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In this position, the PCL functions to prevent movement of the tibia in the posterior direction [7] [13] and to prevent the tilting or shifting of the patella. [14] However, the respective laxity of the two sections makes the PCL susceptible to injury during hyperflexion, hyperextension, [15] and in a mechanism known as a dashboard injury. [9]
The PCL is located within the knee joint where it stabilizes the articulating bones, particularly the femur and the tibia, during movement.It originates from the lateral edge of the medial femoral condyle and the roof of the intercondyle notch [2] then stretches, at a posterior and lateral angle, toward the posterior of the tibia just below its articular surface.
Most PLC injuries accompany an ACL or PCL tear, and can contribute to ACL or PCL reconstruction graft failure if not recognized and treated. [ 47 ] [ 48 ] A study by LaPrade et al. in 2007 showed the incidence of posterolateral knee injuries in patients presenting with acute knee injuries and hemarthrosis (blood in the knee joint) was 9.1%.
Chicago Bulls point guard Lonzo Ball had another surgery on his left knee, the third procedure in the last 14 months. Ball underwent a cartilage transplant on March 20. Uncertainty has shrouded ...
grade 2: minor tears of less than one-half the thickness of the cartilage layer; grade 3: lesions have deep crevices of more than one-half the thickness of the cartilage layer; grade 4: the cartilage tear is full thickness and exposes the underlying (subchondral) bone; Doctors will often also measure the size of each defect.
Athletes can often resume full activities within 5 to 7 weeks after an isolated sMCL injury. [4] [5] Postoperative Rehabilitation Postoperative rehabilitation protocols for reconstructed or repaired medial knee injuries focus on protecting the ligaments/grafts, managing swelling, reactivating the quadriceps, and establishing range of motion. A ...
Fracture of the neck of the fibula may also be found, and associated injury to the medial collateral ligament or cruciate ligaments occurs in about 10% of cases. [7] [8] However, most of these fractures occur from motor vehicle accidents or falls. Injury can be due to a fall from height in which knee forced into valgus or varus.
ACL injuries can be categorized into groups- contact and non-contact based on the nature of the injury [6] Contact injuries occur when a person or object come into contact with the knee causing the ligament to tear. However, non-contact tears typically occur during the following movements: decelerating, cutting, or landing from a jump.