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Faculty of Health Sciences

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Author: search.filters.author.Docrat, Aadil

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    Immediate effects of cervical spine manipulation compared with muscle energy technique on neck muscle activity and range of motion in asymptomatic participants : a randomized study
    (Elsevier BV, 2022-07) King, Sasha Lee; Docrat, Aadil; Abdul-Rasheed, Ashura
    Objective: The purpose of this study was to investigate the immediate effects of cervical spine manipulation (SM) compared with muscle energy technique (MET) on neck muscle activity and range of motion in asymptomatic people. Methods: A randomized parallel-group study was conducted at a chiropractic teaching clinic in Durban, South Africa. Fifty asymptomatic participants between 18 and 35 years of age were randomly assigned into group 1 or group 2. Group 1 received cervical SM, and group 2 received MET. Participants were blinded to group allocation only. Baseline and post-test measurements consisted of resting upper trapezius and posterior cervical muscle activity and cervical spine range of motion (ROM) in lateral flexion and extension. Results: A significant difference was found in cervical ROM within groups (P < .001), with no significant difference observed between the 2 groups. The right posterior cervical muscles showed a significant difference in group 1 only (P = .012). No significant muscle activity changes occurred in group 2. Resting muscle activity measures showed no statistically significant changes between groups. Conclusion: A single application of SM and MET to the cervical spine immediately increased cervical ROM. Neither cervical SM nor MET changed resting posterior cervical and upper trapezius muscle activity.
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    Motion palpation used as a postmanipulation assessment tool for monitoring end-feel improvement : a randomized controlled trial of test responsiveness
    (Elsevier BV, 2009-09) Lakhani, Ekta; Nook, Brian; Haas, Mitchell; Docrat, Aadil
    A tenet of motion palpation theory is the ability to confirm postadjustive segmental end-feel improvement (EFI). Only one previous trial has evaluated the responsiveness of EFI; this was a study of the thoracic spine. The purpose of this study was to evaluate the responsiveness of postadjustive end-feel for evaluating improvement in putative segmental spinal motion restriction after spinal manipulative therapy (SMT) of the cervical spine.

    Methods

    A prospective, blinded, randomized placebo-controlled pilot trial was conducted with 20 symptomatic and 10 asymptomatic participants recruited from a chiropractic teaching clinic. The treatment group received SMT, and the control group received placebo detuned ultrasound. Responsiveness was evaluated as the etiologic fraction (% of cases with EFI attributable to SMT) and as the sensitivity and specificity of change.

    Results

    For the entire sample, the etiologic fraction was 63% (P = .002), sensitivity was 93%, and specificity was 67%. For symptomatic participants, a strong relationship appeared to exist between receiving SMT and EFI (etiologic fraction = 78%, P = .006; sensitivity = 90%; specificity = 80%). A strong relationship was not found for asymptomatic participants (etiologic fraction = 40%, P = .444; sensitivity = 100%; specificity = 40%), where EFI was recorded frequently, whether participants received SMT or detuned ultrasound.

    Conclusion

    The findings of this study showed that motion palpation of end-feel assessment appears to be a responsive postmanipulation assessment tool in the cervical spine for determining whether perceived motion restriction found before treatment improves after SMT. This observation may be limited to symptomatic participants.