Joint Preservation Blog

January 22, 2009

ACL Laxity and Knee Braces

acl laxity and knee braces

A doctor discusses ACL Laxity and Knee Braces. The ACL is the duct tape in the knee that holds the big thigh bone (femur) to the leg bone (tibia). It stabilizes (along with the PCL) the knee in a front-back direction. A knee brace can be used to help the ACL. An ACL knee brace allows the knee to flex and extend while holding the thigh and leg bones in alignment. However,is there a better way than wearing a knee brace all the time? Knee surgeries to replace or reconstruct the ACL should only be performed (in my opinion) if the ACL is completely gone. if the ACL is just lax, an older method of treatment is prolotherapy. This is the injection of a substance to tighten the ligament. Reeves has shown that the ligament can be tightened in this way using monthly shots for about 6 months. Newer options already being performed in the US include seeding the patient’s own adult stem cells onto the ACL ligament to repair the damage. This only works if there are ACL fibers left to seed. Eventually, this same technique may be used to inject an ACL scaffold material into the knee with adult stem cells that can create a ligament. So if you have a stretched ACL and you’re using a knee brace for ACL laxity, investigate some of the injections that can help you loose the brace!

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