Knee Anatomy Video

By Andrew Heideman PT/ATC

Knee Anatomy Video

If you would like to learn more about the anatomy of the knee, please watch this KNEE ANATOMY VIDEO.

The knee is a complex joint that flexes, extends, and twists slightly from side to side. The knee is the meeting point of the femur in the upper leg and the tibia in the lower leg. The fibula, the other bone in the lower leg, is connected to the knee joint. However, it is not directly affected by the hinge joint action. To learn more about fractures to the tibia and fibula, please go to: Tibia and Fibular Fractures. Another bone, the patella, is at the center of the knee.

Two concave pads of cartilage called menisci minimize the friction created at the meeting of the ends of the tibia and femur. There are also several key ligaments, a type of fibrous connective tissue, that connect these bones.

The 4 Key Ligaments of the Knee are:

Anterior cruciate ligament (ACL)
Medial collateral ligament (MCL)
Lateral collateral ligament (LCL)
Posterior cruciate ligament (PCL)

Knee Anatomy and Ligaments

Image of The Anatomy of the Knee

Knee Tendons

There are several tendons in the knee. Tendons are defined as where the muscle attaches to bone. The main tendons of the knee are the patellar tendons. The suprapatellar tendon is where the quad attaches to the top of the patella. The infrapatellar tendon is where it attaches to the bottom of the patella or knee cap.

Knee Anatomy

Knee Tendon Anatomy

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Related Articles: Knee Anatomy  and Anatomy of the Knee.

JOI Fracture and Injury Care

JOI Physicians are currently offering ASAP Fracture and Acute Care. Make an appointment by calling (904)JOI-2000.  This is a new option for patients who would like to avoid the emergency room if they have suffered a fracture or soft tissue injury. To learn more about this service, read this article about fracture and injury care.

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