When most people think about PTSD, they think about the psychological experience (flashbacks, hypervigilance, nightmares). What’s talked about far less is what PTSD does to the body, and how much of that shows up in physical therapy clinics like ours.
As physical therapists who treat pain, movement, and function, we know that the mind and body are not separate systems. Trauma doesn't stay contained in someone's psychology. It can take up residence in the muscles, the nervous system, and the way a person moves through the world.
If you're someone managing PTSD, or supporting someone who is, the connection between psychological trauma and physical symptoms is real and well-documented. However, you don’t have to live with the pain indefinitely, and it doesn't mean there's nothing to be done about the physical piece while the larger work of recovery continues.
What Trauma Does To The Body, Physiologically
PTSD keeps the nervous system in a state of sustained alertness. For people experiencing PTSD, the fight-or-flight response that's designed to activate briefly in moments of danger becomes a kind of permanent background setting. The body is always preparing for a threat that may never come.
One of the most direct physical consequences of this is chronic muscle tension. When the body is in a constant state of high alert, muscles—particularly in the neck, shoulders, jaw, and back—may stay contracted. Over time, this kind of sustained bracing can create myofascial trigger points, joint stiffness, and pain. It’s not imagined discomfort. It’s the predictable physical outcome of a nervous system that hasn't been able to come down from threat mode.
There's also the question of pain sensitivity. Research shows that PTSD is associated with changes in how the central nervous system processes pain signals. Some people with PTSD develop what clinicians call central sensitization (a state where the nervous system becomes amplified in its response to stimulation, meaning ordinary sensations can register as painful). The research on exactly how this plays out is nuanced (it varies, for instance, based on the type of trauma), but the clinical reality is consistent: people with PTSD frequently experience pain that doesn't map neatly onto a tissue injury or a structural finding.
And then there's movement avoidance. Some people with PTSD limit movement; sometimes because movement hurts, sometimes because certain types of exertion (an elevated heart rate, shortness of breath) can feel physiologically similar to a panic response, and the body learns to avoid those sensations. Research suggests that people experiencing traumatic stress tend to disengage from physical activity. The consequences of that withdrawal, from muscle deconditioning to worsening pain, are well-documented effects of reduced movement regardless of cause.
The Role of Physical Therapy
Physical therapy is not a treatment for PTSD itself; that work happens with mental health professionals, and we believe strongly in the power collaboration. What we can address is the physical layer: the chronic tension, pain, movement avoidance, and the ways the body has reorganized itself around trauma.
There's a growing body of research suggesting that physical activity and body-focused interventions can play a meaningful, supportive role in PTSD recovery (not as a replacement for psychological care, but alongside it). Movement appears to help regulate the nervous system, improve sleep, and reduce the somatic burden that chronic stress creates.
For PT patients with a history of trauma, we take a different approach than standard PT.
We adjust pacing and control. For someone whose nervous system has learned to interpret unpredictability as danger, a rigid treatment protocol delivered without explanation can feel threatening rather than helpful. We take time; explain what we're doing and why; check in during sessions and adjust based on how the person is responding. The goal is to give the patient as much agency as possible, because so much of the trauma experience involves a loss of control.
We pay attention to the whole picture. Chronic tension in the upper traps, persistent jaw tightness, an inability to fully relax the shoulders… these are often the presenting complaints that bring someone in, and they may or may not have an obvious structural cause. We're not here to diagnose PTSD or make assumptions about why someone's body is holding tension. However, we will call out patterns we see.
We often use gentle, graded movement as the starting point. For someone who has been avoiding physical activity (whether from pain, fear of exertion, or loss of motivation), the entry point needs to be manageable. Overwhelming someone with intensity early in treatment can reinforce the association between movement and discomfort. We build gradually, and we watch for signs that the nervous system is tolerating the work.
ProFysio Physical Therapy Is Here to Help
The body keeps a record of what we've been through. That's not a metaphor; it's physiology. Chronic stress changes how muscles hold tension, how the nervous system processes sensation, and how willing we are to move.
Physical therapy, done thoughtfully and with awareness of trauma, can help address the physical record; not by erasing what happened, but by helping the body find its way back to a state that feels safer, less painful, and more capable.
If any of this resonates with you or someone you care about, we're happy to have a conversation about using PT as part of the PTSD treatment approach. Give us a call at (732) 812-5200 to get started.