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Method and device for evaluating the balance forces of the skeleton

  • US 20040228510A1
  • Filed: 06/25/2004
  • Published: 11/18/2004
  • Est. Priority Date: 12/28/2001
  • Status: Active Grant
First Claim
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1. A method for evaluating the balance forces of a skeleton within a subject'"'"'s body, comprising:

  • a) producing a radiographic image of the skeleton, the skeleton having segments articulated to one another, taken in a plane generally perpendicular to the rotation axes of the articulations of the skeleton, b) simultaneously determining the position of the overall axis of gravity (5) of the subject'"'"'s body on the radiographic image, c) selecting the skeleton segments articulated to one another on the radiographic image, identifying their positions and those of the articulations, and assigning the weight of the subject'"'"'s body segment corresponding to each skeleton segment, d) identifying the directions and anchoring points on the radiographic image of the main tensor muscles balancing the subject'"'"'s skeleton, and e) determining the intensity of a restoring force exerted by the main tensor muscles by calculation, wherein the restoring force compensates for the rotational moment of the force of gravity applied to each skeleton segment about the lower articulation of said skeleton segment.

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