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PubMed1993

Subcutaneous sterile water injections for chronic neck and shoulder pain following whiplash injuries.

In many cases of whiplash injury symptoms persist and do not respond to treatment. There is uncontrolled evidence to suggest that intracutaneous injections of sterile water might help. Since that route may be unacceptable to patients the subcutaneous route is used in the randomised trial reported here. 40 patients with whiplash syndrome, mean age 46 years (24-73) were given subcutaneous injections of 0.3-0.5 ml sterile water or saline over tender and trigger points in the neck and shoulder. A maximum of three treatments were given during the first two months of the study and the patients were followed up for 8 months. The accidents had occurred 4-6 years previously. X-ray examinations revealed no traumatic spinal lesions. Neck mobility and pain levels were evaluated by a physiotherapist immediately before and after the first treatment and after 1, 3, and 8 months. After 3 months, the mean total mobility of the cervical spine had increased by 39 degrees in the sterile water group and 6 degrees in the saline group (p < 0.05). Minimum and maximum levels of pain in the weeks just before treatment were evaluated by a visual analogue scale from 0 to 10. After 3 months the minimum pain level had fallen from 2.2 to 1.4 in the sterile water group but was not reduced in the saline group (p < 0.02); the maximum had fallen from 8.1 to 3.8 in the sterile water group and from 8.3 to 7.5 in the saline group (p < 0.001). After 3 months, 19 of 20 patients in the sterile water group assessed their condition as generally improved but only 6 in the saline group felt that they had got better. After 8 months there were still significant differences for minimum pain score and for mobility but not for maximum pain or for self-assessment of improvement.

Adult↗
PubMed1975

[Whiplash injury (author's transl)].

The whiplash injury is the result of a collision from behind in the motorized street traffic. The impact in the rear of the vehicle causes a sudden thrust to of the head and cervical spine in dorsal direction. The result is a shear effect of the cervical spine. Pathologically, this is characterized by hematoma of the capsules of the joints of the vertebral arches and contents of intervertebral foramina. Tears of discs and vertebral fractures are usually absent. The prognosis is good.

Cervical Vertebrae↗
PubMed1995

Neurootological contributions to the diagnostic follow-up after whiplash injuries.

Only in 1992 we had to deal with about 197,731 cases of whiplash injuries due to traffic accidents on the roads of Germany. About 80% recover within a few months. However, about 15%-20% develop the so-called late whiplash injury syndrome with many complaints of the cervico-encaphalic syndrome including headache, vertigo, instability, nausea, tinnitus, hearing loss etc. The orthopedic as well as the radiological findings are mostly unsatisfactory with respect to the neurosensorial complaints. Therefore problems of evidence arise in compensation claims calling for additional neurootological medical expertise. When analysing 124 expert examinations of our patients suffering from late whiplash injury syndrome we found that the average case had already seen 3.83 medical experts elsewhere including 18 different medical specialities. At the most, we observed 17 expertise visits/case prior to the patients visit to us. In the present study we compared the results from 42 neurootological expertise cases with 206 cases of late whiplash injury syndrome, who only came for treatment purposes to our neurootological practice. Al our patients underwent a systematic history (NOASC I) and a functional neurootological, audiometric and equilibriometric examination. Thus we tried to assess the location and nature of the functional degeneration underlying the posttraumatic residual vertigo symptoms, etc. The objective and quantitative equilibrium investigations included several ENGs and an analysis of the cranio-corpo-gram, thus obtaining a record of the gait and standing patterns by means of a radar-like image of the marker tracings from the head and the shoulders during stepping and standing, as well as during bending, extending and turning the neck (computer CCG). Thus individual patterns of functional lesions in the neurootological pathways can simultaneously? objectively and quantatively be worked out for both the groups confirming the subjective complaints.

Adult↗
PubMed1997

Reflex jaw motions and jaw stiffness pertaining to whiplash injury of the neck.

Because a so-called mandibular whiplash injury requires the absence of short-latency jaw-closing reflexes in order to explain the postulated mechanism of injury (excessive jaw opening); the authors studied the presence and absence and more importantly, the kinematics (duration, displacement, velocity, acceleration) of monosynaptic and possibly, polysynaptic myotatic (stretch) reflexes in the jaw elevator muscles. In six healthy adults jaw jerk maneuvers were elicited through a brisk tap on the chin, and surface electromyography identified elevator reflexes while translational electrognathography identified the kinematics of the reflexes. The maneuvers were done while maintaining the rest position (3% MVC) and moderate clenching of the teeth (30% MVC). Electromyography was also used to identify phasic elevator excitations during a passive brisk neck extension maneuver. A sudden and unexpected elongation of the jaw elevators released autogenic reflex responses that, in conjunction with augmented tissue elasticity (stiffness), elevated the mandible into centric occlusion within approximately 150 milliseconds. In 86% of trials, the responses occurred regardless of the prevailing resting and clenching contractile activities. There was no evidence of a depressor force that consistently would and could anchor the mandible in a position of extreme or moderate depression, the theoretical linchpin of the mandibular whiplash injury. It was concluded that the mandibular locomotor system is very efficient in maintaining the rest and intercuspal positions of the mandible. This study found no evidence corroborating the mechanism claimed to release a so-called mandibular whiplash injury.

Acceleration↗
PubMed1992

Isolated amnesia following a bilateral paramedian thalamic infarct. Possible etiologic role of a whiplash injury.

A previously healthy 45 years old carpenter suffered a whiplash injury in a road accident on July, 18th, 1990. He continued to work in spite of occipital headache, episodic sweatening and slight hypersomnia. On August, 8th, 1990 while parking his car into the deck of a ferry-boat he was found slightly confuse and markedly amnestic. A post-traumatic subdural haematoma was suspected. As a CT-scan of the brain was normal, a toxic encephalopathy or an hysterical amnesia were proposed. However, a MRI performed on August, 22th, 1990, apart from a small infarct in the white matter of the left occipital lobe, showed two small bilateral paramedian thalamic infarcts. The last lesions usually follow a thrombotic or embolic occlusion of the "basilar communicating artery" (BCA) belonging to the vertebro-basilar system. The possible etiologic relationship between this syndrome and the previous whiplash injury has been considered. Six months later, while a control MRI showed a reduction of the brain lesions, a neuropsychological examination revealed a slight improvement of memory dysfunction evident also at a distance of further 6 months. This case is interesting because it tests the high sensitivity of MRI in amnestic syndromes and because of the possible role of a whiplash injury in the etiology of BPTI.

Amnesia↗
PubMed1995

Hyperextension strain or "whiplash" injuries to the cervical spine.

PURPOSE: To define "whiplash" radiologically. MATERIAL AND METHODS: A full cervical spine radiographic series (including flexion and extension views) was reviewed in 40 patients with clinically proven "whiplash" injuries and compared to the radiographs in 105 normal controls. The level and degree of kinking or kyphosis, subluxation, and the difference in the amount of fanning between spinous processes on flexion and extension films were measured in each patient. RESULTS: Localized kinking greater than 10 degrees and over 12 mm of fanning, often occurring at the level below the kinking or kyphosis, occurred mainly in the group of whiplash patients (sensitivity 81%, specificity 76%, accuracy 80%). CONCLUSIONS: Localized kinking greater than 10 degrees and fanning greater than 12 mm are useful measurements by which to separate patients with true whiplash injuries from those with minor ligamentous tears. Flexion and extension views are essential to help define whiplash and other ligamentous injuries of the cervical spine.

Adult↗
PubMed2003

Trunk sway measures of postural stability during clinical balance tests in patients with chronic whiplash injury symptoms.

STUDY DESIGN: Trunk sway occurring during clinical stance and gait tasks was compared between a group of subjects with a chronic whiplash injury, resulting from an automobile collision, and a normal collective. OBJECTIVES: To examine if population specific trunk sway patterns for stance and gait could be identified for chronic whiplash injury patients. SUMMARY OF BACKGROUND DATA: Our previous work has established that it is possible to identify specific patterns of stance and gait deficits for vestibular loss (both acute and compensated) patients and those with Parkinson's disease. Our question was whether it was possible to use the same stance and gait tasks to identify patterns of trunk sway differences with respect to those of healthy subjects and individuals with a chronic whiplash injury. METHODS: Twenty-five subjects with history of whiplash injury and 170 healthy age-matched control subjects participated in the study. Trunk sway angular displacements in chronic whiplash patients were assessed for a number of stance and gait tasks similar to those of the Tinetti and Clinical Test of Sensory Interaction and Balance (CTSIB) protocols. We used a lightweight, easy-to-attach, body-worn apparatus to measure trunk angular displacements and velocities in the roll (lateral) and the pitch (forward-backward) planes. RESULTS: Data analysis revealed several significant differences between the two groups. A pattern could be identified, showing greater trunk sway for stance tasks and for complex gait tasks that required task-specific gaze control such as walking up and down stairs. Trunk sway was less, however, for simple gait tasks that demanded large head movements but no task-specific gaze control, such as walking while rotating the head. CONCLUSIONS: Subjects who have a chronic whiplash injury show a characteristic pattern of trunk sway that is different from that of other patient groups with balance disorders. Balance was most unstable during gait involving task-specific head movements which possibly enhance a pathologic vestibulo-cervical interaction.

Abdomen↗
PubMed2001

The efficacy of conservative treatment in patients with whiplash injury: a systematic review of clinical trials.

STUDY DESIGN: A systematic review of the literature. OBJECTIVES: To assess the efficacy of conservative treatment in patients with whiplash injuries. SUMMARY OF BACKGROUND DATA: Many treatments are available for patients with whiplash injury, but there continues to be no evidence for their accepted use. METHODS: A computerized literature search of Medline, Embase, Cinahl, Psychlit, and the Cochrane Controlled Trial Register was performed. Studies were selected if the design was a (randomized) clinical trial; if all patients had sustained a whiplash injury; if the type of intervention was a conservative one; if pain, global perceived effect, and participation in daily activities were used as one of the outcome measures, and if the publication was written in English, French, German, or Dutch. The methodologic quality was independently assessed by two reviewers by using the Maastricht-Amsterdam list. Three quality scores were calculated using this criteria list: the Overall Methodologic Quality Score, the Internal Validity Score, and the Delphi Quality Score. The conclusion of the review was based on articles that scored a quality score of at least 50% of the maximum available score on two of three quality scores. RESULTS: Eleven studies met the inclusion criteria. Only three studies satisfied at least 50% on two of three ways of calculating a quality score, indicating overall poor methodology. There was a high rank correlation among the three ways of calculating a quality score. No statistical pooling was performed because of the heterogeneity of the interventions. This review indicates that active treatments show a beneficial long-term effect on at least one of the primary outcome measures. CONCLUSION: Caution is needed when drawing a valid conclusion on the efficacy of conservative treatments in patients with whiplash injury. It appears that "rest makes rusty," whereas active interventions have a tendency to be more effective in patients with whiplash injury.

Bed Rest↗
PubMed2004

[Diagnosis and therapy of acute complaints after "whiplash injury" in Germany. Results of a representative survey at surgical and trauma departments in Germany].

Whiplash injury of the cervical spine is a relevant medical and socioeconomic problem, which is still the subject of controversy. We performed a survey to evaluate the current status of diagnostics, classification, treatment, and doctors' subjective opinions at surgical and trauma departments in Germany. A total of 1568 hospitals were addressed to answer a standardized questionnaire on their proceedings and opinions concerning whiplash injury. We received 540 (34.44%) completed questionnaires. There was overall agreement concerning the need for physical examination. The radiological assessment included an a.p. and a lateral plain X-ray of the cervical spine in 82.6%. The indication for functional X-rays in flexion/extension was inconsistent. On average they were performed in 39.1% of all patients. In most cases (68.9%) whiplash injury was not classified; 13.2% of doctors used the classification according to the Quebec Task Force and 13.9% according to Erdmann. A cervical collar was prescribed in 85%. While 30% of patients received only a cervical collar, 55.6% underwent additional physiotherapy. Only 8.3% were treated by physiotherapy without immobilization. The doctors' subjective opinions indicated psychological factors to be important for long-lasting problems, but not for the acute period of complaints. There is no homogeneous concept for diagnostics, classification, and treatment of patients who suffered a whiplash injury in Germany. This situation reflects the current problems in management of this condition. Scientific evidence for functional treatment to avoid adverse influence of immobilization by cervical collars has not yet been transferred to our daily routine in Germany.

Germany↗
PubMed2001

Central hypersensitivity in chronic pain after whiplash injury.

OBJECTIVE: The mechanisms underlying chronic pain after whiplash injury are usually unclear. Injuries may cause sensitization of spinal cord neurons in animals (central hypersensitivity), which results in increased responsiveness to peripheral stimuli. In humans, the responsiveness of the central nervous system to peripheral stimulation may be explored by applying sensory tests to healthy tissues. The hypotheses of this study were: (1) chronic whiplash pain is associated with central hypersensitivity; (2) central hypersensitivity is maintained by nociception arising from the painful or tender muscles in the neck. DESIGN: Comparison of patients with healthy controls. SETTING: Pain clinic and laboratory for pain research, university hospital. PATIENTS: Fourteen patients with chronic neck pain after whiplash injury (car accident) and 14 healthy volunteers. OUTCOME MEASURES: Pain thresholds to: single electrical stimulus (intramuscular), repeated electrical stimulation (intramuscular and transcutaneous), and heat (transcutaneous). Each threshold was measured at neck and lower limb, before and after local anesthesia of the painful and tender muscles of the neck. RESULTS: The whiplash group had significantly lower pain thresholds for all tests. except heat, at both neck and lower limb. Local anesthesia of the painful and tender points affected neither intensity of neck pain nor pain thresholds. CONCLUSIONS: The authors found a hypersensitivity to peripheral stimulation in whiplash patients. Hypersensitivity was observed after cutaneous and muscular stimulation, at both neck and lower limb. Because hypersensitivity was observed in healthy tissues, it resulted from alterations in the central processing of sensory stimuli (central hypersensitivity). Central hypersensitivity was not dependent on a nociceptive input arising from the painful and tender muscles.

Adult↗
PubMed2001

Computational studies of 'whiplash' injuries.

The term 'whiplash' was initially used to describe injuries to the neck caused by the head being forced backwards during a rear-end collision in cars without head restraints. The addition of head restraints in the 1970s was expected to solve this problem by preventing excessive extension of the neck but experience suggests the problem still exists. This paper reviews available experimental studies of whiplash and uses the data to construct a finite element model which is capable of dynamically simulating whiplash collisions and predicting the forces in all the relevant neck ligaments. For the first time, it is shown that trauma occurs long before the head hits the head restraint as a result of displacement between the head and the torso caused by the head's inertia leading to markedly different acceleration histories. It is concluded that experimental and computational studies must be used together to produce progress in biomechanical studies.

Accidents, Traffic↗
PubMed2005

Risk factors for prolonged disability after whiplash injury: a prospective study.

STUDY DESIGN: A prospective study of 135 patients with whiplash injury. OBJECTIVES: To identify factors predictive of prolonged disability following whiplash injury. SUMMARY OF BACKGROUND DATA: Although patients with whiplash associated disorders lack demonstrable physical injury, many exhibit prolonged disability. Disability appears unrelated to the severity of the collision. METHODS: A total of 147 patients with recent whiplash injury were interviewed for putative risk factors for disability, and 135 were reinterviewed 12 months later to assess degree and duration of disability. Bivariate and multivariate analyses were undertaken to measure the association between putative risk factors and measures of outcome (change in Neck Pain Outcome Score [NPOS] and visual analogue pain score [VAPS], return to work, still requiring treatment, settlement of claim). RESULTS: The bodily pain score and role emotional scores of the Short Form-36 health questionnaire showed a consistent significant positive association with better outcomes. After adjustment for bodily pain score and role emotional scores, consulting a lawyer was associated with less improvement in NPOS (P < 0.05), but there was no association with change in VAPS. Consulting a lawyer was associated with a lesser chance of claim settlement (P < 0.01) and a greater chance of still having treatment (P < 0.01) after 1 year, but there was no significant association with a return to work. The degree of damage to the vehicle was not a predictor of outcome. CONCLUSIONS: Short Form-36 scores for bodily pain and role emotional are useful means of identifying patients at risk of prolonged disability. The findings support the implementation of an insurance system designed to minimize litigation.

Adolescent↗
PubMed1998

Mechanism of whiplash injury.

OBJECTIVE: To propose a different hypothesis of whiplash injury mechanism based on a series of experimental studies summarized in this communication. DESIGN: A series of biomechanical studies simulating whiplash trauma using isolated human cadaveric spine specimens. BACKGROUND: Whiplash injuries are on the rise as reported in several recent studies, due primarily to the increased traffic density. Although the symptoms associated with whiplash have been described, our understanding of the injury mechanism remains poor. The prevailing view of neck hyper-extension causing the injury has not been supported by recent experimental studies. METHODS: Eight fresh human cadaveric cervical spine specimens were prepared and traumatized to varying degrees under controlled conditions using a bench-top model of whiplash trauma. Before and after each trauma, the specimen was studied by functional radiography and flexibility test to document changes in the anatomic alignment and biomechanical properties at each level indicating injuries sustained. At the end of all testing, CT-scans, MRI and cryomicrotome images were obtained. During each trauma, relative motions of all intervertebral joints were recorded with a high speed movie camera. Elongations of the vertebral artery and several capsular ligaments were also monitored during the trauma using specially designed transducers. RESULTS: The hyper-extension hypothesis of injury mechanism was not supported by these studies. We found a distinct bi-phasic kinematic response of the cervical spine to whiplash trauma. In the first phase, the spine formed an S-shaped curve with flexion at the upper levels and hyper-extension at the lower levels. In the second phase, all levels of the cervical spine were extended, and the head reached its maximum extension. The occurrence of anterior injuries in the lower levels in the first phase was confirmed by functional radiography, flexibility tests and imaging modalities. The largest dynamic elongation of the capsular ligaments was observed at C6-C7 level during the initial S-shaped phase of whiplash. Similarly, the maximum elongation of the vertebral artery occurred during the S-shape phase of whiplash. CONCLUSION: We propose, based upon our experimental findings, that the lower cervical spine is injured in hyperextension when the spine forms an S-shaped curve. Further, this occurs in the first whiplash phase before the neck is fully extended. At higher trauma accelerations, there is a tendency for the injuries to occur at the upper levels of the cervical spine. Our findings provide truer understanding of whiplash trauma and may help in improving the diagnosis, treatment, and prevention of these injuries.

Journal Article↗
PubMed2004

Gender- and region-dependent local facet joint kinematics in rear impact: implications in whiplash injury.

STUDY DESIGN: Localized facet joint kinematics resulting from whiplash acceleration were analyzed in the dynamic domain during the time of cervical S-curvature using intact head and neck specimens and a pendulum mini-sled loading apparatus. OBJECTIVES: To determine the effects of gender, impact severity, cervical level, and anatomic joint region on shear and distraction motion of lower cervical facet joints. SUMMARY OF BACKGROUND DATA: Clinical and experimental studies identify cervical facet joints to be a likely location of whiplash injury. Epidemiologic studies report that female occupants sustain a greater percentage of whiplash injuries. Previous experimental studies have not analyzed facet joint motion as a function of variables such as gender. METHODS: Intact head and neck complexes were subjected to whiplash acceleration using a pendulum mini-sled apparatus at four impact severities. Facet joint kinematics were analyzed using digital high-resolution video at 1000 frames per second during the time of maximum cervical S-curvature. Shear and distraction motions were analyzed in the ventral and dorsal joint regions from C4-C5 to C6-C7 levels. Analysis of variance techniques were used to analyze biomechanical data. RESULTS: Intact head and neck complexes sustained cervical S-curvature during whiplash loading. Lower cervical facet joints demonstrated dorsally directed shear motion with distraction in the ventral and compression in the dorsal regions of the joint. Magnitudes of distraction and compression were significantly lower than shear motion (P < 0.05). Facet joint shear and distraction motion increased with impact severity. Lower cervical facet joint shear and distraction motions in female specimens were greater than in male specimens. This difference reached statistical significance at C4-C5 (P < 0.05). CONCLUSIONS: Secondary to whiplash loading, lower cervical facet joints responded with a shear plus distraction mechanism in the anatomic ventral and shear plus compression mechanisms in the dorsal region. Injury to the ventral region stems from tensile failure of the joint capsule. Injury to the dorsal region stems from pinching of the joint capsule or synovial fold and contact between subchondral bone of superior and inferior facet processes. Because excess spinal motion is biomechanically related to abnormalities and because lower cervical facet joints sustain greater motion in female specimens, this population is more likely to be injured under whiplash loading. Potential contributors for the susceptibility of females to injury, including genotypic (apolipoprotein APOE-epsilon4), hormonal, structural, and tolerance factors, are discussed.

Biomechanical Phenomena↗
PubMed2000

Haemodynamic changes in patients with whiplash injury measured by transcranial Doppler sonography (TCD).

The daily increasing number of cervical whiplash injuries presents ever-greater requirement for vertebrobasilar diagnostics. A cervical spine injury, which is quite frequent injury, may occur during a fall, or industrial, traffic, sport or war injury. Transcranial Doppler (TCD) sonography with Transcan 3-D EME device and 2 MHz probe was used for the assessment of vertebrobasilar circulation in patients with a whiplash injury of the cervical spine, that occurred mostly in car accident. This study includes 47 patients with clinically verified cervical spine trauma with x-ray evidence of no bone lesion. The patients were examined by TCD within a month, and then six months following the accident. The obtained values were compared to normal blood flow velocities and correlated with the severity of clinical picture. During the first month after the injury, statistically significant disturbances in the vertebrobasilar circulation were recorded, such as the increase in mean blood flow velocities in AVL (68%), AVR (62%) and BA (51%) (mostly as spasam). Six months later, normal findings were obtained in about 50% of the vessels, whereas in rest of the patients vasospasam persisted in one, two or all examined blood vessels. TCD of the vertebrobasilar circulation was found to be a very useful method in the diagnostics and follow-up of patients with a whiplash injury.

Adult↗
PubMed2000

Prognosis following a second whiplash injury.

Five percent of the population have suffered a whiplash injury. Of these, 43% suffer long-term symptoms. We undertook a retrospective study of 79 patients who had suffered two whiplash injuries. The severity of each patient's symptoms was assessed after the first and second injuries using the Gargan and Bannister classification. Overall, 84% of patients reported increased symptoms following the second injury. Ninety-seven percent of patients who had been symptom free before the second injury reported persisting discomfort.

Adult↗
PubMed2004

The possibility to use simple validated questionnaires to predict long-term health problems after whiplash injury.

STUDY DESIGN: A prospective follow-up study. OBJECTIVES: To evaluate the relation of the state of health before the accident and the significance of the symptoms reported soon after the injury to the situation 3 years after the injury. To evaluate the possibility of using simple validated questionnaires to predict long-term health problems after the injury. SUMMARY OF BACKGROUND DATA: A whiplash injury is generally benign in its natural course. However, some of the patients have diverse and prolonged symptoms. Although several prognostic factors have been suggested for the poor recovery, in most cases the factors leading to prolonged disability remain unclear. METHODS: In collaboration with traffic insurance companies, we gathered information of neck injuries that occurred in traffic accidents in Finland in 1998. After the insurance company received a notification of a neck injury and consent from the injured party to participate in the study, they sent the information to the research team. The first inquiry was sent to the patients as soon as possible. One- and three-year follow-up questionnaires were posted to those who responded to the first inquiry. A total of 144 persons returned the 3-year follow-up questionnaires and form the material of this study. RESULTS A poor state of health or frequent neck pain or headache before the accident did not have any significant relation to the poor outcome 3 years after the accident. The extent of neck pain and lower back pain reported soon after the accident was significantly associated to a poor outcome in the follow-up. The Neck Disability Index questionnaire was significantly related to the poor outcome after 3 years. CONCLUSIONS: The subjective experience of a notably decreased level of activity because of the neck pain when supplemented by the enhanced score of Neck Disability Index questionnaire predicts well poor outcome in long-term follow-up and can be used as a tool to identify persons who are at risk to suffer long-term health problems after whiplash injury.

Accidents, Traffic↗
PubMed2001

Headache, neck pain, and neck mobility after acute whiplash injury: a prospective study.

STUDY DESIGN: A 6-month prospective study of neck mobility in patients with acute whiplash injury and a control group with acute ankle distortion was conducted. OBJECTIVES: To assess active neck mobility after acute whiplash and ankle distortion injuries, and to relate neck mobility to headache, neck pain, and speed of car at the time of collision. SUMMARY OF BACKGROUND DATA: A major problem after whiplash injury is restriction of neck mobility immediately subsequent to trauma. It is, however, unclear whether neck mobility changes after the acute injury are related to the associated headache and neck pain. METHODS: Cervical range of neck motion, neck pain, and headache were assessed after 1 week, then 1, 3, and 6 months after injury in 141 patients with acute whiplash injury, and in 40 patients with acute nonsport ankle distortion. RESULTS: Patients with whiplash injury had significantly reduced flexion, extension, lateral flexion, and rotation of the neck immediately after injury, as compared with patients with ankle distortion injury. Neck mobility, however, was similar in the two groups after 3 months. In patients with whiplash injury, neck pain and neck mobility were found to be related inversely to reported headache and neck mobility. Neck mobility was not significantly related to a difference in car speed at the time of collision. CONCLUSIONS: Neck mobility is reduced immediately after, but not 3 months after, a whiplash trauma. Headache and neck mobility are related inversely and neck pain and neck mobility are related inversely during the first 6 months after acute whiplash injury.

Acute Disease↗