Injuries

Gerard Pique crocked - What does ACL recovery process look like?

The number of ACL injuries appears to be on the rise and they are various ways of treating the problem

1:00pm on Sunday 22nd November 2020
By
Team FC

Gerard Pique appears to be the latest of victim of the dreaded ACL injury and could miss the rest of Barcelona's season as a result.

The central defender was involved in an accidental collision with Angel Correa of Atletico Madrid and his knee bent backwards in an unnatural fashion. Pique writhed in agony and the additional prognosis does not look good.

It could be anywhere from a sprain to a full-blown ACL tear, and the latter would be a disaster for both player and club, with Barcelona having precious little cover in the centre of their defence.

Virgil van Dijk suffered a similar injury earlier in the season and he has already begun his long road to recovery, and despite improvements in technology aiding the process cruciate ligament injuries are, unfortunately, still too common an injury in football.

Going back a few decades, such an injury could potentially be career-ending, but advances in medicine and surgery means that many players can make a full recovery and, in the main, return to their former range of movement and ability.

But what exactly is a cruciate ligament injury, how does it happen, and what kind of rehabilitation could Gerard Pique be looking at?

How do Anterior Cruciate Ligament (ACL) injuries happen?

You'll have seen the footage yourself many times. A player's foot is planted and he or she tries to change direction. The foot remains in the ground and the knee doesn't travel with the rest of the body.

It's the ACL, the anterior cruciate ligament, that takes the strain and if the strain is too much, it gives in, in various levels of severity.

Can you walk on a torn ACL?

You'll often hear commentators also say that 'it can't be too bad because he walked off the pitch'. ACL injuries can be walked on by the sufferer - it's not like a broken bone. The player would be in pain but it is possible to limp off, with the initial swelling subsiding.

It doesn't in any way provide an indicator of how serious the injury is, however. Players who walk off the pitch usually have ice applied immediately before they can be taken for surgery.

ACL injury surgery options

There are significant differences in the severity of ACL injuries and also different options that are available in order to resolve the issue.

The fantastic Twitter account Injury Mechanisms outlines this and explains the various options available.

1. Autograft v Allograft

The 'autograft' method utilises the players' existing tendon in order to make repairs. It has a low risk rate but generally the surgery time increases the length of the recovery.

The 'allograft' users what is known as 'donor or cadaver' tissue to fix the problem. Historically it is a less painful procedure for the player but the risk of failure is higher than the autograft method. The cost of the surgery is also higher, though this isn't not necessarily a concern for top professional clubs.

2. Patella Tendon Graft

This method uses 1/3 of the patella tendon using bone blocks. It has the lowest failure rate of all the procedures and involves bone-to-bone healing. As Injury Mechanisms points out, this is considered the optimum approach for athletes wishing to return to their very best.

3. Hamstring Autograft

The hamstring autograft uses the same method as the original autograft in terms of taking an existing part of the body to assist with the repair. Taking a piece of the hamstring is an easier 'harvest' process and requires a smaller incision, but the graft failure rate is historically higher using this method in younger athletes.

It requires longer integration in order to work and takes longer biological healing, and there are also other issues at play such as the graft stretching or the hamstring suffering weakness afterwards.

4. Quadriceps Tendon Autograft

This is the least common method of repairing ACL injuries. It has a predictable graft size and also requires a small incision, but recent studies have shown the failure rate to be higher, hence the reason that it is less commonly used.

Does an ACL injury require surgery?

Not necessarily. Players are increasingly exploring methods by which surgery isn't required, but it requires an intense consultation and dedication to the methods of repair to work (rest + likely workload post surgery).

For example, athletes who are not pre-disposed to changing direction regularly of pivoting can see more success in this respect. But for footballers, basketball players or specific NFL positions (like wide receivers), surgery is still recommended.

Different severity of ACL injuries

Not all ACL injuries are equally serious and there are various grades to describe the severity of the injury.

Grade 1 means that the ligament has sustained mild damage and and has been overextended but is still mild and the knee joint has remained stable.

Grade 2 means that the ACL has been stretched and has become loose. In this scenario, the ligament has likely suffered a partial tear but it's rare for this mid-level injury to happen.

Grade 3 is referred to as a complete ligament tear. It means that the ACL has split into two pieces and the knee itself needs to be stabilised. This is the most common serious injury suffered among football players.

What is the expected recovery time?

This is dependent on many factors. Players are usually walking again after two weeks and this leads them into a false sense of security that everything is ok. They need to be very carefully managed through the rehabilitation procedure to ensure that they are not overextending themselves while the ligament continues to heal.

The optimal period of recovery is sixth months but much of the process is in the hands of the player. If they are compliant with the exercises and regimes provided to them then the process can be expedited, but the utmost care has to be taken to ensure that there is no relapse.

There are countless examples of players trying to rush back to finish too soon, and in the most severe cases, it can take a player up to a year to be ready for first-team football once again.

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