The Anterior Tibial Translocation Sign?
Question:
Answers:
The anterior cruciate ligament is the key guide wire within the knee joint. Injuries to it are fortunately treatable, and early return to athletic performance can be expected. All skiers can and should train to ski. The training improves performance and diminishes cruciate ligament injuries.The physician can determine the integrity of the ACL by conducting special ligament stability tests. One simple but important test is called the Lachmans test. With the knee bent to 30 degrees, the physician gently pulls on the tibia to check the forward motion of the lower leg in relation to the upper leg. A normal knee will have less than two to four mm of forward movement, with a firm stopping felt when no further movement is observed. In contrast, a knee with an ACL tear will have increased forward motion and a soft end feel at the end of the movement. This is because of the loss of restraint of the forward movement of the tibia due to the torn ACL.
Other Answers:
Are you referring to the anterior drawer sign? The active drawer sign is a test used to check whether or not you have torn your ACL (anterior cruiciate ligament) in your knee. The doctor will hold your knee with one hand and try to pull your leg forward. If it moves forward, it is likely that you have torn your ACL. An MRI can confirm this, and surgery can be performed to repair the ligament.
Isn't this the anterior drawer sign used to diagnose a lax ACL (anterior cruciate ligament)? Have the patient lie back on the exam table with knees bent and pull the tibia forward to test its laxity.
Source(s):
Medical school. . .a long, long time ago.
This could also be the Lachman test whereby the knee is flexed 30 with the leg off the side of the table, then the anterior drawer type motion is performed. This combines the anterior drawer with traction to the joint to take maximal slack out of the ligamantous tissues, also avoids the false negative of a torn posterior cruciate causing a posterior starting position for the Anterior Drawer test
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