Sports Injuries in Orem — Why the Muscle Damage Is Bigger Than the Injury Itself
- Dr Chris Knudsen
- 3 days ago
- 3 min read

You came down wrong after a rebound, rolled an ankle on the Bonneville Shoreline Trail, or felt something pull during a Saturday soccer game. The swelling settles, the X-ray looks fine, and the sharp pain fades. You expect to pick up right where you left off — but the joint feels weak and unreliable, and the muscles around it just won't fire the way they used to.
If that sounds familiar, you are not imagining it, and you are not behind on your effort. For active people across Orem and Utah County, the injury you can see is often the smaller half of the story. The bigger half is happening in your nervous system.
The injury is local. The shutdown is not.
When you injure a joint, the damaged tissue floods your nervous system with alarm signals. Your brain responds by quietly turning down the muscles around that joint — almost like a circuit breaker tripping to protect the area. There's a clinical name for this (physical therapists call it arthrogenic muscle inhibition), but here's what actually matters to you.
The muscle itself is usually healthy. It hasn't shrunk, and it isn't torn. Your brain has simply dialed it down, so you can't switch it on all the way no matter how hard you push. The muscle is, in a sense, offline — waiting for a green light from the brain that hasn't come yet.
This isn't rare, and it isn't only for big surgical injuries. It shows up after an everyday ankle sprain or a tweaked knee just as it does after major trauma. In one large study of athletes with fresh knee ligament tears, more than half showed measurable muscle shutdown before they ever reached the operating room. The biggest triggers were swelling, pain, and additional injuries — all of which keep that alarm signal blaring.
Why "it feels strong enough" can fool you
Active people are tough, motivated, and used to pushing through discomfort. That's exactly why this problem hides so well. You can rebuild visible strength, pass a basic strength test, and still have muscles that switch on a beat too late or in the wrong order.
You feel it as a joint that gives way, that you don't quite trust, or that won't push the way it used to — even though the scan says everything healed. Research that looked deeper than a simple strength number found that this faulty muscle control lingered up to a year after surgery, long after strength looked normal on paper. That gap between "strong on a test" and "ready for sport" is where re-injuries love to happen.
So if your knee, shoulder, or ankle feels almost right but not quite trustworthy, that instinct is worth listening to. It usually means the nervous system hasn't fully switched the muscle back on.
What actually changes it
Strengthening a muscle that's being held offline is like flooring the gas with the parking brake on. The first job is to release the brake — calm the alarm signals coming from the joint — so your brain stops dialing the muscle down. Then strengthening finally takes hold.
That's why a thorough evaluation matters more than a quick once-over. At Muscle IQ Physical Therapy in Orem, we test how well each muscle is actually firing, not just how much weight you can move. We look for the hidden muscle inhibition driving the weakness, work to quiet the irritated tissue feeding it, and then retrain the muscle to fire fast, on time, and in the right pattern. Strong muscles help protect injured tissue. Weak, half-firing muscles leave it exposed.
If you're a parent or coach, this is worth knowing too: when an athlete's strength looks fine but they keep reinjuring the same spot, the muscle control underneath may still be off. That's the moment a deeper evaluation can change the rest of the season.
You can get back to your sport
A sports injury is rarely just the tissue that tore. It's the muscles that quietly went offline around it — and those can be turned back on. With the right evaluation and the right plan, strength can return, and so can your confidence on the field, the court, or the trail.
Take control of your health today by calling Muscle IQ at (801) 310-0851 to schedule your first appointment.
Learn more at MuscleIQ.com.





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