Returning to sport is not the same as returning to performance.
That distinction is easy to agree with. It is much harder to operationalize.
A recent paper from Buckthorpe and colleagues provides one of the clearest descriptions yet of the space between rehabilitation and sustained performance after ACL reconstruction. Rather than treating return to sport as a single decision, they describe a progressive transition through on-field rehabilitation, return to team training, return to competitive match play, and ultimately return to performance.
It is an important reframing because the athlete who has been cleared to participate is not necessarily the athlete who is prepared to perform. But it also exposes another problem. We have gotten increasingly good at describing the road back. We are still figuring out how to determine when someone has actually arrived.
Minding the gap
For years, return to sport was often treated like a finish line. Rehabilitation happened on one side. Competition happened on the other. Somewhere between the two, an athlete passed a collection of tests, received medical clearance, and was considered “returned.”
The reality was always more complicated.
The return-to-sport continuum helped formalize the distinction between return to participation, return to sport, and return to performance. Buckthorpe and colleagues add considerably more resolution to that transition by incorporating on-field rehabilitation, return to team training, return to competitive match play, and return to performance.
That added resolution matters. An athlete can tolerate controlled sport activity without tolerating practice. They can tolerate practice without being ready for competition. They can appear in a game without tolerating normal minutes. And they can tolerate normal minutes without performing at the level they did before injury. Those are meaningfully different states.
The paper also identifies four pillars that should be developed across this process: movement quality, sport-specific technical and tactical function, physical reconditioning and workload tolerance, and maximal strength and explosive neuromuscular performance.
This gives us a much better description of the space between rehabilitation and performance. But describing the path and determining the outcome are not quite the same thing.
A continuum vs. an outcome
There is an important distinction here.
On-field rehabilitation, return to training, and return to competition describe changes in participation and exposure. They tell us something about what the athlete is allowed to do, what environments they are entering, and what demands they are beginning to tolerate.
Return to performance is different.
Buckthorpe and colleagues define return to performance as the stage at which an athlete has restored or surpassed pre-injury performance capacity, including physical output, technical-tactical effectiveness, match availability, and tolerance of training and match workloads.
The ability to restore and tolerate each of these areas is important, but sport performance is ultimately an outcome. That distinction between the process of returning to performance and the outcome of performance itself matters.
The question is no longer simply: what can the athlete participate in, or what demands can they tolerate?
It becomes: how well are they actually performing once they are there?
And answering that question is considerably more complicated.
Minutes, starts, points, efficiency, workload, technical contributions, and other sport-specific outcomes can all provide useful information, but each is influenced by the context in which performance occurs. So if we are going to say an athlete has returned to performance, we need some way to observe it, quantify it, and decide what we are comparing it against.
Return to what?
This is where return to performance becomes much more complicated than return to competition.
If we say an athlete has returned, there needs to be a reference point. Their final season before injury seems like the obvious answer. But even that can be misleading.
Was the athlete improving before the injury? Did their role change? Did they transfer teams? Did the coaching staff change? Are they now playing fewer minutes because of performance, or because a future first-round pick joined the roster? Has the team changed its style of play? Were they injured as a sophomore and are now being compared with a version of themselves who should naturally be better two years later?
Even the seemingly simple question of whether an athlete is producing at their previous level can quickly become difficult.
Minutes, starts, availability, scoring, efficiency, workload, speed, technical contribution, and role-specific outputs may all tell us something different. And importantly, performance is not expressed in isolation.
An athlete may have the physical and technical ability to perform, but they also need the opportunity to express it. A healthy athlete sitting on the bench cannot accumulate minutes. A point guard moved off the ball may see assists decline despite playing well. A player asked to defend, screen, and rebound may contribute substantially without producing the same box-score numbers as before injury.
That means reduced production after injury does not automatically mean reduced capacity. Likewise, simply being back in the lineup does not prove that performance has been restored.
Availability is not performance
This distinction becomes especially important once an athlete has returned to competition.
Buckthorpe and colleagues define return to competitive match play as the point at which a player is available for selection, often initially through controlled exposure such as reduced minutes or substitute appearances. They then describe an early return-to-performance phase in which the athlete may still be load-compromised, unable to tolerate full training density or repeated match exposure, and performing below previous in-game levels.
Being available to compete tells us the athlete has crossed an important threshold. It does not mean previous performance has been restored.
In fact, those first games back are likely part of the process through which performance is rebuilt.
Competition introduces demands that are difficult to fully recreate elsewhere: real-time decision-making, opponent interaction, tactical responsibility, fatigue, repeated high-intensity actions, and the accumulation of those demands across training and competition.
Return to competition, then, is not the end of the process. It is where performance can finally be expressed in its true context.
And that is where return to performance becomes a different question.
Not simply: is the athlete back?
But: what level of performance are they actually producing now, and how does that compare with where they were before?
Mind the gap
The growing emphasis on return to performance is an important evolution.
The Buckthorpe framework helps make visible a period that has too often been compressed into the phrase “return to sport.” The distance between completing rehabilitation and sustaining high-level performance is real, and athletes need progressive exposure to bridge it.
But naming the final stage creates the next challenge.
If an athlete has returned to training, we can observe it. If they have returned to competition, we can record it. If we say they have returned to performance, we have to prove it.
And that means understanding not only what the athlete is capable of doing, but what they are actually doing, how consistently they are doing it, and against what standard we should compare them.
The gap between return and performance is not simply more rehabilitation. It is a measurement problem too.
And that leads to the next question: how do we actually monitor an athlete’s performance state?
That is where we will go next week.
Reference:
Buckthorpe M, Read P, Hamrin Senorski E, Compagnin A, Di Paolo S, Della Villa F. A Return to Performance Continuum for Football (Soccer) Players After ACL Reconstruction: Bridging Rehabilitation, Return to Play and Sustained Performance. Sports Medicine. 2026.
TOMMY OTLEYPhysical therapist, sport scientist, educator, and researcher working at the intersection of rehabilitation and performance.
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Returning to competition is an important milestone, but it does not mean performance has been restored. This edition of The Film Room explores the gap between return and performance, why performance requires an outcome, and how role, opportunity, and context complicate what “back” really means. If we say an athlete has returned to performance, we have to be able to show it.