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Knee Joint

Knee Joint

The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...

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Posterior Cruciate Ligament Injuries.

M D Miller, C D Harner

The Physician and Sportsmedicine

|July 19, 2016

Summary

This summary is machine-generated.

Posterior cruciate ligament (PCL) injuries result from knee hyperflexion or hyperextension. Acute PCL injuries are managed non-surgically, while chronic or combined injuries typically need surgical reconstruction.

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Area of Science:

Orthopedic Surgery
Sports Medicine
Knee Injuries

Background:

Posterior cruciate ligament (PCL) injuries are common knee trauma.
Mechanism of injury includes hyperflexion or hyperextension with a blow to the knee.
Timely diagnosis is crucial for effective management.

Purpose of the Study:

To summarize the diagnosis and treatment of posterior cruciate ligament (PCL) injuries.
To differentiate management strategies for acute versus chronic PCL injuries.
To highlight the role of physical examination and imaging in PCL injury diagnosis.

Main Methods:

Review of physical examination findings for PCL injuries, including posterior drawer test and posterior sag.
Emphasis on the utility of standard X-rays for diagnosis.
Discussion of conservative and surgical treatment options based on injury chronicity and severity.

Main Results:

Physical findings like posterior drawer test and posterior sag, along with X-rays, are key for diagnosing PCL injuries.
Acute isolated PCL injuries are frequently managed conservatively.
Chronic isolated PCL injuries and combined ligament injuries often necessitate surgical reconstruction.

Conclusions:

Prompt diagnosis of PCL injuries is achievable through specific physical tests and imaging.
Conservative treatment, focusing on exercises, is effective for acute isolated PCL injuries.
Surgical reconstruction remains the standard for chronic or complex PCL injuries.