Knee Joint

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Sagittal section through the knee joint
Knee Joint
Primary Type	Synovial Joint, Compound Joint
Secondary Type	Hinge Joint, Saddle Joint
Bones	Femur, Patella, Tibia
Feature	Two components - tibiofemoral joint (modified hinge joint) and patellofemoral joint (saddle joint). Intra-capsular popliteus tendon
Ligaments
Muscles
Innervation	Popliteal nerve, tibial nerve
Vasculature	Genicular branches of the popliteal artery
ROM	Mainly sagittal plane: 3° of hyperextension to 155° of flexion
Volume
Conditions	ACL Injury, Acute Knee Pain, Chronic Exertional Compartment Syndrome, Foot Drop, Growing Pains, Hoffa's Fat Pad Pain, Iliotibial Band Syndrome, Knee Osteoarthritis, Leg Cramps, Medial Tibial Stress Syndrome, Meniscal Knee Injuries, Osgood-Schlatter Disease, Osteochondritis Dissecans of the Knee, Paediatric Fractures of the Lower Extremities, Patellar Fracture, Patellar Tendinopathy, Patellofemoral Pain Syndrome, Plica Syndrome, Popliteus Tendinopathy, Prepatellar Bursitis, Quadriceps Tendinopathy, Tibia Fractures