Conclusion

PCL injuries, although less common than ACL injuries, may be seen in variety of clinical settings. These can usually be diagnosed by the skilled physician through a thorough physical examination and confirmatory radiographic studies. Low-grade, isolated PCL injuries are usually treated nonoperatively with acceptable outcomes. Recent studies, however, suggest that chronic PCL deficiency may lead to progressive joint degeneration and arthritis. Multiple surgical options exist for reconstruction of the PCL, although there is little evidence to date demonstrating that PCL reconstruction significantly alters this natural history. Further research is needed to evaluate surgical techniques and treatment controversies.

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19. Gill TJ, DeFrate LE, Wang C, et al: The effect of posterior cruciate ligament reconstruction on patellofemoral contact pressures in the knee joint under simulated muscle loads. Am J Sports Med 2004;32:109-115.

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Medial Collateral Ligament

Matthew Alan Rappé and Peter Indelicato

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