial condyles of femur, tibial plateaus |
| Patellofemoral joint: patellar surface of femur, posterior surface of patella | Patellofemoral joint: patellar surface of femur, posterior surface of patella |
| Ligaments and Menisci | Extracapsular ligaments: patellar ligament, medial and lateral patellar retinacula, tibial (medial) collateral ligament, fibular (lateral) collateral ligament, oblique popliteal ligament, arcuate popliteal ligament, anterolateral ligament (ALL) |
| Intracapsular ligaments: anterior cruciate ligament (ACL), posterior cruciate ligament (PCL), medial meniscus, lateral meniscus | |
| Innervation | Femoral nerve (nerve to vastus medialis, saphenous nerve) tibial and common fibular (peroneal) nerves, posterior division of the obturator nerve |
| Blood supply | Genicular branches of lateral circumflex femoral artery, femoral artery, posterior tibial artery, anterior tibial artery and popliteal artery |
| Movements | Extension, flexion, medial rotation, lateral rotation |
Discussion