Effects of Painful Compared to Painless Manual Therapy on Pain Processing in University Students With Neck Pain

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

38 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-01-11

Study Completion Date

2023-02-21

Brief Summary

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The purpose of this study is to evaluate the effects of provoking pain with manual therapy on pain processing in university students with recurrent or chronic neck pain.

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Detailed Description

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The mechanical stimulus produced in manual therapy (MT) techniques elicits neurophysiological responses within the peripheral and central nervous system responsible for pain inhibition. Almost all types of MT elicit a neurophysiological response that is associated with the descending pain modulation circuit. But it has not been demonstrated whether this inhibition occurs through a conditioned pain modulation mechanism generated by the pain that manual therapy techniques may elicit in the patient.

Conditions

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Neck Pain

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Painful Manual Therapy

Manual therapy treatment shall be carried out at a high intensity that causes pain to the patient. The aim is to provoke a medium intensity pain to the patient of 5/10 in the NRS. The physiotherapist will ask every 30 seconds the pain provoked by the treatment with the numeric rating scale (NRS) and the patient will give continuous feedback. Based on this, the physiotherapist will adapt the intensity of the treatment to provoke a medium intensity pain.

Group Type EXPERIMENTAL

Manual Therapy

Intervention Type OTHER

* Postero-anterior mobilizations: the physiotherapist will place his thumbs on the posterior surface of the spinous process of the vertebra previously assessed as the most painful to mobilise. The oscillations will be performed at the frequency of 1 oscillation per second and will be performed 3 series of 3 minutes, with a 1 minute rest interval.
* Pressure: The point of greatest pain shall be treated by maintained pressure in each of the following areas: right upper trapezius, left upper trapezius, right paravertebral musculature and left paravertebral musculature. Pressure shall be applied to each of the points for 1 minute.
* Massage: Pressure is applied to the muscles by sliding along the muscle belly. This will be done slowly to control the pain that is being provoked. 3 minutes will be carried out on each upper trapezius, sliding from the acromion to the occipital and another 3 minutes on the paravertebral musculature on each side, sliding from T1 to the occipital.

Painless Manual Therapy

Manual therapy treatment shall be performed at a low intensity that does not cause pain to the patient. The aim is for the patient to report a pain intensity of 0/10 in NRS throughout treatment. The physiotherapist will ask every 30 seconds the pain provoked by the treatment with NRS and the patient will give continuous feedback. Based on this, the physiotherapist will adapt the intensity of the treatment to be performed below the pain threshold.

Group Type ACTIVE_COMPARATOR

Manual Therapy

Intervention Type OTHER

* Postero-anterior mobilizations: the physiotherapist will place his thumbs on the posterior surface of the spinous process of the vertebra previously assessed as the most painful to mobilise. The oscillations will be performed at the frequency of 1 oscillation per second and will be performed 3 series of 3 minutes, with a 1 minute rest interval.
* Pressure: The point of greatest pain shall be treated by maintained pressure in each of the following areas: right upper trapezius, left upper trapezius, right paravertebral musculature and left paravertebral musculature. Pressure shall be applied to each of the points for 1 minute.
* Massage: Pressure is applied to the muscles by sliding along the muscle belly. This will be done slowly to control the pain that is being provoked. 3 minutes will be carried out on each upper trapezius, sliding from the acromion to the occipital and another 3 minutes on the paravertebral musculature on each side, sliding from T1 to the occipital.

Interventions

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Manual Therapy

* Postero-anterior mobilizations: the physiotherapist will place his thumbs on the posterior surface of the spinous process of the vertebra previously assessed as the most painful to mobilise. The oscillations will be performed at the frequency of 1 oscillation per second and will be performed 3 series of 3 minutes, with a 1 minute rest interval.
* Pressure: The point of greatest pain shall be treated by maintained pressure in each of the following areas: right upper trapezius, left upper trapezius, right paravertebral musculature and left paravertebral musculature. Pressure shall be applied to each of the points for 1 minute.
* Massage: Pressure is applied to the muscles by sliding along the muscle belly. This will be done slowly to control the pain that is being provoked. 3 minutes will be carried out on each upper trapezius, sliding from the acromion to the occipital and another 3 minutes on the paravertebral musculature on each side, sliding from T1 to the occipital.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* University students
* Chronic neck pain (persistent pain \> 3 months almost every day of the week) or recurrent neck pain (repeated episodes of neck pain starting \> 3 months ago with pain-free periods)
* Non-specific neck pain (pain in the neck region that is not attributable to a known specific such as herniated disc, myelopathy, fractures, spinal stenosis, neoplasm etc. nor is it associated with traumatic causes such as whiplash)
* Mean NRS score the last week \> 2/10 and presence of pain on the day of assesment and treatment

Exclusion Criteria

* Signs of radiculopathy or neuropathic pain
* Neck surgeries
* Inflammatory rheumatic
* Neurological, cardiorespiratory, oncological or psychiatric disease
* Pregnancy
* Not being able to read Spanish in order to fill in the questionnaires

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No