Soft-tissue (and occasionally facet/ligamentous) injury from rapid cervical acceleration–deceleration. Screen thoroughly first; best-evidence management is active (education, reassurance, early movement). Manual therapy is an adjunct only.

_Whiplash-Associated Disorder (WAD)_

Summary

Pathology. WAD is a soft-tissue (and occasionally facet/ligamentous) injury from rapid cervical acceleration–deceleration, producing pain, guarding and reduced range. Best-evidence management is active: reassurance, education, early gentle movement and graded return, rather than rest or collars. Manual therapy is an adjunct for symptom relief only after red-flag and vascular/ligamentous screening.

Clinical presentation (signs & symptoms)

Neck pain and stiffness, reduced ROM, cervicogenic headache, upper-trapezius/shoulder pain, possible dizziness; onset often delayed hours–days after injury.

Assessment (Examination & Assessment)

Subjective

Mechanism (typically rear-end MVA/acceleration–deceleration); neck pain & stiffness, headache, possible upper-limb symptoms/dizziness; often delayed onset. Screen RED FLAGS. Pain scale. Grade (Quebec WAD 0–IV).

Objective

Cervical AROM (all planes — restricted/painful); palpation of upper traps, levator, SCM, suboccipitals; neuro screen (myotomes, dermatomes, reflexes) if radicular; upper-cervical ligament & VBI screening BEFORE any mobilisation.

Differentiate from

Cervical fracture (Canadian C-spine rule), cervical radiculopathy, concussion, vascular pathology.

Key special tests

| Test | What a positive result indicates | |---|---| | Canadian C-spine rule | clears or flags need for imaging (fracture) | | Vertebrobasilar insufficiency (VBI) screen | screens vascular risk BEFORE any mobilisation | | Upper-cervical ligament tests (Sharp-Purser, alar) | screens instability | | Cervical AROM (all planes) | range and pain assessment | | Neurological screen (myotomes/dermatomes/reflexes) | if radicular symptoms present |

Red flags & when to refer

Fracture or instability
Vertebrobasilar/vascular signs (dizziness, drop attacks, visual disturbance — the '5 D's')
Progressive neurological deficit
Cervical myelopathy signs
Severe unremitting pain

Contraindications & precautions

Screen and clear cervical fracture, VBI and upper-cervical instability BEFORE any mobilisation; avoid HVT/manipulation.
Dry needling in the neck: avoid the anterior/lateral triangles (vascular, pleura); strict depth control; consent & hygiene.
General: refer immediately on red flags (progressive neuro deficit, dizziness/vascular signs, severe unremitting pain).

Treatment protocol

Session structure & time scales

Pre-assessment + prep (10 min): red-flag & VBI/ligament screen, AROM, palpation.
Soft tissue — upper trap, levator, SCM, suboccipitals (10–12 min).
Gentle cervical mobilisations grade I–II (after screening) (5 min).
Thermal — heat for muscle guarding (5 min).
Gentle dry needling of trigger points — extreme caution/depth (6–8 min).
Active ROM education (5–8 min).
Reassessment + home advice (5 min).

Modalities & rationale

| Modality / technique | Rationale (why it is used for this pathology) | |---|---| | Soft tissue (upper trap/levator/SCM/suboccipitals) | reduces protective muscle guarding and cervicogenic headache. | | Gentle cervical mobilisations (grade I–II) | pain modulation only after VBI/ligament screening (Banks, 2013). | | Thermal (heat) | reduces guarding and eases movement (Watson, 2008). | | Dry needling (superficial, cautious) | eases trigger points — strict depth control in the neck (Sharkey, 2017). | | Active ROM & education | early gentle movement and reassurance — avoid rest/collar; the key evidence-based driver. |

Loading & exercise progression

Not a loading condition. Graded return to movement and activity; progress cervical AROM and functional tolerance. Avoid rest and collars.

Home care / self-management

Gentle active ROM, postural advice, heat for comfort, reassurance about favourable prognosis, gradual return to normal activity, avoid prolonged rest/collar use.

Outcome measures & re-assessment

Pain scale (NPRS 0–10) pre/post; headache trend.
Re-measure cervical AROM.
Reassess guarding on palpation.
Function/return to activity progress.

Anatomy reference

| Structure | Origin | Insertion | Action | |---|---|---|---| | Sternocleidomastoid (SCM) | sternum & medial clavicle | mastoid process & superior nuchal line | contralateral rotation, ipsilateral side-bend, bilateral flexion | | Upper trapezius | occiput, nuchal ligament, C7 spinous process | lateral clavicle & acromion | scapular elevation & upward rotation; neck extension | | Levator scapulae | transverse processes C1–C4 | superomedial border of scapula | elevates scapula; neck side-flexion | | Suboccipitals | C1/C2 (atlas/axis) | occiput | upper cervical extension & rotation | | Scalenes | transverse processes C2–C7 | 1st & 2nd ribs | neck side-flexion; accessory respiration |

Clinical reasoning (Q&A for the system)

_These question–answer pairs encode the expected clinical reasoning for this condition. Use them to justify decisions and to check generated plans._

Q: What must you screen and clear before any cervical mobilisation? A: Red flags/fracture (Canadian C-spine rule), vertebrobasilar insufficiency (VBI) and upper-cervical ligament/instability tests — and avoid HVT/manipulation.

Q: How would you grade and describe a whiplash presentation? A: Neck pain and stiffness, reduced ROM, cervicogenic headache, upper-trap pain and possible dizziness, often with delayed onset; graded on the Quebec WAD 0–IV scale.

Q: What is the best-evidence management approach for WAD? A: Active management: reassurance, education, early gentle movement and graded return to activity — avoid rest and collars. Manual therapy is an adjunct for symptom relief only.

Q: Give the action of sternocleidomastoid. A: Contralateral rotation and ipsilateral side-flexion; acting bilaterally it flexes the neck. O: sternum & medial clavicle; I: mastoid process/superior nuchal line.

Q: Which red flags would make you refer immediately? A: Progressive neurological deficit, vascular signs (dizziness, drop attacks, visual disturbance), or severe unremitting pain.

References

Banks, K. (2013) _Maitland's Peripheral Manipulation Management._ Elsevier.
Banks, K. (2013) _Maitland's Vertebral Manipulation Management._ Elsevier.
Sharkey, J. (2017) _The Concise Book of Dry Needling._ Lotus Publishing.
Watson, T. (2008) _Electrotherapy: Evidence Based Practice._ Elsevier.
Clarkson, H. M. (2013) _Musculoskeletal Assessment._ 3rd edn. Lippincott.
TODO: add a condition-specific loading-protocol reference (from module notes), Harvard format.

Whiplash