This could require a more complex surgery than a typical ACL ligament repair, he said. According to Popovitz, who does not have special knowledge of RG3's case, this presents some challenges. Typical options for an ACL surgery include sewing up the ligament or seeking a new ligament from a cadaver or from another portion of the body. The cadaver option is not recommended for athletes because its not as strong a repair, said Popovitz, so it's likely the quarterback would seek a new ligament from his own body.
RG3 reportedly already used a portion of the patellar tendon in his right knee for his previous ACL surgery, so he would need to get a tissue graft from his hamstring which Popovitz would not recommend for athletes or his other knee. Andrews will use a patella graft from Griffin's left knee to repair the tear. Since Griffin's ACL had already had been operated on, Popovitz said the procedure is more complicated because surgeons have to either widen the original hole in the femur bone where the original surgery took place, or re-position the hole to a new area, which makes things more difficult because they are working with only centimeters of space.
And that's just for ACL surgery. An LCL procedure is more complex than a first-time ACL repair, according to Popovitz, because the ligament resides near nerves and blood vessels that a surgeon has to worry about. Similar to the ACL, an LCL repair or reconstruction would consist of either sewing up the ligament, or harvesting tissue from another part of the body or a cadaver.
Andrews, he's still in the realm of possibility of returning to the NFL at a same high level. That may be why Griffin has not looked the same since last month, when he suffered a grade-one LCL sprain during a collision with Baltimore Ravens defensive tackle Haloti Ngata.
A strong LCL is crucial for a running quarterback such as RG3, as it prevents the knee from buckling outward when an athlete plants his foot to change directions.
In fact, braces such as the one that Griffin wore on Sunday are designed to assist the LCL by absorbing some of the stress placed on the knee when a player cuts. While playing on an injured knee ligament, a player may appear slower, more tentative or even in pain, similar to how RG3 looked during the early stages of Sunday's game.
He may also run differently, favor one knee over the other and bear weight in a manner other than to what his knees are accustomed. An entire game of favoring his right knee, and thus abnormally stretching and possibly weakning its ligaments, came to a head when his ACL finally paid the price and gave way. When RG3 stepped back to reach for the fumbled snap on his last play of the night, the weight of his body forced his knee to twist inward more than his ACL could bear, resulting in a tear.
Simultaneous injury to multiple knee ligaments is quite common given the overlapping nature of each of their functions. Ligaments—like cartilage and muscle tendons—have extremely poor blood flow when compared to tissues such as muscle fibers and skin.
This lack of blood flow prevents them from healing on their own, making surgery necessary for proper repair. In fact, ACL repair surgeries usually involve removing a piece of tissue from elsewhere in the body—called a "graft"—and using it to serve as a replacement ACL.
According to Mortensen's report, Dr. Andrews likely removed a piece of the patellar tendon—the part of the knee a doctor hits with a reflex hammer—from Griffin's left knee to serve as a new ACL in his right knee.
This is not a new procedure for RG3, as his most recent ACL tear is, in reality, a tear of the graft used to repair a previous ACL tear he suffered in As for the LCL, Dr.
Andrews either stitched or stapled the torn LCL back together or used a similar graft to replace it, depending on the exact location of the injury.
It will involve a steady, stepwise progression from simple weight bearing all the way to running and cutting. The entire course of rehab could take anywhere from six months to a year, as it takes time for the human body to cement the ACL graft into place. He will also have to work at strengthening the muscles around his knee to provide additional support to the joint until the ligaments become stronger. That said, Mortensen also reports that early projections have Griffin possibly being ready for the season, which is spectacular news for the Redskins and all NFL fans alike.
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