Knee Joint

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Knee joint.png
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: 3ยฐ of hyperextension to 155ยฐ 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