The Neck–Brain Connection: How Cervical Spine Dysfunction Can Influence Balance, Dizziness, and Sensorimotor Control

Understanding the relationship between the cervical spine, proprioception, visual and vestibular systems, and why a comprehensive chiropractic approach considers more than neck pain alone.

When most people think about chiropractic care, they associate it with neck pain, back pain, joint mobility, and musculoskeletal function.

Yet the cervical spine performs a role that extends beyond supporting the head and allowing it to move.

It also provides the nervous system with continuous sensory information about the position and movement of the head relative to the body.

This information helps the brain coordinate posture, balance, eye movements, and movement through the surrounding environment.

Every time we turn our head, follow a moving object, maintain our balance, or navigate a crowded room, the nervous system integrates information from multiple sensory systems.

The cervical spine contributes to this process through an extensive network of proprioceptive receptors located within muscles, joints, and surrounding tissues.

When cervical function becomes impaired, these sensory signals may become less reliable.

In some individuals, particularly those experiencing persistent neck pain or whiplash-associated disorders, alterations in cervical sensorimotor function have been associated with dizziness, impaired balance, reduced position sense, and disturbances in eye movement control.

A 2024 systematic review and meta-analysis published in Scientific Reports, titled Sensorimotor Tests in Patients With Neck Pain and Its Associated Disorders, investigated these relationships across 34 studies.

The researchers identified differences in cervical joint position sense, selected oculomotor measurements, and postural stability between patients with neck pain and healthy individuals.

These findings build on earlier work by Kristjansson and Treleaven, whose influential 2009 review examined how altered cervical proprioceptive input may contribute to sensorimotor dysfunction and dizziness.

More recent research has expanded our understanding of the relationship between cervical sensory signaling, vestibular processing, and central nervous system adaptation.

Together, these studies highlight an important principle:

The cervical spine is not simply a collection of bones, joints, and muscles. It is also an important sensory interface between the body and the central nervous system.

Understanding this relationship can help explain why appropriate assessment of neck disorders may extend beyond measuring pain and joint mobility.

1. The Cervical Spine: A Mechanical Structure and a Sensory Organ

The cervical spine consists of seven vertebrae, associated joints, ligaments, intervertebral discs, muscles, and neural structures.

Its primary mechanical functions include supporting the head, permitting movement, and protecting important neurological structures.

However, the cervical region also contains numerous sensory receptors.

These include muscle spindles, Golgi tendon organs, and various mechanoreceptors located within joint-associated and surrounding connective tissues.

Muscle spindles are especially important because they provide information about muscle length and changes in length.

The upper cervical muscles contain particularly rich proprioceptive innervation.

This contributes to the nervous system's ability to detect small changes in head and neck position.

Unlike many other regions of the body, the cervical spine must continuously coordinate the position of the head relative to both the trunk and the surrounding environment.

For example, when we rotate our head, the nervous system needs to distinguish whether the head is moving independently of the torso or whether the entire body is changing direction.

Cervical proprioception contributes information necessary for making this distinction.

This sensory function is essential for coordinated movement and postural orientation.

2. What Is Proprioception, and Why Does It Matter?

Proprioception is the nervous system's ability to detect and interpret information about body position, movement, and the mechanical state of muscles and joints.

It allows us to perform movements without constantly watching our body.

For example, proprioception helps us reach for an object, maintain upright posture, and coordinate limb movements.

Within the cervical spine, proprioception contributes to awareness of head position and movement relative to the trunk.

This becomes particularly important when visual or vestibular information is changing.

The brain continuously combines sensory information from multiple sources to maintain a useful representation of the body's position in space.

When one source becomes less reliable, the nervous system may adjust how much it depends on other available information.

This process is known as sensory reweighting.

Sensory reweighting is a normal and necessary component of balance regulation.

However, persistent sensory disturbances or maladaptive compensatory strategies may contribute to symptoms in some patients.

3. The Three Major Systems Responsible for Balance and Spatial Orientation

Balance is not controlled by a single organ or anatomical structure.

It depends on the coordination of multiple sensory and motor systems.

Three important contributors are vision, the vestibular system, and somatosensory information, including cervical proprioception.

The Visual System

Vision provides information about the surrounding environment, object movement, and the body's apparent motion relative to external reference points.

Visual information helps guide posture, walking, and movement through space.

The Vestibular System

The vestibular organs of the inner ear detect head movement and orientation relative to gravity.

The semicircular canals respond primarily to rotational head movements, while the otolith organs provide information related to linear acceleration and gravitational orientation.

Vestibular signals contribute to balance, spatial orientation, and stabilization of vision during head movement.

The Cervical Proprioceptive System

Cervical proprioceptors provide information about the position and movement of the head relative to the body.

These signals interact with vestibular and visual information through neural pathways involving the brainstem, cerebellum, and higher central nervous system structures.

Together, these systems help the brain coordinate posture and movement.

Effective balance depends not only on the accuracy of each sensory system, but also on the nervous system's ability to integrate their information appropriately.

4. What Happens When Cervical Proprioceptive Information Becomes Altered?

Cervical proprioceptive function can be influenced by several factors.

These include neck pain, trauma, muscle fatigue, changes in muscle function, and some musculoskeletal disorders.

Following a whiplash injury, for example, patients may experience persistent neck pain, reduced movement tolerance, muscular dysfunction, and altered sensorimotor performance.

Changes in pain processing and muscle activation may affect the accuracy of cervical position sense.

The nervous system may subsequently receive sensory information that differs from what it expects during particular movements.

One proposed explanation for certain symptoms involves sensory mismatch.

Sensory mismatch occurs when information from different sensory systems is inconsistent or difficult to integrate.

For example, cervical proprioceptors may provide information about head movement that is not fully consistent with simultaneous vestibular or visual signals.

This mismatch has been proposed as one possible mechanism contributing to dizziness or instability associated with cervical dysfunction.

However, the relationship is not straightforward.

Many individuals with neck pain do not experience dizziness.

Conversely, many individuals with dizziness develop secondary neck discomfort because they reduce head movement, adopt guarded postures, or experience increased muscular tension.

Therefore, the coexistence of neck pain and dizziness does not establish that the cervical spine is causing the dizziness.

5. What Does the Research Show About Neck Pain and Sensorimotor Dysfunction?

In 2024, Särkilahti and colleagues published a systematic review and meta-analysis in Scientific Reports examining sensorimotor testing among individuals with neck pain.

The researchers included 34 studies.

Their analysis primarily evaluated three categories of clinical measurements: cervical joint position sense, smooth pursuit eye movements during neck torsion, and postural balance.

Overall, individuals with neck pain demonstrated poorer joint position sense and differences in certain oculomotor and balance measures compared with healthy controls.

The findings were particularly relevant among patients experiencing dizziness or more severe neck pain.

Individuals with traumatic neck pain also demonstrated greater impairment in some measurements compared with those experiencing nonspecific neck pain.

However, results varied substantially among studies.

Some patients with neck pain demonstrated test results within reference ranges, while certain tests failed to reliably distinguish symptomatic individuals from healthy controls.

The authors therefore emphasized the need for improved measurement methods and more clearly defined patient subgroups.

This distinction is important.

Research supports the existence of sensorimotor differences in some patients with neck pain, but no single cervical sensorimotor test can determine the cause of a patient's symptoms.

Instead, these assessments may provide additional information within a comprehensive clinical examination.

6. Cervical Joint Position Sense: Measuring Head–Neck Awareness

One commonly investigated assessment is the cervical joint position error test.

This test examines how accurately an individual can reproduce a particular head or neck position.

For example, a patient may begin with their head in a neutral position, close their eyes, rotate their head, and then attempt to return to the original position.

A laser pointer or other tracking system can measure the difference between the starting and final positions.

This difference is called the joint position error.

Larger errors may indicate reduced accuracy of cervical position sense.

The 2024 meta-analysis identified group-level differences in joint position error between patients with neck pain and healthy controls.

However, it also demonstrated that results vary according to the testing direction, pain characteristics, presence of dizziness, and measurement procedures.

Although a 4.5-degree threshold has been used in previous literature, the review raised concerns about relying on a universal cutoff to classify individual patients.

Consequently, cervical joint position testing is best considered one component of a broader sensorimotor assessment rather than a standalone diagnostic test.

7. The Neck–Eye Connection: Cervical Proprioception and Oculomotor Control

The relationship between the cervical spine and eye movement control is another important area of research.

Several neural pathways help coordinate head and eye movement.

The vestibulo-ocular reflex helps stabilize visual images during head movement by generating compensatory eye movements.

The cervico-ocular reflex also contributes to gaze stabilization through information originating from cervical proprioceptors.

These mechanisms operate alongside visual tracking and other oculomotor systems.

One assessment investigated in patients with neck pain is the smooth pursuit neck torsion test.

During this procedure, eye movements are evaluated while the neck is placed in different positions relative to the trunk.

Researchers examine whether changing cervical position influences the accuracy of smooth pursuit eye movements.

The 2024 meta-analysis identified differences in some smooth pursuit measurements among patients with traumatic neck pain.

However, the authors also noted substantial limitations involving measurement accuracy, study design, and clinical interpretation.

Abnormal smooth pursuit performance is not specific to cervical dysfunction.

Eye movement abnormalities can also occur with vestibular disorders, neurological conditions, fatigue, medications, visual problems, and other influences.

Therefore, oculomotor findings should not automatically be attributed to neck dysfunction.

A comprehensive evaluation considers their pattern, associated symptoms, and other neurological or vestibular findings.

8. Cervicogenic Dizziness: Can the Neck Contribute to Dizziness?

Cervicogenic dizziness is a term used to describe dizziness thought to arise from altered cervical sensory information.

It is most commonly discussed in relation to neck pain, reduced cervical movement, or symptoms provoked by certain neck movements.

Patients may describe unsteadiness, lightheadedness, disorientation, or a sense of imbalance rather than a classic spinning sensation.

However, cervicogenic dizziness remains a debated clinical diagnosis.

A 2025 perspective published in Frontiers in Neurology, Dizziness and Neck Pain: A Perspective on Cervicogenic Dizziness Exploring Pathophysiology, Diagnostic Challenges, and Therapeutic Implications, emphasizes that no universally accepted diagnostic criteria or gold-standard test currently exist.

The authors discuss the sensory mismatch hypothesis, altered cervical proprioception, and possible central nervous system adaptations.

They also emphasize the importance of excluding other explanations before attributing dizziness to cervical dysfunction.

These alternatives may include benign paroxysmal positional vertigo, vestibular migraine, other peripheral vestibular disorders, orthostatic hypotension, medication effects, cardiovascular conditions, and central neurological disease.

Some individuals may have multiple contributing factors.

For example, a patient with vestibular migraine may also have significant neck pain and cervical movement limitations.

Addressing the neck may improve comfort and movement tolerance without necessarily treating the primary cause of dizziness.

This illustrates why careful differential diagnosis is essential.

9. The Cervical Spine, Autonomic Nervous System, and Associated Symptoms

The relationship between cervical disorders and the autonomic nervous system deserves particular attention.

The autonomic nervous system contributes to cardiovascular regulation, sweating, gastrointestinal function, pupil responses, and other involuntary physiological activities.

Certain autonomic pathways travel through the head and neck.

Consequently, neurological or vascular conditions affecting these pathways can sometimes produce symptoms involving the eyes, face, neck, and other structures.

A 2023 article in the Brazilian Journal of Physical Therapy, A Guide to Identify Cervical Autonomic Dysfunctions (and Associated Conditions) in Patients With Musculoskeletal Disorders in Physical Therapy Practice, emphasizes the importance of recognizing autonomic signs during evaluation of neck complaints.

For example, Horner syndrome can involve a combination of a smaller pupil, drooping eyelid, and changes in facial sweating.

When newly developed, particularly alongside head or neck pain, these findings may indicate a serious neurological or vascular condition requiring urgent medical assessment.

The authors also discuss relationships among pain, sympathetic activity, and musculoskeletal disorders.

Persistent pain can interact with autonomic regulation, and autonomic symptoms can coexist with conditions such as migraine and whiplash-associated disorders.

However, these relationships do not establish that routine cervical dysfunction causes generalized dysautonomia.

Nor is there sufficient evidence that chiropractic manipulation reliably corrects conditions such as POTS or other established autonomic disorders.

The clinical priority is to identify relevant signs, distinguish musculoskeletal from non-musculoskeletal pathology, and coordinate appropriate care.

10. When Neck Pain and Dizziness Require Urgent Medical Evaluation

Not every episode of dizziness requires emergency care.

However, certain symptoms may indicate serious neurological, vascular, or other medical conditions.

Sudden severe head or neck pain, particularly when unusual for the individual, deserves careful assessment.

Dizziness accompanied by new double vision, difficulty speaking, difficulty swallowing, facial weakness, limb weakness, severe incoordination, or inability to walk may indicate a neurological emergency.

New pupil asymmetry or a drooping eyelid associated with acute head or neck pain can also be concerning.

These presentations require urgent medical evaluation rather than routine chiropractic treatment.

Likewise, dizziness following significant trauma warrants assessment for potential concussion, cervical injury, and other relevant conditions.

A careful history, neurological examination, and appropriate referral pathways are essential components of safe cervical healthcare.

11. What About Chiropractic Care and Cervical Sensorimotor Rehabilitation?

The presence of cervical sensorimotor deficits raises an important clinical question:

Can appropriately selected interventions improve symptoms or functional performance?

Research has investigated several approaches, including manual therapy, therapeutic exercise, cervical motor control training, and balance rehabilitation.

A 2025 systematic review and meta-analysis in BMC Musculoskeletal Disorders, Is Manual Therapy Effective for Cervical Dizziness?, examined randomized controlled trials involving patients with cervical-related dizziness.

The authors identified six randomized controlled trials and three secondary analyses.

Their analysis suggested that certain upper-cervical manual therapy interventions may improve dizziness-related outcomes compared with control or placebo conditions.

However, certainty of evidence was rated low to very low.

These findings support considering manual therapy as a possible component of treatment for appropriately selected patients, while recognizing that stronger research is needed.

Importantly, manual therapy should not be assumed to correct the underlying cause of every dizziness presentation.

Nor does evidence of benefit for cervical mobilization or selected manual techniques automatically demonstrate equivalent effectiveness or safety for every chiropractic manipulation technique.

Cervical Motor Control and Proprioceptive Exercises

Specific exercises may help patients improve cervical movement control and position sense.

These interventions can include controlled head movements, head repositioning tasks, deep cervical muscle training, and graded coordination exercises.

The objective is to improve movement control and reduce relevant functional limitations.

Vestibular and Balance Rehabilitation

When vestibular impairments are present, targeted vestibular rehabilitation may be appropriate.

Depending on the diagnosis, treatment might involve gaze stabilization exercises, balance training, habituation strategies, or canalith repositioning maneuvers.

Cervical rehabilitation and vestibular rehabilitation address different targets, although they may be combined when clinically indicated.

Graduated Functional Movement

Improving tolerance to everyday movement may also be important.

Patients who become fearful of head movement following dizziness or whiplash may progressively restrict activity.

Appropriately graded rehabilitation can help restore movement confidence and functional participation.

The goal is not merely to reduce symptoms during treatment.

It is to improve the patient's ability to perform meaningful activities safely and independently.

12. Why Chiropractic Care Should Extend Beyond Pain Relief

A patient may experience reduced neck pain while continuing to demonstrate impaired movement control, dizziness, or reduced tolerance to everyday activities.

Conversely, some patients may have significant sensorimotor disturbances despite relatively modest pain.

These presentations demonstrate why pain intensity alone may provide an incomplete picture of recovery.

A comprehensive cervical assessment can consider several dimensions of function.

These may include cervical range of motion, strength, muscular endurance, joint position sense, movement coordination, relevant neurological findings, and balance.

Additional vestibular or oculomotor testing may be appropriate according to the patient's symptoms and examination findings.

However, more testing is not automatically better.

The clinical value of each assessment depends on whether it meaningfully informs diagnosis, treatment selection, prognosis, or monitoring.

For example, identifying reduced cervical movement control may help guide a specific exercise program.

Recognizing signs of a vestibular disorder may indicate the need for vestibular rehabilitation.

Detecting neurological warning signs may require medical referral rather than conservative treatment.

This approach supports individualized care instead of applying the same treatment protocol to every person with neck pain.

13. Special Considerations for Hypermobility and Complex Cervical Conditions

Some patients require additional precautions because of connective tissue disorders, joint hypermobility, neurological conditions, or suspected cervical instability.

A 2024 review published in Frontiers in Neurology, Neuraxial Biomechanics, Fluid Dynamics, and Myodural Regulation: Rethinking Management of Hypermobility and CNS Disorders, examines potential relationships among connective tissue properties, neural biomechanics, and complex neurological presentations.

The authors discuss conditions such as Ehlers-Danlos syndromes, craniocervical instability, cerebrospinal fluid disorders, and Chiari malformation.

This literature emphasizes the importance of individualized evaluation and multidisciplinary care.

However, many proposed biomechanical mechanisms remain incompletely validated.

The existence of an anatomical connection does not demonstrate that routine cervical manipulation can alter cerebrospinal fluid flow in a therapeutically useful manner or treat complex neurological disease.

For individuals with suspected instability or other serious cervical pathology, treatment selection must prioritize safety.

High-velocity cervical manipulation may be inappropriate when instability or relevant vascular, neurological, or structural contraindications are suspected.

In these circumstances, specialized medical evaluation and carefully selected rehabilitation strategies may be necessary.

14. Our Approach to Cervical Spine and Sensorimotor Health

Our chiropractic and functional movement philosophy recognizes that the cervical spine contributes to both musculoskeletal function and sensorimotor regulation.

Rather than evaluating neck pain exclusively through joint mobility or localized discomfort, we consider the broader functional presentation when clinically indicated.

For some patients, a conventional musculoskeletal assessment may provide sufficient information.

For others—particularly individuals experiencing persistent dizziness, movement intolerance, balance complaints, or symptoms following cervical trauma—additional neurological, oculomotor, vestibular, or sensorimotor assessment may be appropriate.

Our approach emphasizes a careful history, differential diagnosis, appropriate examination, and individualized treatment planning.

Depending on the clinical findings, care may involve chiropractic interventions, physiotherapy, therapeutic exercise, cervical motor control training, or other rehabilitation strategies within the clinician's training and scope of practice.

When vestibular, cardiovascular, neurological, or other medical conditions are suspected, we prioritize appropriate referral and collaborative management.

We also recognize that symptom improvement and functional recovery are not always identical.

Our objective is to help patients improve relevant impairments, restore confidence in movement, and develop the physical capabilities necessary for everyday function.

The goal is not simply to treat the neck as an isolated structure.

It is to understand when and how cervical function contributes to the patient's broader clinical presentation.

Conclusion: Understanding the Neck as Part of a Larger Sensorimotor System

The cervical spine plays an important role in human movement and spatial orientation.

Through its extensive proprioceptive system, it provides information that interacts with visual and vestibular signals to support head position awareness, eye movement coordination, and balance.

Research increasingly demonstrates that some individuals with persistent neck pain—particularly following trauma or when dizziness is present—exhibit measurable differences in sensorimotor function.

However, the causes of these findings are complex.

Neck pain does not automatically cause dizziness. An abnormal sensorimotor test does not establish a cervical diagnosis. And the effectiveness of different rehabilitation approaches varies according to the individual and the condition being treated.

These distinctions reinforce the importance of comprehensive clinical reasoning.

For appropriately selected patients, addressing cervical musculoskeletal impairments alongside relevant sensorimotor or vestibular deficits may offer a more complete rehabilitation strategy.

The value of a comprehensive chiropractic approach lies not in assuming the neck causes every associated symptom, but in recognizing its legitimate contribution to movement and sensory function—and knowing when to treat, when to investigate further, and when to collaborate with other healthcare professionals.

We believe this approach helps connect musculoskeletal care with contemporary neuroscience, functional rehabilitation, and individualized patient management.


Research References

  1. Särkilahti N, Hirvonen M, Lavapuro J, Takatalo J, Löyttyniemi E, Tenovuo O. Sensorimotor tests in patients with neck pain and its associated disorders: a systematic review and meta-analysis. Scientific Reports. 2024;14:12764. https://doi.org/10.1038/s41598-024-63545-3

  2. Kristjansson E, Treleaven J. Sensorimotor function and dizziness in neck pain: implications for assessment and management. Journal of Orthopaedic & Sports Physical Therapy. 2009;39(5):364–377. https://doi.org/10.2519/jospt.2009.2834

  3. De Hertogh W, Micarelli A, Reid S, Malmström EM, Vereeck L, Alessandrini M. Dizziness and neck pain: a perspective on cervicogenic dizziness exploring pathophysiology, diagnostic challenges, and therapeutic implications. Frontiers in Neurology. 2025;16:1545241. https://doi.org/10.3389/fneur.2025.1545241

  4. Is manual therapy effective for cervical dizziness? A systematic review and meta-analysis of randomized controlled trials. BMC Musculoskeletal Disorders. 2025. https://doi.org/10.1186/s12891-025-08899-z

  5. Mourad F, Giudice A, Maritati G, et al. A guide to identify cervical autonomic dysfunctions (and associated conditions) in patients with musculoskeletal disorders in physical therapy practice. Brazilian Journal of Physical Therapy. 2023;27:100495. https://doi.org/10.1016/j.bjpt.2023.100495

  6. Frost N, Barclay SJ. Neuraxial biomechanics, fluid dynamics, and myodural regulation: rethinking management of hypermobility and CNS disorders. Frontiers in Neurology. 2024;15:1479545. https://doi.org/10.3389/fneur.2024.1479545

  7. Stanton TR, Leake HB, Chalmers KJ, Moseley GL. Evidence of impaired proprioception in chronic, idiopathic neck pain: systematic review and meta-analysis. Physical Therapy. 2016;96:876–887. https://doi.org/10.2522/ptj.20150241

  8. Ruhe A, Fejer R, Walker B. Altered postural sway in patients suffering from non-specific neck pain and whiplash associated disorder: a systematic review of the literature. Chiropractic & Manual Therapies. 2011;19:13. https://doi.org/10.1186/2045-709X-19-13

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