The purpose of this clinical trial is to compare the use of thrust manipulation to non-thrust mobilizations for mechanical neck pain when they are applied to both the cervical and thoracic spine. Both of these techniques have been compared in previous trials but a pragmatic approach will be employed as well as controlling for clinical equipoise.
A total sample size of 136 subjects with mechanical neck pain will be recruited to participant in this trial from multiple clinic and university sites around the country. Each subject will be evaluated by a licensed physical therapist that specializes in orthopedic manual therapy (OMT). Each treating therapist will be blinded be the data collection and each data collection therapist will be blinded to the treatment allocation. Subjects data will be collected at the initial visit, second visit, and at discharge. The maximum number of weeks that a subject may be enrolled is 8 weeks (2 months). At that point, they are discharged from the study. The treating therapist will allocate the subject through the already completed randomization procedures. Once the subject is randomized, the treating therapist will perform the OMT based on their clinical reasoning and in a manner they feel would benefit the patient the most. In addition to the OMT, each subject will receive a home exercise program, advice, encouragement, and education. A number of outcome variables will be collected regarded pain and disability as well as one physical performance measure.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
136
A standardized home exercise program will be given to subjects that will include active range of motion of the cervical and thoracic spine and deep cervical flexion endurance exercises.
Therapists will provide each subject with advice and education pertaining to their condition as well as encouragement towards reducing pain and disability.
High velocity low amplitude (HVLA) thrust performed at or near the end range of a targeted segment in both the cervical and thoracic spine
Youngstown state university
Youngstown, Ohio, United States
RECRUITINGChange from baseline on the Neck Disability Index (NDI)
The NDI is a self-report measure of perceived disability and it is comprised of ten questions using an ordinal scale from 0 to 5 for a maximum of 50 points. The score is doubled to achieve a % score. The higher an individual scores on the NDI, the greater their perceived level of disability.
Time frame: 3 days and 8 weeks
Change from baseline on The Patient Specific Functional Scale (PSFS)
The PSFS is a patient identified self-report questionnaire that measures general activity limitations. The scale ranges from 0 (unable to perform) to 10 (able to perform the activity at the level prior to injury). The patient reports three activities that are limited due to the current injury and an average rating for all three activities is calculated.
Time frame: 3 days and 8 weeks
Change from baseline on The Numerical Pain Rating Scale (NPRS)
The NPRS is an 11-point scale ranging from 0 (no pain) to 10 (worst imaginable pain). Two separate pain ratings will be collected (current and average over a 24 hour period) experienced over 24 hours and then averaged for a composite score.
Time frame: 3 days and 8 weeks
Change from baseline on The Global Rating Of Change Scale (GROC)
The GROC is a 15-point scale used to quantify a patient's improvement with treatment or to record the clinical course of a condition over time. Patients are asked to describe their overall condition since the start of treatment until the present time with options ranging from -7 ("a very great deal worse") to +7 ("a very great deal better") and 0 being described as "about the same."
Time frame: 3 days and 8 weeks
Change from baseline on the Deep Cervical Flexion Endurance (DCF)
Patients are positioned in supine and will be instructed to maximally tuck his/her chin isometrically. Patients will then be instructed to lift their head 2.5 cm off the plinth and to maintain upper cervical flexion simultaneously for as long as they were able. A skin fold along the antero-lateral neck will be monitored and the investigator's hand will remain under the occiput of the patient for tactile cueing. The timing of the position began once the patient is in the correct position and stopped if; the patient's head drops into the fingers of the clinician, is elevated greater than one inch, the patient loses the skin fold on the antero-lateral neck, or the patient is unable to continue.
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Repetitive and rhythmic accessory passive movements applied with either small or large amplitude at a targeted segment to both the cervical and thoracic spine
Time frame: 3 days and 8 weeks