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      Effect of Pressure biofeedback training on deep cervical flexors endurance in patients with mechanical neck pain: A randomized controlled trial

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          Abstract

          Objective:

          To compare the effects of Cranio cervical flexion training with and without pressure biofeedback on deep cervical muscular endurance in patients with mechanical chronic neck pain.

          Methods:

          A randomized control trial was conducted at Railway General Hospital Rawalpindi, from May to December 2019. It consisted of thirty participants with the age ranging from 25 to 40 years, and having chronic mechanical neck pain. The participants were randomly allocated into two groups Group-A received Craniocervical flexion training with pressure biofeedback and Group-B received Craniocervical flexion training without pressure biofeedback. The intervention was applied for four weeks (3 sessions per week). Assessments were taken at Pre, Post intervention and after six weeks of follow up. Data analysis was done using SPSS-21 version.

          Results:

          The mean age of Group-A and Group-B was 29.40±3.08 and 31.33±4.95 respectively. Between-group analyses has shown statistically and clinically significant improvement in Group-A regarding deep neck muscles endurance (p<0.05). Whereas within group analysis of both groups A & B showed a statistical and clinically significant difference (p=0.00) for deep neck muscles endurance.

          Conclusions:

          Cranio-cervical flexion training with Pressure Biofeedback has proven to be more effective in improving endurance of deep cervical flexors in patients with mechanical neck pain.

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          Most cited references24

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          Chronic pain as a symptom or a disease

          Chronic pain is a major source of suffering. It interferes with daily functioning and often is accompanied by distress. Yet, in the International Classification of Diseases, chronic pain diagnoses are not represented systematically. The lack of appropriate codes renders accurate epidemiological investigations difficult and impedes health policy decisions regarding chronic pain such as adequate financing of access to multimodal pain management. In cooperation with the WHO, an IASP Working Group has developed a classification system that is applicable in a wide range of contexts, including pain medicine, primary care, and low-resource environments. Chronic pain is defined as pain that persists or recurs for more than 3 months. In chronic pain syndromes, pain can be the sole or a leading complaint and requires special treatment and care. In conditions such as fibromyalgia or nonspecific low-back pain, chronic pain may be conceived as a disease in its own right; in our proposal, we call this subgroup "chronic primary pain." In 6 other subgroups, pain is secondary to an underlying disease: chronic cancer-related pain, chronic neuropathic pain, chronic secondary visceral pain, chronic posttraumatic and postsurgical pain, chronic secondary headache and orofacial pain, and chronic secondary musculoskeletal pain. These conditions are summarized as "chronic secondary pain" where pain may at least initially be conceived as a symptom. Implementation of these codes in the upcoming 11th edition of International Classification of Diseases will lead to improved classification and diagnostic coding, thereby advancing the recognition of chronic pain as a health condition in its own right.
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            Reliability of a measurement of neck flexor muscle endurance.

            Neck flexor muscle endurance has been negatively correlated with cervical pain and dysfunction. The purposes of this study were to determine rater reliability in subjects both with and without neck pain and to determine whether there was a difference in neck flexor muscle endurance between the 2 groups. Forty-one subjects with and without neck pain were enrolled in this repeated-measures reliability study. Two raters used an isometric neck retraction test to assess neck flexor muscle endurance for all subjects during an initial session, and subjects without neck pain returned for testing 1 week later. For the group without neck pain, intrarater reliability was good to excellent (intraclass correlation coefficient [ICC(3,1)]=.82-.91), and interrater reliability was moderate to good (ICC[2,1]=.67-.78). The associated standard error of measurement (SEM) ranged from 8.0 to 11.0 seconds and from 12.6 to 15.3 seconds, respectively. For the group with neck pain, interrater reliability was moderate (ICC[2,1]=.67, SEM=11.5). Neck flexor muscle endurance test results for the group without neck pain (mean=38.95 seconds, SD=26.4) and the group with neck pain (mean=24.1 seconds, SD=12.8) were significantly different. Reliability coefficients differed between the 2 groups and ranged from moderate to excellent and improved after the first test session. The interrater reliability of data obtained with the neck flexor muscle endurance test in people with neck pain must be improved in order for clinicians to distinguish a clinically meaningful change from measurement error. Neck flexor muscle endurance was both statistically and clinically greater for subjects without neck pain than for those with neck pain.
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              Effect of manual therapy and stretching on neck muscle strength and mobility in chronic neck pain.

              To study the effect of manual therapy and stretching on neck function in women with chronic neck pain. A total of 125 women were randomized into 2 groups. Group 1 received manual therapy twice a week for 4 weeks followed by stretching exercises. Group 2 performed stretching 5 times a week for 4 weeks followed by manual therapy. Neck function was assessed by isometric neck strength and mobility measurements, and spontaneous neck pain during the past week and strain-evoked pain during the neck strength trials using a visual analogue scale. Both neck muscle strength (11-14%) and mobility (7-15%) improved similarly in both groups, with the exception of greater passive flexion-extension mobility (p = 0.019) in group 1 at week 4. Pain during the neck strength trials decreased from the baseline to week 4 by 26-35% and to week 12 by 39-61% similarly in both groups. Average neck pain during the past week decreased by 64% and 53% in groups 1 and 2, respectively, during the first 4 weeks, remaining rather stable thereafter. The decreases in neck pain during both the past week and strength trials showed association with the changes in neck strength results (r = 0.20-0.29). Both manual therapy and stretching were effective short-term treatments for reducing both spontaneous and strain-evoked pain in patients with chronic neck pain. It is possible that the decrease in pain reduced inhibition of the motor system and in part improved neck function. However, the changes in neck muscle strength were minor, showing that these treatments alone are not effective in improving muscle strength.
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                Author and article information

                Journal
                Pak J Med Sci
                Pak J Med Sci
                Pakistan Journal of Medical Sciences
                Professional Medical Publications (Pakistan )
                1682-024X
                1681-715X
                Mar-Apr 2021
                : 37
                : 2
                : 550-555
                Affiliations
                [1 ]Dr. Rabia Ashfaq, DPT, MS (OMPT). Physical Therapist, Department of Rehabilitation sciences, Riphah International University, Rawalpindi, Pakistan
                [2 ]Huma Riaz, PHD*(Rehab Sciences), PP-DPT, PGD (PE&TM), Bs.PT Associate Professor/ Head of Department DPT, Riphah College of Rehabilitation & Allied Health Sciences, Islamabad, Pakistan
                Author notes
                Correspondence: Dr. Rabia Ashfaq. Physical Therapist, Department of Rehabilitation sciences, Riphah International University, Rawalpindi, Pakistan. E-mail: rabia.ashfaq.8@ 123456gmail.com
                Article
                PJMS-37-550
                10.12669/pjms.37.2.2343
                7931293
                8c8c84dd-2a12-4232-9ec5-e0c1f4742509
                Copyright: © Pakistan Journal of Medical Sciences

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 08 February 2020
                : 03 August 2020
                : 03 November 2020
                : 12 November 2020
                Categories
                Original Article

                mechanical neck pain,craniocervical flexion training,deep cervical flexors,pressure biofeedback,endurance

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