The popliteal fossa

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Anatomy of popliteal fossa.

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The popliteal fossa

  1. 1. The distal continuation of the adductor canal
  2. 2. The popliteal fossa. (a) Superficial dissection. (b) Deep dissection.
  3. 3.  superolaterally—biceps tendon;  superomedially—semimembranosus reinforced by semitendinosus;  inferomedially and inferolaterally — the medial and lateral heads of gastrocnemius.  Roof : fascia lata which is pierced by the small saphenous vein as this enters the popliteal vein & posterior femoral cutaneous nerve.
  4. 4. from above down, is formed by: 1. Popliteal surface of the femur; 2. Capsule of the knee joint; 3. Oblique popliteal ligament; 4. Popliteus muscle covering the upper posterior surface of the tibia.
  5. 5. 1. The common peroneal nerve passes out of the fossa along the medial border of the biceps tendon; 2. The tibial nerve is first lateral to the popliteal vessels and then crosses superficially to these vessels to lie on their medial side. 3. The popliteal vein lies immediately superficial to the artery; 4. The popliteal artery itself lies deepest of all in the fossa. 5. Fat 6. Popliteal lymph nodes.

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