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    Immediate effects of high-velocity thrust to the cervical spine on pressure pain threshold and pain-free grip strength in subjects with lateral epicondylalgia

    Treacher, Alastair

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    Alastair Treacher MOst.pdf (1.448Mb)
    Date
    2011
    Citation:
    Treacher, A. (2011). Immediate effects of high-velocity thrust to the cervical spine on pressure pain threshold and pain-free grip strength in subjects with lateral epicondylalgia. (Unpublished document submitted in partial fulfilment of the requirements for the degree of Master of Osteopathy). Unitec Institute of Technology, Auckland, New Zealand. Retrieved from https://hdl.handle.net/10652/1611
    Permanent link to Research Bank record:
    https://hdl.handle.net/10652/1611
    Abstract
    Background and objective: To measure the immediate effect of a High-Velocity Low-Amplitude (HVLA) manipulation targeting the C5/6 vertebral segment on pain intensity in subjects with Lateral Epicondylalgia (LE). Design: Randomised assessor blinded controlled experiment. Methods: Ten subjects (7 male, 3 female; mean age= 37.7, SD=10.8) with unilateral elbow pain participated in this study. Prior to enrolment subjects were screened to establish the presence of LE. Pain-Free Grip Strength (PFGS) and Pressure Pain Threshold (PPT) at the lateral epicondyle were measured for both arms prior to and immediately following the application of either High-Velocity Low-Amplitude thrust targeting the C5/6 vertebral segment or the control condition. Results: The intervention group demonstrated an increase in mean Pain-Free Grip strength (37.9 ± 19.2N) following a High-Velocity Low-Amplitude manipulation (p=0.03, d=0.32) compared to a decrease in Pain-Free Grip Strength (25.6 ± 24.2N, p= 0.13) observed in the control group. The increase in Pain-Free Grip Strength observed in the intervention group exceeded the a priori Smallest Detectable Difference (14N). Neither the control or intervention group demonstrated substantial within group or between group change in mean Pressure Pain Threshold (control: p=0.59, 1.4 N/cm2; intervention: p=0.3, 3.3 N/cm2; between group: p=0.08, 8.8 N/cm2) following the intervention. Conclusion: High-Velocity Low-Amplitude thrust targeting the C5/6 vertebral segment can lead to a moderate increase in pain free grip strength in subjects with Lateral Epicondylitis. The change observed in PFGS following HVLA also indicates that further work exploring the proposed cervical component of LE is justified.
    Keywords:
    High-Velocity Low-Amplitude manipulation, HVLA manipulation, Lateral Epicondylalgia
    ANZSRC Field of Research:
    110499 Complementary and Alternative Medicine not elsewhere classified
    Degree:
    Master of Osteopathy
    Supervisors:
    Hilton, Craig; Moran, Robert
    Rights:
    This digital work is protected by copyright. It may be consulted by you, provided you comply with the provisions of the Act and the following conditions of use: Any use you make of these documents or images must be for research or private study purposes only, and you may not make them available to any other person. You will recognise the author's and publishers rights and give due acknowledgement where appropriate.
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