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The bones of the popliteal fossa are the femur and the tibia. Like other flexion surfaces of large joints ( groin , armpit , cubital fossa and essentially the anterior part of the neck ), it is an area where blood vessels and nerves pass relatively superficially, and with an increased number of lymph nodes .
The common fibular nerve is the smaller terminal branch of the sciatic nerve. The common fibular nerve has root values of L4, L5, S1, and S2. It arises from the superior angle of the popliteal fossa and extends to the lateral angle of the popliteal fossa, along the medial border of the biceps femoris.
These muscles (or their tendons) apart from the short head of the biceps femoris, are commonly known as the hamstrings. The depression at the back of the knee, or kneepit is the popliteal fossa, colloquially called the ham. The tendons of the above muscles can be felt as prominent cords on both sides of the fossa—the biceps femoris tendon on ...
The tibial nerve is the larger terminal branch of the sciatic nerve with root values of L4, L5, S1, S2, and S3. It lies superficial (or posterior) to the popliteal vessels, extending from the superior angle to the inferior angle of the popliteal fossa, crossing the popliteal vessels from lateral to medial side.
On the back of the knee the popliteal artery runs through the popliteal fossa to the popliteal muscle where it divides into anterior and posterior tibial arteries. [ 43 ] In the lower leg, the anterior tibial enters the extensor compartment near the upper border of the interosseus membrane to descend between the tibialis anterior and the ...
Baker's cysts arise between the tendons of the medial head of the gastrocnemius and the semimembranosus muscles. They are posterior to the medial femoral condyle. The synovial sac of the knee joint can, under certain circumstances, produce a posterior bulge, into the popliteal space, the space behind the knee. When this bulge becomes large ...
The popliteus muscle originates from the lateral surface of the lateral condyle of the femur by a rounded tendon. [1] Its fibers pass downward and medially. It inserts onto the posterior surface of tibia, above the soleal line. [1] The popliteus tendon runs beneath the lateral collateral ligament and tendon of biceps femoris.
The oblique popliteal ligament (posterior ligament) is a broad, flat, fibrous ligament on the posterior knee. [1] It is an extension of the tendon of the semimembranosus muscle. [1] [2] It attaches onto the intercondylar fossa and lateral condyle of the femur. [2] It reinforces the posterior central portion of the knee joint capsule. [3]