Breaking Down Cam Newton's Ankle Injury and Surgery

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Breaking Down Cam Newton's Ankle Injury and Surgery
Dave Martin/Associated Press

An already rough offseason for the Carolina Panthers took an even worse turn when the team announced superstar quarterback Cam Newton needed ankle surgery.

Joe Person of The Charlotte Observer broke the news via Twitter on Tuesday. According to Person's colleague Jonathan Jones, doctors performed the surgery to "tighten" up Newton's ankle ligaments:

"The ankle was sore after the San Francisco (playoff) game and we wanted to see if rest would calm it down, but it is still bothering him and the decision was made to address it," Panthers head trainer Ryan Vermillion said in a statement.

According to a team spokesman, the ligaments in the ankle had been stretched out, and the procedure will tighten them.

Newton underwent the procedure on Wednesday. According to ESPN.com's David Newton, it went smoothly and without complication—as would be expected given the quality of his surgeon, Dr. Robert Anderson:

"Dr. (Robert) Anderson did not find anything unexpected in the procedure and the surgery went well," Carolina head athletic trainer Ryan Vermillion said in a statement.

Both reports note that the quarterback is likely facing a four-month recovery. He needs such a lengthy rehabilitation to allow the repaired ligaments to strengthen as much as possible.

After all, ligament laxity—or looseness—was likely the problem to begin with.

When an athlete sprains his or her ankle, one or more of the numerous ankle ligaments over-stretches. A Grade 1 sprain constitutes a mild stretch with microscopic tearing, while Grade 2 and Grade 3 sprains involve partial and complete ligament rupture, respectively.

Sometimes, a Grade 3 sprain will require surgery to reattach the torn ends.

However, recurrent low-grade sprains may similarly necessitate going under the knife—as it appears Newton now knows.

The Panthers likely waited to see if Newton's most recent injuries—one from last December and soreness that, according to another report from Jones, lingered through late January's Pro Bowl—would adequately heal without surgery. Regrettably, it seems his progress stalled out, suggesting resting his ankle reached a point of diminishing returns.

Whereas a once-sprained ligament will usually heal and tighten back up without issue, multiple injuries can lead to a chronically weak ligament due to the accumulation of damage and scar tissue from each healing process.

For a better picture, imagine a rubber band. Now, stretch it to the point just before it breaks, relax and repeat the process multiple times. With each repetition, the rubber band becomes less and less taut—and therefore less able to do its job.

Ankle ligaments can follow a similar model.

Wikimedia Commons.
This diagram shows some of the main ankle ligaments as viewed from the outside of the foot. For orientation, the heel is to the left, and the toes are to the right.

Normally, healthy ankle ligaments connect the bones of the lower leg to each other and the foot, thereby stabilizing and coordinating the foot's motion relative to the shin. For example, among other movements, they allow an athlete to stably plant his or her foot on the ground and cut in the opposite direction.

When one or more ankle ligaments become loose—either due to an acute sprain or multiple past injuries—they cannot withstand the type of stress an athlete may ask of them. In the above cutting example, a move that would ordinarily allow Newton to plant his left foot in order to cut to the right might instead result in a rolled ankle—and possibly another sprain in its own right.

Ligament tightening and repair surgery directly addresses the issue. According to Dr. Bob Baravarian—a foot and ankle surgeon at Providence Saint John's Health Center in Santa Monica, Calif.—during a repair, a surgeon can physically reinforce the loose rubber band, so to speak.

"The stretched ligament may be slightly trimmed, but the main part of a primary ankle ligament repair is called a 'pants over vest' tightening of the ligament," Dr. Baravarian explained. "In this repair technique, the ligament is cut at the torn and stretched region and is pulled on top of the adjacent piece. Then, they are tied together to make a double thick repair site, thus the term 'pants over vest.'"

In other words, in the above method, a surgeon fully cuts the ligament at the weakened site and overlaps the two ends, resulting in both shorter and stronger tissue—once rehab is complete, that is.

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Over the coming months, Newton will slowly but surely and progressively test his ankle as his body cements the repaired ligament or ligaments into place. His rehab will likely start with basic range-of-motion exercises, later followed by strength and agility training.

As mentioned, the Panthers star needs ample time to work through his rehab regimen, hence the prolonged timeline. Working too quickly risks damaging the repair and starting the process all over again, and for a team that has already lost multiple offensive weapons this offseason, a setback in Newton's rehab could prove disastrous in every sense of the word.

Fortunately, there is not yet reason to expect anything less than a full recovery. Surgical ligament repairs carry good prognoses if doctors catch the issue early.

Furthermore, Newton will work with some of the best physical therapists out there, and the Panthers will surely take no risks with their franchise player.

While he may miss a significant portion of preseason workouts, in this case, the long-term gain far outweighs the short-term loss.

 

Dr. Dave Siebert is a resident physician at the University of Washington who plans to pursue fellowship training in Primary Care (non-operative) Sports Medicine. Quotes were obtained firsthand unless otherwise noted.

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