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Updated: Jun 4, 2026

A Novel Vertebral Stabilization Method for Producing Contusive Spinal Cord Injury
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Published on: January 5, 2015

Effectiveness of cervical spine stabilization techniques.

Patrick Boissy1, Ian Shrier, Simon Brière

  • 1Department of Surgery, School of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, Quebec, Canada.

Clinical Journal of Sport Medicine : Official Journal of the Canadian Academy of Sport Medicine
|March 2, 2011
PubMed
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The head squeeze (HS) technique is worse than the trap squeeze (TS) for minimizing C-spine motion in agitated patients. For cooperative patients, both techniques are similar, but lift-and-slide is better than log-roll.

Area of Science:

  • Emergency medicine
  • Trauma care
  • Biomechanical analysis

Background:

  • C-spine stabilization is crucial in trauma care.
  • Head squeeze (HS) and trap squeeze (TS) are common techniques.
  • Quantifying head motion during these techniques is important for patient safety.

Purpose of the Study:

  • To compare head motions during HS and TS C-spine stabilization.
  • To evaluate techniques in different patient cooperation and movement scenarios.

Main Methods:

  • Cross-over design with 12 experienced rescuers.
  • Inertial measurement units measured peak head motion.
  • Compared HS and TS during lift-and-slide (L&S) and log-roll (LR) on a spinal board.
  • Tested scenarios included agitated patients attempting to sit up (AGIT-Sit) or rotate their head (AGIT-Rot).

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Main Results:

  • L&S technique was superior to LR for minimizing motion.
  • HS was significantly worse than TS in AGIT-Sit and AGIT-Rot scenarios, exceeding minimal important difference (MID) for multiple motion types.
  • HS showed greater intertrial variability than TS in agitated patients.

Conclusions:

  • Lift-and-slide (L&S) is preferred over log-roll (LR) for minimizing C-spine motion.
  • Head squeeze (HS) and trap squeeze (TS) show minimal differences in cooperative patients.
  • Trap squeeze (TS) is superior to head squeeze (HS) in agitated patients for C-spine motion control.