Superior genicular arteries

Illustration of the Superior genicular arteries. Source: Wikimedia Commons

The Superior genicular arteries are a pair of blood vessels that supply the knee joint. They are branches of the popliteal artery, which is a continuation of the femoral artery. The superior genicular arteries are divided into two types: the lateral superior genicular artery and the medial superior genicular artery.

Anatomy

Lateral Superior Genicular Artery

The Lateral Superior Genicular Artery arises from the popliteal artery, just above the level of the knee joint. It travels laterally around the femur, supplying blood to the vastus lateralis muscle and the knee joint.

Medial Superior Genicular Artery

The Medial Superior Genicular Artery also arises from the popliteal artery, but it travels medially around the femur. It supplies blood to the vastus medialis muscle and the knee joint.

Function

The primary function of the superior genicular arteries is to supply blood to the knee joint and the surrounding muscles. They also play a role in the circulation of blood in the lower limb.

Clinical Significance

Damage to the superior genicular arteries can lead to ischemia or lack of blood supply to the knee joint, which can cause pain and potentially lead to tissue death. Therefore, maintaining the health of these arteries is crucial for the overall health of the knee joint.

See Also

• Inferior genicular arteries
• Popliteal artery
• Femoral artery