NON-INJURIOUS AND INJURIOUS IMPACT RESPONSE OF THE HUMAN SHOULDER THREE-DIMENSIONAL ANALYSIS OF KINEMATICS AND DETERMINATION OF INJURY THRESHOLD

Seven human beings were subjected, post mortem, to three low velocity impacts (v=1.5 m/s) to the right shoulder at three different angles in the horizontal plane (- 15 degrees, 0 degrees, and +15 degrees). Next, the left shoulder was subjected to a high velocity purely lateral impact (v=3, 4, 6 m/s). Thoracic and shoulder bone structures were instrumented with photographic markers and tri-axial accelerometers, whose trajectories were tracked in 3D by seven high-speed cameras. Several shoulder deflections and impact forces were analyzed with respect to each subject's injury survey to find the most relevant parameters for injury prediction. Acromion-to-sternum deflection peak values were predictive of a clavicle fracture, but were not closely linked to other fracture types, for which acromion-to-acromion deflection turned out to be a better predictor.

Language

  • English

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Filing Info

  • Accession Number: 00988804
  • Record Type: Publication
  • ISBN: 0768014468
  • Report/Paper Numbers: 2004-22-0005
  • Files: TRIS
  • Created Date: Apr 10 2005 12:00AM