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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 ...
The popliteus tendon's main attachment is on the femur at the proximal portion of the popliteus sulcus. As the tendon runs posteriorly and distally behind the knee, it gives off 3 fascicles that attach to and stabilize the lateral meniscus. The popliteus tendon provides static and dynamic stabilization to the knee during posterolateral rotation.
Often there are no symptoms. [2] If symptoms do occur these may include swelling and pain behind the knee, or knee stiffness. [1] If the cyst breaks open, pain may significantly increase with swelling of the calf. [1] Rarely complications such as deep vein thrombosis, peripheral neuropathy, ischemia, or compartment syndrome may occur. [2] [3]
Tendinopathy is a type of tendon disorder that results in pain, swelling, and impaired function. [2] The pain is typically worse with movement. [2] It most commonly occurs around the shoulder (rotator cuff tendinitis, biceps tendinitis), elbow (tennis elbow, golfer's elbow), wrist, hip, knee (jumper's knee, popliteus tendinopathy), or ankle (Achilles tendinitis).
A diagnosis of functional PAES is made if symptoms are improved after Botulinum injection. However, If symptoms are persisted, the patient can undergo an additional Botulinum injection or proceed with surgical decompression. [27] The outcome following the surgery is usually favorable. Successful resolution of PAES occurs in 77 percent of cases ...
Popliteal pterygium syndrome (PPS) is an inherited condition affecting the face, limbs, and genitalia. [1] The syndrome goes by a number of names including the popliteal web syndrome and, more inclusively, the facio-genito-popliteal syndrome.
The popliteal fossa (also referred to as hough or kneepit in analogy to the cubital fossa) is a shallow depression located at the back of the knee joint.The bones of the popliteal fossa are the femur and the tibia.
The ligaments are pulled taut when the knee joint is locked in place during standing. When the knee is flexed, it is unlocked by the popliteus muscle through the lateral rotation of femur. [5] The locking mechanisms of hip joint [6] and midtarsal joint [7] [8] are also being investigated in cadavers.