"Just an Ankle Sprain..."

Let's talk about ankle sprains.

I've recently had a few patients come through the clinic with ankle sprains that needed to be evaluated.  It's basketball season!  My first question to any new patient is usually "what brings you into physical therapy today?" Any of my fellow PTs also experience teenagers coming in and answering this question with "just an ankle sprain?" They usually shrug while they say it and sigh in exasperation, maybe even a hint of an eye roll.  It's a completely different presentation from the kid in a sling who broke their arm and tells you all about the huge tree they were climbing or the other kids who were on the monkey bars when they slipped and who got the teacher for help and whether or not they cried. It's a different presentation from someone who just tore their ACL and feels like the future of their sport seems impossible - or at best a million years way.  Those are real injuries, right?  A broken arm or a torn ACL are a big deal... but an ankle sprain is no big thing, they think.

From a physical therapist perspective, an ankle sprain is a bit of a double-edged sword.  On the one hand, they're pretty easy to evaluate and they overall recover fairly quickly - at least back to baseline function.  On the other hand, they usually feel really good long before they have made an effort to reduce the risk factors that contributed to their injury in the first place.  Said another way, sometimes these athletes feel like they're back to normal, but normal is at risk for getting injured again.  As a physical therapist, I sometimes have to convince these patients that just because they feel like they should be playing their sport without any restrictions, it doesn't mean physical therapy or strength training has ended.

So who says this?  Sometimes it's a young athlete who wants to look tough after an injury that shouldn't seem like a big deal. Sometimes it's an athlete who really didn't have that much pain a day or two after the injury but couldn't get into physical therapy so they're almost back to playing sports.  These athletes have already gone to practice but their coach won't let them play in a game until someone clears them, so they come in for their first visit hoping that I'll be the one to do that.  This very rarely happens, though I won't say never. Sometimes they've noticed that half of their teammates have had the same injury and it's really common.  When you're at physical therapy and your teammates are there with you, something could be very wrong with your team training program. 

Here's why it is, in fact, a big deal:

Ankle sprains are really common.  In my graduate thesis that surveyed 246 high-level women's basketball players about their injury history, 70% had experienced an ankle sprain.  So not only are they really common - but athletes also recover from them and get back to playing their sport at a high level.  You can sprain your ankle and recover in such a short period of time that it would be possible to experience the same injury repeatedly throughout a season or career, though with each subsequent injury, the recovery is generally longer and the tissue damage gets worse.

When someone sprains their ankle, about 40% of the time, the ankle becomes chronically unstable.  According to this 2017 paper by Miklovic et al, this chronic instability affects range of motion, strength, movement patterns, and postural control.  Basically your nervous system recognizes that something has occurred and tries to protect you by moving in different ways.  An unstable ankle can get better with strengthening and balance - though it doesn't generally go back to it's original state.  The other way an unstable ankle gets better is through surgery... which is what happened to me.

The BIGGEST RISK FACTOR for an injury is a previous injury.  (Sorry PTs who have heard this before!  The general population just doesn't know this is a fact!) So if 70% of athletes on your team are having ankle sprains, that means 70% of athletes on your team are at risk for another injury and next time it may be another ankle sprain, or it could potentially be something that takes them off the field or court for a much longer duration.

Here are three key concepts with regard to ankle sprains that are really important for you to know if you're an athlete or a parent of a youth athlete or a youth sports coach or a person with an ankle - because these happen to non-athletes, too!:

First: When an ankle sprain occurs, it can be classified into one of three grades. This grading system is used for all sprains and strains in the body, but we're talking specifically about the ankle today.  There are many references that outline this, so here's one:

Grade I: the ankle feels stable, you can probably walk on it, there likely isn't any bruising but maybe some swelling.  There may not be any damage or a few ligament fibers are injured, which is painful, but these generally recover very quickly in about 1-2 weeks and often they are not treated in physical therapy.  In my opinion, this is a mistake!  Get it checked, get a home exercise program, and reduce risk of re-injury particularly when you're only missing a short period of time from sports or activities.

Grade II: the ankle probably has a little bit of bruising and swelling, it's painful to walk on, and may or may not feel unstable.  Usually people with a grade II sprain are given crutches and sometimes a boot for a short period of time.  There is partial tearing of a ligament with this injury.  These take a little longer to recover, more like 4-6 weeks.  These are more frequently seen in the PT clinic, but still many people don't come get treated for these until they've had multiple episodes.  Again, I believe this is a mistake. 

Grade III: the ankle will have much more bruising, usually also going into the foot and lots of swelling.  Generally you won't be able to walk with this and there is full rupture of a ligament or more than one ligament.  Sometimes these are also accompanied by fractures to the ankle bones, so these people typicall need XRAYS to determine the severity of their injury. These are the injuries that get a boot and crutches for a longer period of time.  The ankle feels unstable, even after the extended period of immobilization.  Generally these do not require surgery but take closer to 6-12 weeks for full recovery and almost always are recommended to have physical therapy.

(Of course - recovery times vary and it depends on the anatomical structures involved in the injury.)

Second: It seems pretty obvious to some, but in case you haven't noticed, in a standing  sport, the foot is the first place that the body interacts with the environment. The foot strikes the ground and that interaction directs human movement.  When I treat patients in the clinic with pain in their low back - I must choose to treat them from the ground moving upwards or from their head moving downwards.  Sometimes the symptoms are driven from above- othertimes from below - and sometimes the symptoms are sandwiched between dysfunctions and you treat from both directions.  When it comes to the foot - there isn't really anything to consider below it because that's the ground.  I of course need to make sure the toes are all moving, but overwhelmingly, when you are looking at someone who experienced an ankle sprain, you're going to treat the ankle injury and give focus higher up the chain to the hip which controls the leg in space.

After an ankle sprain occurs, the most common deficits to the athlete following the injury are: Limited dorsiflexion ROM, decreased balance/proprioception, decreased strength which translates into decreased power to push off or jump.  This is a long list of things that are affected from "just an ankle sprain."  So if you play a sport in which you jump, after an ankle sprain you're likely jumping differently than beforehand.  And squatting differently.  And walking differently.  And rebounding differently. And pushing off of first base differently... got the idea?  Your movement changes after the injury - and physical therapy helps guide you to exercises that will improve this.  Moving differently may not be a problem - but it might contribute to your risk for another injury.

If you just treat these deficits and don't consider what could have been going on BEFORE the injury, you might entirely miss the need to assess and strengthen their hips and the way they move as a whole unit.  The body moves as a whole and needs to be treated as a whole.

Third: What you can do about it:
I've previously written about injury prevention programs.  Ideally everyone would do a better job of preventing ankle sprains from happening in the first place. Here's where I've written about those in the past for ACL injuries as well as this post using dynamic warm ups as a way to incoporate injury prevention into daily practices.  Start with a program for everyone on your team and find a physical therapist in your area to screen your athletes for risk factors and then get individualized exercises to add in for each person.  There is evidence available showing that injury prevention programs help reduce ankle sprains.

If you are a parent to an athlete who experiences an ankle sprain or a youth coach who has an athlete experience this injury, SEND THE KID TO PHYSICAL THERAPY!  Once the injury occurs, get them screened, get them a home exercise program that you incorporate for all your athletes.  They will probably benefit from some mobility work, some strengthening to their ankle, hips, and core, some training on how to move with control, and some balance exercises.  If I've said it before, I've said it a million times: Injury Prevention = Performance Enhancement. 

Don't end up like me, in the photo above, having had so many ankle sprains that I did nothing about and ultimately ending up in the operating room.  Prevent things from getting worse, and Get PT 1st.  It might even make you a better athlete!