How Does ACL Reconstruction Work?

The ACL or anterior cruciate ligament is one of theother knee. The piece is positioned and then screwed
major ligaments in the knee. Damage to this ligamentinto place. This type of surgery is popular with
often occurs after a blow to the knee. This oftenathletes because it is the fastest way to return the
happens in sports related injuries and is seen a lot inknee to its peak performance. However, it is
American football players after experiencing a sidegenerally very painful.
tackle. Other sports such as soccer, skiing, basketball,The hamstring tendon is similarly locked in place by
cheerleading and rugby also have high instances ofscrewing end loops of a graft from the hamstring to
players suffering ACL injuries. The effects of thisthe tibia and femur. The hamstring is not as strong as
injury are debilitating and can take an extendedthe patellar tendon so it will force use of a brace for
period of time for recovery.approximately two weeks. This will immobilize the
To determine if there is an ACL injury there areknee to allow for healing. This surgery is significantly
three common types of tests a physician mayless painful and is a viable option to the patellar
employ. The anterior drawer test and Lachman teststendon. Over time, studies indicate this surgery is just
are where the physician flexes the leg andas effective but it takes longer for a person to be
manipulates the tibia to determine greater movementable to resume normal activities.
than normal. An MRI can also be used to determineThe cadaver surgery is when the tendon is removed
damage. If damage is found, a course of treatmentfrom a cadaver to use in place of the patient's own
will be prescribed. Small tears will usually be allowed totendons. Because the removal is the most painful
heal by naturally, but more severe injuries will requirepart of the surgery, this type reduces the post
surgery and ACL reconstruction.operative pain associated with ACL reconstruction.
ACL surgery is done arthroscopically, which is a lessBecause this is being taken from another body,
invasive type of surgery. Only small incisions arehowever, there is a risk of rejection that can cause
made which can reduce recovery time for thecomplications.
patient. There are three main types of ACLACL reconstructions are commonly performed and
reconstruction to graft tissue to the knee. Theseare highly successful. Care should be taken to reduce
types include patellar tendon, hamstring tendon andthe amount of stress put on the knee from blows,
cadaver.jumping or changing position quickly. Resuming walking
The patellar tendon connects the kneecap to the shincan occur after approximately three weeks, more
and is very strong and large. The graft is typicallyintense activity after four months, and full recovery
made from the injured knee, but in cases of ais typically complete after six months.
possible second surgery this may be taken from the