Causation and Chiropractic Care: Addressing Pain and Mobility

by Dr Alex Jimenez DC, APRN, FNP-BC, CFMP, IFMCP | Chiropractic, Chronic Pain, Health, Injury Care, Treatments, Viscerosomatic Reflex

Uncover the importance of causation with chiropractic care in proving the connection between trauma and injuries in personal injury cases.

Abstract

Causation is the essential legal and medical bridge connecting an incident—such as a motor vehicle collision, slip-and-fall, or workplace trauma—to the injuries that justify recovery in personal injury claims. Without clear proof that the event caused or materially contributed to the harm, even severe pain and disability may not support full compensation. In my practice at Injury Medical Clinic PA in El Paso, Texas, I have observed for more than three decades that musculoskeletal injuries from trauma rarely exist in isolation. They disrupt joint mechanics, muscle balance, nerve signaling, and overall function, often leading to secondary problems such as chronic pain, reduced mobility, sleep disruption, and compensatory strain in distant body regions. Chiropractic care addresses these issues directly by restoring joint motion, reducing abnormal afferent input to the nervous system, decreasing local inflammation, and facilitating the body’s natural healing processes. When integrated with medical oversight from Dr. Maria Guadalupe Cardenas, MD, board-certified in Internal Medicine, functional medicine principles, targeted rehabilitation, and non-surgical regenerative options, this approach provides both clinical recovery and the objective documentation needed to establish medical causation. This educational post explains what causation means in personal injury, what chiropractic care is, how the two work together, why chiropractic care reduces musculoskeletal injuries and their comorbidities, and how an integrative team model supports durable, non-surgical recovery. Drawing on current evidence from leading researchers and my clinical observations, the goal is to help readers understand the journey from injury event to functional restoration.

Understanding Causation in Personal Injury Cases

Causation is the legal and medical requirement that links a defendant’s negligent or wrongful act to the plaintiff’s injury. Courts and insurance evaluators require evidence that the incident was both the actual cause and the proximate cause of the harm. Actual cause, often called the “but-for” test, asks whether the injury would have occurred but for the incident. Proximate cause, or legal cause, asks whether the harm was a reasonably foreseeable result of the conduct and whether the connection is close enough to justify liability. In practice, medical causation is established to a reasonable degree of medical probability—more likely than not—that the trauma caused or substantially contributed to the diagnosed condition.

The Bradford Hill criteria, originally proposed in 1965 by epidemiologist Sir Austin Bradford Hill, provide a structured way to evaluate whether an observed association is likely causal. These include strength of association, consistency across studies, specificity, temporality (the exposure must precede the outcome), biological gradient or dose-response relationship, biological plausibility, coherence with existing knowledge, experimental evidence, and analogy. In musculoskeletal personal injury, temporality is especially important: symptoms that begin or clearly worsen after a documented collision, with a mechanism consistent with known tissue tolerances, support causation. Medical records that capture the mechanism of injury, the timing of symptom onset, objective findings such as restricted range of motion, positive orthopedic tests, and imaging that correlates with clinical presentation become central evidence. Expert testimony from treating providers who have examined the patient, reviewed the history, and followed the response to treatment carries significant weight because causation opinions are inherent in clinical care.

In personal injury, delayed symptom onset does not automatically defeat causation. Soft-tissue injuries such as strains, sprains, and disc injuries can produce progressive inflammation and pain that peaks hours or days later as chemical mediators accumulate and protective muscle guarding develops. Thorough documentation of the incident details, the patient’s position and restraint use, the direction of impact, and the progressive clinical findings helps distinguish trauma-related injury from pre-existing conditions. When alternative explanations are less likely, and treatment produces measurable improvement consistent with the injury’s expected natural history, the causal link is strengthened.

What Is Chiropractic Care

Chiropractic care is a licensed healthcare profession focused on diagnosing, treating, and preventing disorders of the neuromusculoskeletal system, particularly those involving the spine and extremities. Doctors of Chiropractic are trained to evaluate joint dysfunction, soft-tissue injury, and related functional impairments, then deliver manual therapies—most commonly spinal and extremity adjustments or mobilizations—along with rehabilitative exercise, soft-tissue techniques, and patient education. The core clinical goal is to restore normal joint motion, reduce abnormal mechanical stress, modulate pain signaling, and support the body’s capacity for recovery without reliance on surgery or long-term pharmaceuticals when those interventions can be avoided or delayed.

Modern, evidence-based chiropractic practice is grounded in biomechanics and neurophysiology rather than older theories of “vertebral subluxation” as a cause of systemic disease. High-velocity, low-amplitude thrusts and graded mobilizations stimulate mechanoreceptors in joint capsules, ligaments, and muscle spindles. This afferent barrage can produce short-term changes in segmental spinal excitability, alter descending pain-modulatory pathways, and reduce local muscle hypertonicity. Clinical practice guidelines from multiple organizations support spinal manipulative therapy as part of multimodal care for acute, subacute, and chronic low back pain, neck pain, and certain headache presentations. Systematic reviews and randomized trials have shown reductions in pain intensity and improved function, particularly when chiropractic care is combined with exercise and education.

In the personal injury setting, chiropractic care is often the patient’s first and most continuous contact after trauma. Early evaluation identifies red flags that require imaging or medical referral, establishes objective baseline measures, and begins conservative management while the inflammatory phase of healing is still active. Because many musculoskeletal injuries from collisions or falls are graded sprains and strains rather than fractures or complete ruptures, non-surgical restoration of motion and load-sharing is both clinically appropriate and consistent with the principle of beginning with the least invasive effective option.

How Chiropractic Care Works Hand in Hand with Causation in Personal Injury

Chiropractic care and the proof of causation reinforce each other in several practical ways. First, the initial examination captures the patient’s mechanism of injury in their own words and correlates it with clinical findings. A restrained driver who reports neck pain after a rear-end impact, who demonstrates restricted cervical rotation, and who exhibits positive orthopedic tests for soft-tissue strain supplies the temporality and biological plausibility elements of causation analysis. Subsequent visits document the recovery trajectory: decreasing pain scores, increasing measurable range of motion, improved strength, and reduced functional limitations. These serial observations create a clear timeline that is difficult to dismiss as unrelated to the incident.

Second, chiropractic providers routinely record objective data—goniometric measurements, muscle testing, orthopedic special tests, and postural observations—that can be compared over time. When these findings improve in parallel with the expected phases of tissue healing (inflammatory, proliferative, and remodeling), the records support the conclusion that the trauma produced a treatable injury whose resolution is consistent with the care provided. Third, chiropractic documentation often includes the absence of prior similar symptoms or the clear aggravation of pre-existing conditions. In my clinical experience, patients who had stable, low-level back or neck complaints before a collision frequently report a distinct increase in intensity, new radiation of pain, or new functional loss after the event. Documenting that distinction is essential when defense argues the current symptoms are merely the natural progression of degenerative changes.

Finally, the treating chiropractor’s ongoing relationship with the patient supplies continuity that a one-time independent medical examination cannot match. When the same provider observes both the acute presentation and the response to care, the opinion that the incident caused or materially contributed to the injury rests on direct clinical observation rather than retrospective chart review alone. Courts and juries give substantial weight to this contemporaneous evidence, especially when it is consistent across chiropractic and medical notes within the same clinic.

Physiological Underpinnings of Chiropractic Care for Musculoskeletal Injuries

Spinal and extremity joints that lose normal motion after trauma generate continuous abnormal input from mechanoreceptors and nociceptors. This input can facilitate segmental spinal cord neurons, expand pain receptive fields, and maintain protective muscle co-contraction that further restricts motion. High-velocity, low-amplitude manipulation produces a brief, high-frequency burst of discharge from muscle spindle primary afferents and other dynamically sensitive receptors. Animal and human studies show that this afferent volley can reduce the excitability of dorsal horn neurons involved in pain transmission and modulate descending inhibitory pathways originating in the brainstem and higher centers.

Beyond neural effects, restoring joint motion improves local circulation and reduces concentrations of inflammatory mediators in peri-articular tissues. When synovial fluid redistributes and capsular tension normalizes, the chemical environment that sustains peripheral sensitization improves. Soft-tissue techniques used with joint mobilization address myofascial trigger points and adhesions that develop from muscle guarding. Together, these changes reduce the mechanical and chemical drivers of pain, allowing patients to resume more normal movement patterns that further promote healing.

For disc-related injuries, controlled distraction or flexion-distraction techniques can reduce intradiscal pressure and may improve nutrient diffusion into the avascular disc. Combined with core stabilization exercise, this strategy aims to restore load-sharing among the spine’s passive (ligaments and discs), active (muscles), and neural control subsystems. Clinical observations in my practice confirm that patients who regain segmental motion early and then progress through graded loading recover function more reliably than those who remain immobilized or who rely solely on passive modalities.

How Chiropractic Care Reduces Musculoskeletal Injuries and Their Comorbidities

Musculoskeletal injuries from trauma commonly produce a cascade of secondary problems. Restricted motion leads to muscle atrophy and altered recruitment patterns. Persistent nociceptive input can contribute to central sensitization, sleep fragmentation, and reduced physical activity. Reduced activity then worsens cardiovascular fitness, glycemic control, and mood. Chiropractic care interrupts this cascade at several points.

Randomized trials in active-duty military personnel have shown that adding chiropractic care to usual medical management produces moderate improvements in low-back-pain intensity and disability at six weeks, along with higher patient satisfaction and lower self-reported pain-medication use. Observational studies of older Medicare beneficiaries with chronic low back pain and multiple comorbidities found lower overall costs and lower rates of subsequent surgery among those who received chiropractic manipulative treatment. Systematic reviews support spinal manipulative therapy as part of multimodal care for neck pain and cervicogenic headache, with reductions in both pain and associated disability.

In personal injury populations, the comorbidities I most frequently observe are compensatory shoulder or hip strain from altered gait or posture, tension-type or cervicogenic headache secondary to upper cervical dysfunction, and sleep disruption that prolongs recovery. By restoring cervical and lumbar motion, reducing muscle hypertonicity, and enabling earlier return to graded activity, chiropractic care decreases the likelihood that these secondary problems become entrenched. Patients who recover segmental mobility and core endurance report better tolerance for work and daily activities, which in turn supports mental health and reduces the risk of prolonged opioid exposure.

Integrative Chiropractic Care in Non-Surgical Treatments

Non-surgical management of traumatic musculoskeletal injury is most effective when mechanical, neurological, and systemic factors are addressed together. Integrative chiropractic care combines joint mobilization or manipulation with rehabilitative exercise, soft-tissue therapy, nutritional support for tissue repair, and, when indicated, regenerative options such as platelet-rich plasma under appropriate medical direction. The reasoning is straightforward: restoring motion reduces abnormal loading and afferent drive, while progressive loading stimulates collagen remodeling and motor-pattern retraining. Functional medicine evaluation can identify co-factors—such as vitamin D insufficiency, sleep apnea, or inflammatory dietary patterns—that slow healing even when local mechanics are improved.

Spinal decompression is used when imaging and clinical findings indicate disc-related nerve compression; controlled traction reduces intradiscal pressure and can create a window for nutrient exchange and symptom relief, allowing patients to participate more fully in active rehabilitation. Soft-tissue techniques and instrument-assisted mobilization address adhesions that limit excursion. Acupuncture or electroacupuncture is sometimes added for additional pain modulation via endogenous opioid and non-opioid pathways. The plan adjusts throughout based on the healing phase and the patient’s response, with medical oversight ensuring red-flag conditions are identified and any necessary imaging, lab evaluation, or referral occurs promptly.

The Multidisciplinary Team at Injury Medical Clinic PA and the Role of Dr. Maria Guadalupe Cardenas

At Injury Medical Clinic PA (Mission Plaza Injury Medical Clinic) in El Paso, Texas, a coordinated team delivers care under dual clinical leadership. I provide chiropractic evaluation and treatment together with nurse-practitioner-level medical assessment. Dr. Maria Guadalupe Cardenas, MD, Board Certified in Internal Medicine, NPI #1164426749, Texas MD License #J2933, serves as Medical Director and Collaborative Physician. With more than 40 years of experience as an internist, Dr. Cardenas provides physician-level oversight for complex cases, reviews systemic medical issues that may affect recovery, and collaborates on treatment plans that require medical decision-making beyond the scope of chiropractic or advanced-practice nursing alone.

This structure is common in integrative injury clinics. The chiropractor focuses on joint mechanics, soft-tissue function, and progressive rehabilitation. The internist evaluates comorbidities such as hypertension, diabetes, or inflammatory conditions that can influence healing, coordinates any necessary imaging or specialty referral, and ensures that documentation meets both clinical and medicolegal standards. Physical therapists, massage therapists, and additional nurse practitioners contribute specific modalities and exercise progression. The result is a single, coherent record that captures the mechanism of injury, objective findings, response to care, and medical correlation—precisely the elements needed to support causation analysis.

Patients benefit because decisions consider both mechanical and systemic perspectives. When a patient with pre-existing diabetes sustains a disc injury, for example, glycemic control is optimized alongside spinal decompression and core training so that microvascular factors do not impede soft-tissue healing. When sleep disruption or mood changes appear, we address them rather than ignore them. The collaborative model therefore supports both clinical recovery and the clear, consistent documentation that personal injury claims require.

Clinical Observations from Dr. Alexander Jimenez

In more than three decades of practice in El Paso, I have repeatedly observed that the patients who recover most completely are those whose care begins with a precise description of the mechanism of injury and whose treatment plans are adjusted according to measured progress rather than a fixed schedule. A mid-20s heavy-labor worker who sustained neck and low-back injuries in a collision recovered approximately 80 percent of function over nineteen weeks, and then experienced a second collision, requiring careful re-evaluation of both the new trauma and the residual deficits from the first event. The integrated record—chiropractic measurements of motion and strength together with medical assessment of systemic factors—allowed the team to distinguish the effects of each incident and to modify the plan accordingly.

I have also noted that delayed symptom onset is common after low-speed collisions when the head is rotated or when the patient is looking over the shoulder. Soft-tissue strain and facet irritation can cause progressive inflammation that peaks 1 to 3 days later. Early documentation of the exact body position and the progressive clinical findings has proven essential when causation is later questioned. Patients who receive early restoration of joint motion, soft-tissue care, and graded activity consistently report better sleep, fewer compensatory pains, and faster return to work than those whose care is limited to passive modalities or prolonged rest.

These observations align with the broader literature: multimodal care that includes spinal manipulative therapy produces meaningful reductions in pain and disability, and contemporaneous records from the treating team provide the strongest evidence of both the injury and its causal relationship to the incident.

Why Specific Techniques and Protocols Are Used

Spinal and extremity adjustments are used because restricted joint motion after trauma generates ongoing abnormal afferent input that facilitates pain and maintains muscle guarding. By restoring motion, the technique reduces that input and allows more normal movement patterns to re-emerge. The reasoning is both biomechanical—normalization of load distribution—and neurophysiological—modulation of segmental and descending inhibitory pathways.

Spinal decompression is selected when clinical and imaging findings indicate disc-related compression because controlled distraction can lower intradiscal pressure and may improve fluid exchange. It is paired with stabilization exercise so the temporary pressure reduction is followed by improved muscular support.

Soft-tissue techniques and therapeutic exercise are included because muscle guarding and trigger points develop secondary to joint dysfunction and nociceptive drive. Addressing them directly reduces local ischemia and referred pain, while progressive loading stimulates collagen alignment during remodeling. The protocol includes medical oversight and functional-medicine evaluation because systemic factors—inflammation, nutrient status, sleep, and comorbidities—modulate tissue repair. Optimizing these factors increases the probability that local mechanical improvements translate into durable functional gains.

The protocol is individualized throughout according to injury grade, healing phase, and measured response. Conservative care continues when progress is documented; imaging or specialty referral occurs when red flags appear, or expected improvement does not occur. This reasoned, stepwise approach supports both clinical recovery and the clear causal narrative required in personal injury documentation.

Conclusion

Causation in personal injury is established by demonstrating that an incident more likely than not caused or substantially contributed to the diagnosed musculoskeletal injuries and their functional consequences. Chiropractic care supports this process by providing early, continuous, objective documentation of the mechanism, findings, and treatment response while restoring joint motion, modulating pain signaling, and facilitating tissue healing. When delivered within an integrative model that includes medical direction from an experienced internist such as Dr. Maria Guadalupe Cardenas, functional-medicine principles, and progressive rehabilitation, the approach reduces both the primary injury and the secondary comorbidities that commonly prolong disability. The physiological rationale is grounded in current neurophysiological and biomechanical research, and clinical results in practice align with published trials showing improved pain, function, and reduced reliance on more invasive interventions. Readers seeking recovery after trauma are encouraged to pursue care that addresses both the mechanical and systemic dimensions of injury and that produces the clear, contemporaneous records needed to support both healing and the proof of causation.

References

Hill, A. B. (1965). The environment and disease: Association or causation? Proceedings of the Royal Society of Medicine, 58(5), 295–300. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1898525/

Goertz, C. M., Long, C. R., Vining, R. D., Pohlman, K. A., Walter, J., & Colter, I. (2018). Effect of usual medical care plus chiropractic care vs usual medical care alone on pain and disability among US service members with low back pain: A comparative effectiveness clinical trial. JAMA Network Open, 1(1), e180105. https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2680417

Weeks, W. B., Leininger, B., Whedon, J. M., Lurie, J. D., Tosteson, T. D., Swenson, R., O’Malley, A. J., & Goertz, C. M. (2016). The association between use of chiropractic care and costs of care among older Medicare patients with chronic low back pain and multiple comorbidities. Journal of Manipulative and Physiological Therapeutics, 39(2), 63–75. https://www.jmptonline.org/article/S0161-4754(16)00007-5/abstract

Pickar, J. G. (2002). Neurophysiological effects of spinal manipulation. The Spine Journal, 2(5), 357–371. https://www.sciencedirect.com/science/article/abs/pii/S152994300200400X

Gevers-Montoro, C., Provencher, B., Descarreaux, M., Ortega de Mues, A., & Piché, M. (2021). Neurophysiological mechanisms of chiropractic spinal manipulation for spine pain. European Journal of Pain, 25(7), 1429–1448. https://doi.org/10.1002/ejp.1773

Côté, P., Hartvigsen, J., Axén, I., Leboeuf-Yde, C., Corso, M., Shearer, H., Wong, J., Marchand, A. A., Cassidy, J. D., French, S., Kawchuk, G. N., Mior, S., Poulsen, E., Srbely, J., Ammendolia, C., Blanchette, M. A., Busse, J. W., Bussières, A., Cancelliere, C., … Yu, H. (2021). The global summit on the efficacy and effectiveness of spinal manipulative therapy for the prevention and treatment of non-musculoskeletal disorders: A systematic review of the literature. Chiropractic & Manual Therapies, 29, 8. https://doi.org/10.1186/s12998-021-00362-9

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