Tags: knee | ligament | research | advance

Knee Ligament: Research Advances Made on How ACL Tears Work

By    |   Thursday, 07 Nov 2013 12:31 PM

Two Belgian knee surgeons have made impressive discoveries about a knee ligament.

The ligament, which the surgeons named the anterolateral ligament (ALL), is located between the muscles and tendons of the human knee, Fox News reported.

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The surgeons, Dr. Steven Claes and Dr. Johan Bellemans of the University Hospitals Leuven, say the ALL is present in 97 percent of human knees and could play an important role when a person twists their knee or changes direction.

The discovery came after years of research involving the dissection of cadaver knees in search of the "pearly, fibrous band," Segond described in their report published in the Journal of Anatomy.

In 1879, French surgeon Paul Segond first proposed the existence of an additional ligament in the knee; however, until know the structure had yet to be properly classified, the Huffington Post noted.

The surgeons also hypothesized that the tissue plays an important role in the tearing of the anterior cruciate ligament, commonly referred to as an ACL tear.

"Given its structure and anatomic location, the ALL is hypothesized to control internal tibial rotation and thus to affect the pivot shift phenomenon, although further studies are needed to investigate its biomechanical function," Bellemans and Claes wrote in the report.

The surgeons hypothesized that damage to the ALL, due to the role it plays in the knee when a person pivots, could be the root cause of an ACL injury. The ACL injury is most common in athletes, particularly among basketball players and skiers.

"I think this is very exciting - there is no doubt they have hit upon a very important anatomical structure," Joel Melton, a consultant knee surgeon at Addenbrooke's Hospital in Cambridge, U.K., told the BBC. "I think this is very exciting - there is no doubt they have hit upon a very important anatomical structure."

As hopeful as physicians are that the findings will help improve current ACL tear treatments, the Belgian surgeons warn that years of research is still required to confirm their hypothesis.

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Two Belgian knee surgeons have made impressive discoveries about a knee ligament. The ligament, which the surgeons named the anterolateral ligament (ALL), is located between the muscles and tendons of the human knee, Fox News reported.
knee,ligament,research,advance
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2013-31-07
Thursday, 07 Nov 2013 12:31 PM
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