Mindset
“Injuries don’t define your career, how you come back from them does….”
― Unknown
For years now, one of the biggest issues I have seen in rehabilitation and performance is the gap between returning an athlete to participation and truly returning them to performance.
I was recently at a workshop with my good friend Matt Jordan, who was presenting on force deck testing and how we can use data to better understand asymmetries, loading strategies, and readiness for return to performance after injury.
One of the major themes discussed was the difference between return to play and return to performance.
Those are not the same thing.
Far too often, athletes are medically cleared before they are truly prepared for the demands of sport. The knee looks good. The timeline has been respected. Strength has improved. The athlete reports feeling “good.”
But underneath that, there are often still major gaps in movement quality, force absorption, deceleration ability, confidence, and adaptability.
And eventually, those gaps often show themselves.
Sometimes the athlete re-injures the same knee. Sometimes they injure the opposite side. Sometimes the compensation patterns begin to move up the chain and we start seeing hip issues, SI joint irritation, low back problems, or thoracic spine stiffness.
I have seen this repeatedly throughout my career.
The reality is that returning from ACL reconstruction is not simply about producing force again. It is also about learning to absorb force again. It is about restoring confidence, movement options, variability, and adaptability.
A lot of athletes become stiffer after injury.
They land differently. They cut differently. They decelerate differently.
And often they do not even realize they are doing it.
Research from clinicians and researchers like Clare Ardern has highlighted the importance of psychological readiness in successful return to sport after ACL reconstruction. Athletes may be physically present, but still moving protectively. The brain remembers where danger occurred, and certain positions or actions can become associated with threat.
That matters.
Because the nervous system changes movement behavior under threat.
Research from Paul Hodges and Gregor Tucker on motor adaptation to pain has helped demonstrate that prior pain changes movement strategies. The body reorganizes how it moves in an attempt to protect itself.
This can lead to:
- stiffer landings
- hesitation during cutting
- altered trunk mechanics
- reduced knee flexion
- shifting away from the involved side
- reduced movement variability
Protection narrows movement options.
And sport is chaos.
The athlete must be able to adapt dynamically to changing environments, speeds, fatigue, reactions, and uncertainty.
This is one of the reasons I believe deceleration is such an important and often overlooked skill after ACL reconstruction.
Many athletes regain propulsive capabilities relatively well. They can squat, jump, and produce force.
But accepting force is different.
Deceleration is a skill.
Good movement is not just about producing force. It is about absorbing it.
One of the most important things I have observed over my career is that athletes often struggle to truly “accept the ground” again after ACL reconstruction. They redirect load. They shorten the deceleration phase. They stiffen. They avoid positions subconsciously.
And if we are not assessing those qualities carefully, we may miss important deficits that still exist beneath the surface.
This becomes even more important when we consider how ACL injury changes sensory and proprioceptive input.
The ACL is not just a passive structure. It contributes sensory information to the brain regarding joint position and movement. Surgery changes that sensory environment. Graft harvesting changes it further.
The brain now has different information coming from the knee.
And inputs shape outputs.
If the nervous system no longer fully trusts the information it receives from the joint, movement expression changes.
The athlete has to relearn how to organize movement around a different sensory reality.
This is why I believe post-ACL rehabilitation never truly ends.
There is always maintenance.
There is always continued adaptation.
There is always ongoing exposure to variability, fatigue, deceleration, reactivity, and chaos.
Because movement is never static.
Researchers in ecological dynamics and movement variability have long emphasized that human movement is adaptive and self-organizing. No two sporting actions are ever exactly the same. Healthy systems adapt dynamically to changing constraints and environments.
Rigid systems struggle in chaos.
And often after injury, rigidity becomes the nervous system’s solution.
Our role as practitioners is to gradually restore movement options, confidence, variability, and adaptability so the athlete can once again solve movement problems fluidly and efficiently.
That is what true return to performance requires.
Not just tissue healing.
Not just timelines.
Not just isolated strength.
But adaptable human movement.
On June 14th in Montreal, we’ll be spending an entire day diving into these concepts during our ACL Reconditioning Intensive at Elite Conditioning.
We’ll discuss:
- deceleration and force absorption
- asymmetry and compensation
- sensory and proprioceptive considerations
- variability and adaptability
- return-to-performance preparation
- fatigue and chaotic environments
- practical assessment and programming strategies
Because the goal is not simply getting athletes back to participation.
The goal is preparing them to thrive once they return.
Maybe we’ll see you there!
