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Forces exerted during spinal manipulative therapy

W Herzog1, P J Conway, G N Kawchuk

  • 1Human Performance Laboratory, Faculty of Physical Education, University of Calgary, Alberta, Canada.

Spine
|July 1, 1993
PubMed
Summary
This summary is machine-generated.

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This study measured forces during spinal manipulative therapy (SMT). SMT on the cervical spine involves lower forces than on the thoracic spine or sacroiliac joint.

Area of Science:

  • Orthopedics
  • Physical Therapy
  • Biomedical Engineering

Background:

  • Spinal manipulative therapy (SMT) is a recognized conservative treatment for spinal pain and dysfunction.
  • SMT involves applying a directed thrusting force to the spine.
  • The magnitude of SMT force is linked to therapeutic effects, but direct clinical measurements are lacking.

Purpose of the Study:

  • To quantify the forces exerted on patients during SMT across different spinal regions.
  • To establish baseline force data for clinical SMT applications.

Main Methods:

  • Utilized a thin, flexible pressure mat for force measurement.
  • Measurements were taken during SMT procedures on cervical, thoracic, and sacroiliac regions.
  • Recorded both peak and preload forces.

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Main Results:

  • Peak and preload forces were significantly lower for cervical spine SMT compared to thoracic spine and sacroiliac joint SMT.
  • A significant correlation between preload and peak forces was observed for thoracic spine and sacroiliac joint treatments.

Conclusions:

  • Force application varies considerably across different spinal regions during SMT.
  • This data provides crucial objective measures for SMT, aiding in standardization and understanding treatment mechanics.