Yellow Flags and Chronic Neck Pain: Which Post-Traumatic Stress Disorder Symptoms are Associated with Chronic Neck Pain in Individuals Involved in Motor Vehicle Crashes?

Reviewed by Maggie McPherson, SPT

Article:

Post-traumatic stress symptom clusters in acute whiplash associated disorder and their prediction of chronic pain-related disability published in Pain Reports.
DOI: 10.1097/PR9.0000000000000631

Current research shows that Post-traumatic Stress Disorder (PTSD) is related to Whiplash Associated Disorder (WAD) and chronic neck pain. These authors set out to determine which specific PTSD symptoms are more predictive of chronic neck pain in individuals suffering from WAD due to a MVC. The authors examined a sample of 146 individuals with an acute, painful whiplash injury from a MVC. They monitored neck pain symptoms using the Neck Pain Disability Index (NDI), and any potential PTSD symptoms with the Post-traumatic Stress Diagnostic Scale (PDS). These items were assessed at baseline (within 1 month of injury) and again 6 months later. Thirty percent of the participants met the threshold for a PTSD diagnosis, and the remaining 70% had symptoms of PTSD but did not qualify for the full diagnosis.

A confirmatory factor analysisa was performed to determine separate clusters of symptoms on the PDS that could potentially affect neck pain. The results showed two clusters, one deemed the “re-experience/avoidance” cluster and the other the “hyperarousal/numbing” cluster. The avoidance cluster of symptoms included recurrent recollections, recurrent dreams, reliving trauma, psychological distress, physiological reactivity, avoiding thoughts, behavioral avoidance, hypervigilance, and exaggerated startle response. The hyperarousal cluster symptoms included diminished interest in activities, sense of foreshortened future, difficulty sleeping, difficulty concentrating, detachment from others, restricted affect, irritability and anger.

The results of the study showed that the hyperarousal/numbing cluster was the only cluster of symptoms associated with long-term neck pain1. The authors theorized as to why this might be the case. They discussed how inactivity and sleep deprivation could potentially stem from the hyperarousal symptoms. For example, diminished interest in activity, difficulty concentrating, and irritability could all impact the individual’s ability to work, leading to more inactivity. Additionally, difficulty sleeping is a symptom that could understandably lead to increased pain and decreased levels of activity.

However, the authors noted the apparent “non-specificity” of the hyperarousal cluster’s symptoms– meaning they are a group of symptoms that appear in various mental health disorders and are not necessarily specific to PTSD. In contrast, they labeled the avoidance cluster symptoms as typically “specific” to PTSD and not appearing in many other mental health disorders. Therefore, if the hyperarousal cluster of symptoms are present in a patient, one must be careful not to assume PTSD is present. The symptoms could simply be a result of the physical whiplash injury itself, and not stemming from any psychological trauma. More research is needed to be certain.

In conclusion, symptoms such as diminished interest in activities, difficulty sleeping, difficulty concentrating, detachment, irritability and anger may be present in individuals suffering from neck pain after an injury. These symptoms may stem from psychological trauma accompanying the injury, or could perhaps be normal, expected coping mechanisms for neck pain. Regardless, these particular symptoms are indicative of a longer prognosis of recovery and may warrant consideration for referral to a psychologist.

Footnote:

a. Confirmatory factor analysis: “a technique used to analyze the efficacy of measurement models where the number of factors and their direct relationship is specified” In this case, it was done to determine which particular symptoms have similar elements and are likely to have similar effects on neck pain and dysfunction.

References:

Maujean A, Gullo MJ, Andersen TE, Ravn SL, Sterling M. Post-traumatic stress symptom clusters in acute whiplash associated disorder and their prediction of chronic pain-related disability. Pain Rep. 2017;2(6):e631. Published 2017 Nov 27. doi:10.1097/PR9.0000000000000631

Price LA, Confirmatory factor analysis: foundations and extensions. International Encyclopedia of Education (Fourth Edition), Elsevier. Published 2023. 607-618. doi:10.1016/B978-0-12-818630-5.10016-8.

Effectiveness of Exercise Therapy and Manipulation on Sacroiliac Joint Dysfunction

Reviewed by Tyler Tice, PT, DPT, OCS, ATC

Article: 

Effectiveness of Exercise Therapy and Manipulation on Sacroiliac Joint Dysfunction: A Randomized Controlled Trial

Introduction: 

Sacroiliac joint dysfunction (SIJD) is a possible cause of lower back pain that can sometimes be overlooked by clinicians.  This randomized control trial sought to help develop therapeutic guidelines for the treatment of SIJD  by comparing the efficacy of Exercise therapy and manipulation therapy in the treatment of SID. 

Methods: 

In this study 51 participants were divided into three groups; exercise therapy, manipulation therapy or a combination of both.  The exercise group received posterior innominate self-mobilization, sacroiliac joint stretching and spinal mobilization exercises.   The manipulation therapy group underwent posterior innominate mobilizations as well as sacroiliac joint manipulations.  The third group received mobilizations and manipulations followed by exercises.  The three groups were assessed for pain and disability at 6, 12, and 24 weeks.

Results: 

All three groups demonstrated significant improvements following interventions.  The difference in effectiveness of each intervention was a function of time.  At 6 weeks the manipulation intervention group experienced the most relief in symptoms, however at the 12-week mark, the exercise intervention group experienced the most relief.  Interestingly, there was no significant difference between the groups at 24 weeks. 

Discussion/Clinical Utility: 

This is an interesting study as it demonstrates what approaches are likely to be effective at different stages of healing, but it does have some limitations.  The follow up is short and there was no true control group, as at the time this was written, the authors state that there is currently no standard of treatment for SIJD.  I would be curious to see what the difference would be for a group using only pharmacological or surgical interventions. 

              Despite its limitations, there are lessons to be learned from this study.  The fact that all three groups had similar outcomes at 24 weeks demonstrates that multiple treatment approaches have efficacy.  Clinically this is useful because if a patient is unable to receive manual intervention, there is evidence that they can still receive similar benefit from exercise interventions.  Likewise, if a patient is in too much pain to perform exercises, they will likely still experience a benefit from manual intervention. 

              Based on the information presented, the best approach is to provide treatment that uses manual therapy as well as exercise therapy.  The manual therapy helps to provide a quicker benefit in the early stages of healing and the exercise therapy helps to provide ongoing benefits as the episode of care progresses.  Transitioning from a manual based approach to a more exercise-based approach is useful because manual therapy is effective in relieving symptoms early on but may lead to the patient being dependent on their therapist.  Exercise interventions allow the patient to effectively treat their own symptoms and manage if they get symptoms in the future. 

References

              Nejati P, Safarcherati A, Karimi F. Effectiveness of Exercise Therapy and Manipulation on Sacroiliac Joint Dysfunction: A Randomized Controlled Trial. Pain Physician. 2019 Jan;22(1):53-61. PMID: 30700068.

Risk Factors for Running-Related Injuries in Adolescent Runners

Reviewed by Maggie McPherson, SPT

Article:

Intrinsic and extrinsic factors contributing to running-related lower limb injuries among adolescent runners published in Journal of Sport Sciences. DOI: 10.1080/02640414.2022.2163353

Introduction:

Lower extremity injuries are growing increasingly prevalent in adolescent runners. There is current research available that identifies several risk factors for running related injuries such as increased Q-angle, leg-length discrepancies, the female sex, and being of 11-13 years of age. These factors are difficult or impossible to alter and therefore cannot help inform proper injury prevention training guidelines for adolescent runners. These authors endeavored to determine potentially alterable risk factors for running-related injuries in order to better inform training guidelines for this population.

Methods:

The authors conducted a retrospective cross-sectional study of data from a hospital-based injury prevention clinic. They identified adolescent runners who reported running related injuries on their evaluation forms and collected data points regarding specific risk factors. The authors looked at demographic variables, sport participation, history of  injury, training intensity and frequency, intention to lose weight, BMI, Q-angle, leg length discrepancy, lower extremity range of motion, lower extremity strength, lower extremity muscular endurance, average hours of sleep, total hours of running per week, weight training, and consumption of diet soda drinks.They collected data on 130 adolescents athletes and determined which athletes sustained a lower extremity running-related injury. A statistical analysis was performed to understand if a correlation was present between each individual variable and running-related injuries.

Results:

The results showed an intention to lose weight (p=.01) and the female sex (p=.18) as the highest predictors of running-related injuries in adolescent runners, followed by hip abduction strength (p=.17) and reduced hours of weekday sleep (p=.19).

Discussion:

These results can help to inform injury prevention as three of these four variables are alterable. The authors discuss the prevalence of repetitive stress injuries in adolescent runners and how insufficient diet can contribute to poor recovery. Encouraging young athletes to consume a diet that can sustain their level of activity may be an important step towards injury prevention. Reduced hours of sleep additionally could contribute to poor recovery after exercise and is another alterable factor to help adolescents avoid running-related injuries. Finally, hip abduction strength was an expected risk factor for running-related injuries given the hip musculature’s contribution to proper lower extremity kinematics, stability, and shock absorption. This again, is an easily alterable factor for an injury prevention program.

References:

DeJong Lempke AF, Whitney KE, Collins SE, dHemecourt PA, Meehan WP. Intrinsic and extrinsic factors contributing to running-related lower limb injuries among adolescent runners. Journal of Sports Sciences. 2022;40(22):2468-2474. Accessed August 12, 2024. https://research.ebsco.com/linkprocessor/plink?id=14d4d113-1942-3f62-a0e2-7fc6e8d022a8

Neck Pain: Clinical Practice Guidelines Linked to the International Classification of Functioning, Disability, and Health from the Orthopaedic Section of the American Physical Therapy Association

Reviewed by Tyler Tice, PT, DPT, OCS, ATC

Article:

Neck Pain:  Revision 2017 Clinical Practice Guidelines Linked to the International Classification of Functioning, Disability and Health from the Orthopaedic Section of the American Physical Therapy Association

Introduction:

The orthopaedic section of the American Physical Therapy Association (APTA) published these clinical practice guidelines in 2017 to give recommendations to clinicians in the differential diagnosis, assessment and treatment of neck pain. 

              These recommendations are designed to fit into the International Classification of Functioning, Disability, and Health (ICF model) that was introduced by the World Health Organization (WHO) to improve clinician’s ability to appropriately treat and communicate with patients by including pathoanatomical, psychosocial and societal factors when assessing a patient’s wants and needs. 

Methods: 

Content experts were appointed by the orthopedic section of the APTA to search the current literature for articles relating to the treatment, assessment and diagnosis of neck pain.  Articles included were taken from PubMed, Cochrane Library, Web of Science, CINAHL, ProQuest Dissertations and Abstracts, PEDro, ProQuest Nursing and Allied Health Sources, and Embase with dates ranging from 2007 to 2016. 

              The chosen articles were then categorized based on level of evidence where I represented the highest quality evidence and V represented expert opinion.  After the evidence was reviewed and ranked, the experts developed and ranked recommendations utilizing the information.  A ranked recommendations were based on strong evidence while F ranked recommendations were based on expert opinion.  These recommendations were further categorized into the following content areas; pathoanatomical features/differential diagnosis, Imaging, Examination, Diagnosis/classification, and interventions.  These recommendations are further divided based on the type of neck pain the patient is presenting with; neck pain with mobility deficits, neck pain with movement coordination impairments, neck pain with headaches, and neck pain with radiating pain.    

Results: 

After reviewing the available literature, the authors made the following recommendations: 

              Clinicians should perform assessments on patients to screen for serious pathology and refer to other providers when necessary. 

              Clinicians should use validated self-reported outcome measures to assess and track patient pain, status, and physical/psychological function throughout an episode of care. 

              Clinicians should use easily reproducible activity limitation and participation restriction measures to assess patient function throughout an episode of care.

              Clinicians should use assessments of body impairments to determine if a patient has one of the following; (1)neck pain with mobility deficits (cervical active range of motion), (2)neck pain with headache (cervical active range of motion, the cervical flexion-rotation test, upper cervical segmental mobility testing), (3)neck pain with radiating pain (neurodynamic testing, spurling’s test, distraction test, the Valsalva test), (4)neck pain with movement coordination impairments (cranial cervical flexion and neck flexor endurance test.)

              To effectively classify patients into one of the 4 neck pain designations, clinicians should use cervical motion limitations, thoracic motion limitations, presence of cervicogenic headache, history of trauma and referred or radiating pain into an upper extremity.

Interventions for neck pain with mobility deficits:

              For patients with acute neck pain clinicians should use thoracic manipulation, a program to improve neck ROM, and scapulothoracic and upper extremity strengthening.  Clinicians may provide cervical manipulations and/or mobilization.

              For patients with subacute neck pain clinicians should use neck and shoulder girdle endurance exercises and may provide thoracic and cervical manipulations/mobilizations.

              For patients with chronic neck pain clinicians should employ a multimodal approach including thoracic and cervical manipulations/mobilizations, mixed exercises for the cervical and scapulothoracic regions, dry needling, laser therapy, and intermittent manual or mechanical traction. 

              Clinicians may provide neck, shoulder girdle and trunk endurance exercises and patient education.  Patients should be encouraged to have an active lifestyle and to address psychosocial factors.

Interventions for neck pain with movement coordination impairments

              For patients with acute neck pain clinicians should educated their patients on returning to normal, nonprovocative pre-accident activities as soon as possible, minimize the use of a cervical collar, and perform postural and mobility exercises to decrease pain and increase range of motion.  Patients should be advised that recovery is expected within the first 2-3 months. 

              Clinicians should employ a multimodal approach including manual interventions and exercise programs.  For patients at low risk of developing chronic symptoms, clinicians may provide a single session consisting of education, a detailed exercise program and TENS treatment.  Clinicians should monitor recovery status for signs of chronicity.

              For patients with chronic neck pain clinicians may provide manual interventions, patient education focused on encouragement and exercise programs that utilize concepts from cognitive behavioral therapy. 

Interventions for neck pain with headaches

              For patients with acute neck pain clinicians should provide active mobility exercises as well as C1/C2 self-sustained natural apophyseal glide (SNAG) exercises. 

              For patients with subacute neck pain clinicians should provide cervical manipulation/mobilization as well as SNAG exercises. 

              For patients with chronic neck pain clinicians should provide cervical or cervicothoracic manipulation/mobilization combined with exercises for range of motion, strength and endurance.

Interventions for neck pain with radiating pain

              For patients with acute neck pain clinicians may provide mobilizing and stabilizing exercises, laser treatments, and short-term use of a cervical collar.

              For patients with chronic neck pain clinicians should employ a multimodal approach including mobilization/manipulation, exercise interventions and mechanical intermittent traction.  Clinicians should encourage participation in occupational and exercise activities. 

Discussion and clinical utility: 

This CPG does and excellent job of providing different intervention approaches based on different patient presentations.  Neck pain is variable and sometimes inconsistent, therefore it is important to adjust interventions based on a patient’s current presentation. 

              It is also important to note the emphasis on educating patients to remain active.  Many of the stated interventions involve increasing range of motion in the apophyseal joints of the cervical and thoracic spine.  The challenge is that when in pain, it can be counterintuitive for patients to continue mobilizing those areas.  Encouraging an active lifestyle is a good way of ensuring that benefits introduced during a therapy session continue to have carry over into a patient’s day to day life.

References

Neck Pain: Revision 2017 Peter R. Blanpied, Anita R. Gross, James M. Elliott, Laurie Lee Devaney, Derek Clewley, David M. Walton, Cheryl Sparks, and Eric K. Robertson Journal of Orthopaedic & Sports Physical Therapy 2017 47:7, A1-A83

An Evidence-Based Clinical Commentary for Treating Patients with Hypermobile Ehlers-Danlos Syndrome or a Hypermobility Spectrum Disorder

Reviewed by Maggie McPherson, SPT

Article:

An Evidence-Based Clinical Commentary for Treating Patients with Hypermobile Ehlers-Danlos Syndrome or a Hypermobility Spectrum Disorder published in Orthopaedic Physical Therapy Practice

Dr. Joseph Signorino, DPT, DSc, Dr. Samuel Bikkers, DPT, and Dr. Kate Divine, DPT put together this clinical commentary to guide physical therapy treatment of individuals with Ehlers-Danlos Syndrome (EDS) or Hypermobility Spectrum Disorder (HSD). They worked to combine evidence-based interventions with their own clinical expertise and clinical reasoning to provide coherent guidelines. The main principles of their commentary included options for monitoring and addressing common symptoms and deficits seen in individuals with EDS and HSD, the importance of education and empathy, the incorporation of the pelvic floor, and some helpful insights into the role of manual therapy for individuals with EDS or HSD.

Some of the common barriers to efficient and pain free movement patterns for individuals with EDS or HSD are identified by the authors as pain, fear of movement, fatigue, and decreased proprioception. Advised interventions to modulate pain perception and decrease fear of movement included education and empathy, graded exposure, progressive resistive exercise (PRE) beginning with gentle isometrics, and aerobic exercise between 40-75% VO2max or at a Borg RPE rating of 13. Aerobic exercise and PRE with isometrics were also recommended as interventions to address fatigue. The authors underlined that since fatigue and pain are common side effects of both resistive and aerobic exercise, clinicians should ensure they are properly dosing exercise interventions, and may need to considerably scale down their resistance depending on how the individual presents. Hence, these authors recommend graded exposure: a gradual progression from isometrics, to multi angle isometrics, to isotonics with gradual progression to resisted movements in multiple planes according to the functional needs of the individual. Additionally, the authors note it is important to be aware of vascular presentations of EDS that need to be seriously considered when dosing any sort of exercise.

Another intervention the authors addressed was manual therapy. While traditionally manual therapy is seen as a means to improve joint mobility and flexibility, which is typically not the goal for the individual with EDS or HSD, the authors identify other potential benefits. They highlight commonly cited effects of manual therapy including changes in pain perception and modulation of the autonomic nervous system which could be beneficial to address pain and kinesiophobia. Regarding proprioception deficits, the authors mention taping, compression garments,  and motor control interventions as potential options for treatment.

Pelvic floor dysfunction is another common symptom that these individuals experience. The authors discussed interventions such as scheduled voiding, urgency strategies, education, and pelvic floor strengthening to mitigate organ prolapse. Here the authors also took time to talk about the importance of education and empathy. They found that individuals with EDS consistently report feeling that their health care providers do not have a good understanding of their condition and do not empathize with their symptoms. Each individual with EDS has a unique presentation, but a solid understanding of the nature of syndrome can help guide clinicians to appropriate treatment strategies.

Clinical Bottom Line:

These authors emphasize a personalized approach, carefully considering graded exposure and pain modulation to address kinesiophobia, pain and fatigability, using a variety of interventions that include gradual progressive resisted exercise starting from isometrics, aerobic exercise, manual therapy, taping, education, and empathy. Additionally, they highlighted the need for pelvic floor interventions as prolapse and incontinence can be concerns for individuals with EDS and HSD.

References:

Signorino JA, Bikkers SJ, Divine K. An Evidenced-Based Clinical Commentary for Treating Patients with Hypermobile Ehlers-Danlos Syndrome or a Hypermobility Spectrum Disorder. Orthopaedic Physical Therapy Practice. 2023;35(3):28-36. Accessed July 16, 2024. https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=164775891&site=eds-live

Systematic review of distal biceps tendon rupture in athletes: treatment and rehabilitation

Reviewed by Tyler Tice, PT, DPT, OCS, ATC

Introduction: 

Distal biceps tendon rupture is an injury resulting in the complete tearing of the distal biceps tendon.  The mechanism of biceps tendon rupture often involves a forceful eccentric contraction of the bicep.  Though rare, treatment for distal biceps tendon rupture is usually surgical, as non-operative treatment generally results in a loss of functional strength with elbow flexion and radioulnar supination. 

          Bicep tendon repair surgeries have two common approaches: single incision and double incision.  There are multiple factors influencing a patient’s surgical approach such as mechanism of injury and surgeon preference. 

          Athletes who sustain a distal biceps tendon rupture are generally younger and more active than the average patient population that receives this surgery and they usually require more intensive rehabilitation to reach their prior level of function and return to sport. 

          The purpose of this article was to assess multiple rehabilitation approaches to compare their effectiveness in functional outcomes and return to sport. 

Methods: 

This systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines.  The search was performed using the MEDLINE, Cochrane, Web of Science and Scopus databases for articles referring to treatment and rehabilitation of distal biceps tendon rupture in athletes. 

          The initial search yielded 1254 results.  Those results were then scanned for duplicates, accessibility and exclusion criteria, leaving 10 articles that were ultimately included in this review. 

Results: 

This systematic review demonstrated that the return to sport rate of athletes following distal biceps tendon rupture was 97.5%, interestingly this figure as well as the recovery time seem to be independent of postoperative immobilization times and strengthening protocols used.  Although return to work is expected in 3-4 months, return to sport time for athletes ranged from 7-15 months.  The authors attributed this to the increased demands that athletes place on their biceps. 

          Although there is no consensus on optimal rehabilitation or strengthening protocols, most studies focused on early mobilization followed by a graded strengthening protocol.  Most of the rehabilitation protocols featured in these studies included a 2-week post-operative period of immobilization with strengthening exercises beginning at the fourth post-operative week.  No differences in return to sport time were noted between differing rehabilitation protocols. 

Discussion/Clinical Utility: 

This systematic review is useful because it allows us to look at a collection of the current best evidence regarding the rehabilitation of distal biceps tendon rupture.  Though there was no noted difference in recovery times between different rehabilitation protocols, it is important to note that there are similarities in the overall course of treatment for this type of pathology. 

          Based on the evidence presented, it is important to start with a short period of immobilization to allow the injured tissue to begin healing.  After this, the next stage in the rehabilitation process is to regain range of motion in the affected arm.  Next at around 4-weeks post-surgery, strengthening of the injured muscle can begin.  Although this doesn’t give any specific recommendations in terms of a strengthening or stretching protocol, it does provide a basic timeline and methodology to guide treatment for athletes who are hoping to return to sport. Due to the variable nature of human anatomy and recovery times in the population, specific protocols can have limited utility in the clinic.  It is instead preferable to allow basic concepts paired with continual assessment of a patient’s progress and pain state to guide the course of rehabilitation. 

          One of the limitations of this study is that it focused specifically on athletes, a relatively small portion of the population.  Though the data cannot be blindly generalized to the entire population, this is still useful data because the overall course of treatment is likely to remain mostly unchanged.  The main difference in the athletic population is the higher level of function that is required to get back to.  Keeping this in mind, a non-athletic member of the population without comorbidities is likely to actually have a faster recovery due to the lower demands that will be placed on their bicep muscles. 

References

Pitsilos, C., Gigis, I., Chitas, K., Papadopoulos, P., & Ditsios, K. (2022). Systematic review of distal biceps tendon rupture in athletes: Treatment and Rehabilitation. Journal of Shoulder and Elbow Surgery, 31(8), 1763–1772. https://doi.org/10.1016/j.jse.2022.02.027