Description
In previous arthroscopic studies, anatomic variations of the laxity of the annular ligament were found to involve more chondral lesions. Also was found less tension in the ligament in supination, which differs from the published literature.
A study was carried out on cadaveric specimens, measuring with micrometric precision the displacement of the annular ligament in a neutral position, supination and pronation applying a traction of 1, 2 and 3 kilograms. The presence of associated chondral lesions and uncovering of the radial head when pulling on the annular ligament was also assessed.
This study concludes that elbows with less annular ligament tension had associated chondral lesions, representing the importance of the annular ligament in elbow stability.
On the other hand, in 21 of the 25 pieces we have found more laxity of the annular ligament in supination, which differs from the published literature and is in the same way than the previous study.
