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Popliteus

The popliteus (also popliteus muscle, popliteal muscle, latin: musculus popliteus) is a deep muscle of the posterior group of the lower leg located behind the knee joint. It is the smallest and most superior muscle of this muscle group.

Origin

The popliteus originates from the lateral condyle of the femur.

Insertion

The popliteus inserts onto the posterior surface of the tibia proximal to the soleal line.

Action

The main functions of the popliteus are flexion and internal rotation of the knee.

Innervation

The popliteus is innervated by the tibial nerve.