Cervical Myelopathy

Spine

Overview

Cervical myelopathy is a progressive neurological condition resulting from compression of the spinal cord in the cervical spine, causing motor weakness, sensory disturbance, and gait abnormalities. It represents a serious pathology requiring careful differential diagnosis and often specialist imaging and intervention. Early recognition is critical to prevent irreversible neurological damage.

Pathophysiology

Cervical myelopathy develops when structural narrowing of the cervical spinal canal compromises spinal cord function. Common causes include cervical spondylosis (degenerative disc disease and osteophytes), disc herniation, ligamentum flavum hypertrophy, and less commonly ossification of the posterior longitudinal ligament or spinal cord trauma. The compression causes direct mechanical injury, impairs microvascular circulation, and triggers inflammatory cascades leading to demyelination and axonal loss. Chronic compression results in progressive neuronal dysfunction and irreversible damage if untreated.

Patient Education

Early recognition and appropriate medical referral are essential—cervical myelopathy can cause permanent neurological damage, so patients must understand the importance of imaging and specialist evaluation to prevent progression.

Typical Presentation

Site

Cervical spine with radiating symptoms into upper extremities, trunk, and lower extremities; symptoms often bilateral and asymmetrical

Quality

Numbness, tingling, weakness, clumsiness of hands; may report heaviness in limbs, electric shock sensations; gait disturbance described as stiffness or loss of coordination

Intensity

Highly variable; ranges from mild subtle symptoms to severe progressive functional loss; often insidious onset with gradual deterioration

Aggravating

Neck extension, overhead activities, prolonged neck positioning, sometimes neck flexion-extension movements; symptoms may progress gradually over weeks to months

Relieving

Neck flexion may temporarily ease symptoms in some cases; symptoms often present at rest and worsen with activity or positional stress

Associated

Hand clumsiness, difficulty with fine motor tasks, gait imbalance, lower extremity weakness, bowel/bladder dysfunction (severe cases), hyperreflexia, positive Hoffmann's sign, positive Lhermitte's sign, spasticity, loss of proprioception

Orthopaedic Tests

Lhermitte's Sign

Procedure

Patient sits or stands with neck in neutral. Examiner passively flexes the patient's neck. A positive response is an electric shock-like sensation radiating down the spine into the limbs.

Positive Finding

Reproduction of electric shock-like paresthesias radiating into the trunk or limbs with neck flexion

Sensitivity / Specificity

null / null

Interpretation

Highly suggestive of cervical myelopathy; indicates spinal cord irritation or compression. However, not pathognomonic—can occur in demyelinating diseases, post-radiation changes, or other spinal pathology

Romberg Test (Standing Balance)

Procedure

Patient stands with feet together, eyes open initially, then closed for 20–30 seconds. Examiner observes for loss of balance or excessive sway.

Positive Finding

Marked loss of balance, significant sway, or inability to maintain position, particularly with eyes closed

Sensitivity / Specificity

Unknown / Unknown

Interpretation

Suggests proprioceptive or dorsal column dysfunction consistent with cervical myelopathy; indicates need for further investigation. Not specific to myelopathy alone

Upper Limb Tension Test (ULTT)

Procedure

Patient supine; examiner abducts and externally rotates the shoulder, extends the elbow, and extends the wrist and fingers. Neck can be moved into side-bending or contralateral flexion to bias neural tension.

Positive Finding

Reproduction of radicular pain, paresthesia, or motor weakness; asymmetry compared to contralateral side; reduced range of motion

Sensitivity / Specificity

Unknown / Unknown

Interpretation

May indicate neural compromise or nerve root irritation; helps differentiate nerve root compression from myelopathic patterns. Limited specificity for myelopathy

Finger Escape Sign

Procedure

Patient holds both hands in front of chest with fingers extended and adducted for 20–30 seconds while the examiner observes for involuntary finger dropping or loss of position.

Positive Finding

Unilateral or bilateral involuntary finger dropping or inability to maintain finger position and adduction

Sensitivity / Specificity

35%–65% / 80%–95%

Hirayama et al., 1966; Nurick, 1976; Cook et al., 2010, Spine

Interpretation

Suggests intrinsic hand muscle weakness due to cervical myelopathy (typically C8–T1 involvement). High specificity makes it a useful screening sign for myelopathic dysfunction

Inverted Supinator Sign

Procedure

Patient's arms are positioned with elbows flexed and forearms pronated. Examiner percusses or taps the brachioradialis tendon while observing for reflex response.

Positive Finding

Flexion of fingers instead of forearm supination (inverted response); absence of normal supinator reflex with preservation or exaggeration of finger flexion reflex

Sensitivity / Specificity

25%–40% / 85%–95%

Nurick, 1976; Hirayama et al., 2000; Cook et al., 2010, Spine

Interpretation

Indicates C5–C6 myelopathy with disruption of supinator reflex pathway and relative hyperreflexia of finger flexors. Highly specific but low-to-moderate sensitivity

Hoffmann's Sign (Hyperreflexia of Finger Flexors)

Procedure

Patient's hand is supported in relaxed, semi-extended position. Examiner flicks the tip of the middle finger downward with thumbnail or gentle percussion.

Positive Finding

Involuntary flexion (snap) of the thumb and/or index finger in response to the flick; asymmetry compared to contralateral hand suggests pathology

Sensitivity / Specificity

40%–60% / 70%–90%

Nurick, 1976; Uchihara et al., 1994; Cook et al., 2010, Spine

Interpretation

Suggests hyperreflexia from upper motor neuron involvement consistent with cervical myelopathy. Must be interpreted with caution as it can be present in normal individuals; asymmetry is more clinically significant

⚠ Red Flags

  • •Progressive myelopathic symptoms with objective neurological deficit including weakness, hyperreflexia, or pathological reflexes
  • •Lhermitte's sign: electric shock sensation with neck flexion suggesting spinal cord involvement
  • •Gait disturbance, ataxia, or loss of coordination affecting safety and function
  • •Bowel or bladder dysfunction suggesting spinal cord involvement
  • •Severe progressive neurological decline over days to weeks
  • •Fever, night sweats, or unexplained weight loss suggesting infection or malignancy

⚡ Yellow Flags

  • •High health anxiety or catastrophizing regarding neurological symptoms
  • •Severe functional limitation affecting employment or activities of daily living
  • •Poor social support or isolation potentially delaying medical intervention
  • •Delay in seeking medical review despite worsening neurological symptoms due to health system avoidance
  • •Depression or anxiety comorbidity affecting rehabilitation adherence
  • •Litigation or compensation claims influencing symptom reporting

Osteopathic Techniques

Region

Cervical spine—mid to lower cervical segments (C4-C7)

Technique

Soft Tissue

Rationale

Gentle soft tissue mobilization to cervical paraspinal muscles and upper trapezius reduces muscular guarding and excessive tone that may exacerbate spinal cord compression; improves local circulation without imposing mechanical stress on the compressed cord

Region

Cervical spine—suboccipital region and upper cervical segments

Technique

Soft Tissue

Rationale

Suboccipital soft tissue release addresses upper cervical tension and improves cerebrospinal fluid dynamics; reduces tension in muscles innervated by upper cervical nerves, supporting overall cervical mobility without aggressive manipulation

Region

Thoracic spine and thoracic outlet

Technique

Articulation

Rationale

Gentle thoracic articulation and mobilization addresses compensatory restrictions in the thoracic spine and thoracic outlet, reducing neurogenic tension and improving drainage through upper thoracic and supraclavicular lymphatic pathways

Region

Cervical spine—gentle articulation of non-compressed segments

Technique

Articulation

Rationale

Very gentle, pain-free articulation of cervical segments above and below the myelopathy level maintains segmental mobility without compressing the affected cord; supports cerebrospinal fluid circulation and reduces secondary dysfunction

Region

Cranial structures—vault and base of skull

Technique

Cranial

Rationale

Gentle cranial osteopathy, particularly working with the sphenoid and temporal bones, supports improved cerebrospinal fluid dynamics and may reduce intracranial pressure; also addresses vagal tone to support nervous system resilience

Region

Lymphatic system—upper thoracic and cervical drainage pathways

Technique

Lymphatic

Rationale

Gentle lymphatic drainage techniques enhance immune clearance and reduce inflammatory burden in affected regions; supports parasympathetic nervous system function and tissue healing without imposing mechanical stress

Add-On Approaches

Chinese Medicine

Traditional Chinese Medicine approaches focus on addressing 'qi stagnation' and 'blood stasis' in the cervical channels. Acupuncture points such as GV14 (Dazhui), GV4 (Mingmen), and local cervical points (GV13, GV12, GV11) may be used to improve circulation and reduce inflammation. Moxibustion applied carefully over thoracic and cervical regions (avoiding direct heat on the spinal cord) may support qi circulation. However, aggressive manipulation is contraindicated in myelopathy.

Chiropractic

Chiropractic care must be approached with extreme caution in cervical myelopathy. High-velocity low-amplitude (HVLA) manipulation is generally contraindicated due to risk of worsening spinal cord compression and neurological deterioration. Gentle mobilization and soft tissue work may be appropriate as adjunctive therapy, but any chiropractic approach must be conservative and coordinated with medical oversight.

Physiotherapy

Physiotherapy is essential for cervical myelopathy management. Focus on cervical stabilization exercises, scapular strengthening, postural education, and functional task training. Proprioceptive neuromuscular facilitation (PNF) and balance training address gait disturbance and proprioceptive loss. Therapists must avoid aggressive stretching or manipulation and emphasize compensatory motor control and fall prevention strategies.

Remedial Massage

Remedial massage addressing cervical paraspinal muscles, upper trapezius, and levator scapulae may reduce muscular guarding and improve local circulation. Gentle cross-friction techniques may address secondary myofascial dysfunction without imposing mechanical stress on the spinal cord. Trigger point release should be very gentle to avoid exacerbating neurogenic pain or symptoms.

Rehabilitation Exercises

Gentle Cervical Flexion-Extension Within Pain-Free Range

Range of MotionBeginner

Gentle Cervical Lateral Flexion (Ear to Shoulder) in Neutral

Range of MotionBeginner

Gentle Cervical Rotation in Midrange

Range of MotionBeginner

Upper Trapezius Stretch (Gentle Contralateral Lateral Flexion)

StretchingBeginner

Suboccipital Release (Chin Tucks in Gentle Flexion)

StretchingBeginner

Cervical Isometric Holds (Neutral Position Resisted Contraction—All Directions)

StrengtheningBeginner

Scapular Retraction and Depression (Prone on Elbows or Seated)

StrengtheningIntermediate

Prone Cervical Stabilization (Quadruped Position with Gentle Neck Holds)

StrengtheningIntermediate

Proprioceptive Training—Standing with Eyes Closed (If Safe) or Tandem Stance

BalanceIntermediate

Gait Training with Proprioceptive Focus—Walking with Varied Surfaces (Within Safety Limits)

BalanceIntermediate

Postural Awareness Training—Cervical Neutral Positioning Throughout Daily Activities

PosturalBeginner

Desk Ergonomics and Activity Modification—Workstation Setup and Pacing Strategies

PosturalBeginner

Referral Criteria

  • •Any suspicion of cervical myelopathy based on clinical presentation or examination findings (positive Hoffmann's sign, Lhermitte's sign, hyperreflexia, bilateral symptoms, gait disturbance)
  • •Progressive neurological symptoms despite conservative management over 2-4 weeks
  • •Objective weakness in upper or lower extremities with evidence of upper motor neuron signs
  • •Bowel or bladder dysfunction suggesting spinal cord involvement
  • •Gait disturbance or ataxia affecting safety and activities of daily living
  • •Severe pain unresponsive to conservative management
  • •Any red flag symptoms including fever, unexplained weight loss, night sweats, or trauma history
  • •Requirement for imaging (MRI cervical spine) to confirm diagnosis and assess degree of cord compression
  • •Consideration for specialist neurosurgical or orthopedic spine consultation if imaging confirms myelopathy
  • •Failure to improve or deterioration with conservative osteopathic and physiotherapy management after 4-6 weeks
  • •Patient with significant functional limitation or neurological compromise warranting urgent specialist input
  • •Consideration of surgical intervention if imaging shows severe cord compression with progressive neurological deficit