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Flexes lateral four digits; plantarflexes ankle; supports longitudinal arches of foot Popliteus muscle: Lateral surface of lateral condyle of femur and lateral meniscus: Animation. Posterior surface of tibia, superior to soleal line
the deep infrapatellar bursa between the upper part of the tibia and the patellar ligament. [2] It allows for movement of the patellar ligament over the tibia. [4] the subcutaneous (or superficial) infrapatellar bursa between the patellar ligament and skin. [2] the pretibial bursa between the tibial tuberosity and the skin. [2]
Pes anserinus tendinitis/bursitis syndrome, or pes anserine bursitis, is a cause of chronic knee pain and weakness. [ 3 ] [ 4 ] It occurs when the medial portion of the knee is inflamed . If the bursa underlying the tendons of the sartorius , gracilis , and semitendinosus gets irritated from overuse or injury, a person can develop this ailment.
The suprapatellar bursa, the largest bursa, extends the joint space anteriorly and proximally. The subpopliteal recess and semimembranosus bursa are located posteriorly and are much smaller; The lateral and medial subtendinous bursae of gastrocnemius are located at the origin of the two heads of the gastrocnemius muscle. Non-communicating bursae:
The popliteus muscle in the leg is used for unlocking the knees when walking, by laterally rotating the femur on the tibia during the closed chain portion of the gait cycle (one with the foot in contact with the ground). In open chain movements (when the involved limb is not in contact with the ground), the popliteus muscle medially rotates the ...
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The knee is a modified hinge joint, a type of synovial joint, which is composed of three functional compartments: the patellofemoral articulation, consisting of the patella, or "kneecap", and the patellar groove on the front of the femur through which it slides; and the medial and lateral tibiofemoral articulations linking the femur, or thigh bone, with the tibia, the main bone of the lower ...
Immediately below its origin is the groove for the tendon of the popliteus. [citation needed]The greater part of its lateral surface is covered by the tendon of the biceps femoris; the tendon, however, divides at its insertion into two parts, which are separated by the ligament.