Anatomy and function of the posterior cruciate ligament.
At the present time, our understanding of the PCL still lags behind that of the ACL. This knowledge gap has narrowed over the past few years, however, as more basic research has shed new light on the complex anatomy and functional mechanical behavior of the PCL and the nearby capsuloligamentous structures. Recent insights have included recognition that the PCL is composed of a fiber continuum rather than morphologically separate bands or bundles, a better appreciation of the predominantly nonisometric behavior of the intact PCL, and a greater awareness of the PCLs importance in preserving normal articular kinematics. Continued advances in the basic science of the PCL are a prerequisite for improvements in the treatment and rehabilitation of its injury.
Department of Orthopaedic Surgery, Naval Hospital, Bremerton, Washington.
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Covey
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Sapega
D001696:Biomechanical Phenomena; D006801:Humans; D009068:Movement; D016119:Posterior Cruciate Ligament / Q000033:anatomy & histology* / Q000502:physiology*